US3678543A - Controlled personal descent device - Google Patents

Controlled personal descent device Download PDF

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US3678543A
US3678543A US39078A US3678543DA US3678543A US 3678543 A US3678543 A US 3678543A US 39078 A US39078 A US 39078A US 3678543D A US3678543D A US 3678543DA US 3678543 A US3678543 A US 3678543A
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base
line
side member
rope
spaced
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US39078A
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Edwin L Hobbs
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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/02—Devices for lowering persons from buildings or the like by making use of rescue cages, bags, or the like
    • A62B1/04—Single parts, e.g. fastening devices
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B29/00—Apparatus for mountaineering
    • A63B29/02—Mountain guy-ropes or accessories, e.g. avalanche ropes; Means for indicating the location of accidentally buried, e.g. snow-buried, persons
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/34—Combined diverse multipart fasteners
    • Y10T24/3484—Hook
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/39—Cord and rope holders
    • Y10T24/3916—One-piece
    • Y10T24/3924—Sheet material
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/45—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock]
    • Y10T24/45225—Separable-fastener or required component thereof [e.g., projection and cavity to complete interlock] including member having distinct formations and mating member selectively interlocking therewith
    • Y10T24/45272—Projection passes through cavity then moves toward noninserted portion of its member to complete interlock [e.g., snap hook]
    • Y10T24/45288—Hook type projection member
    • Y10T24/45304—Noninserted portion of projection member includes movably connected gate for closing access throat
    • Y10T24/45382—Track or way guided gate

Definitions

  • ABSTRACT [51 1 Int. Cl. ..G0ln 31/00
  • the classic rescue hook for which this invention offers an improvement is known as the Atlas Pompier Hook.”
  • the Atlas hook is in the form of a closed loop with a spring gate.
  • the Atlas hook permits controlled descents down a rope but complete stops can only be made by tying the rope to another device or around the person.
  • the gist of the invention is the provision of an article which has a post about which a loop of rope can be taken to completely stop the descent of a person for a selected period of time so that he can have both hands free, yet resume the descending mode quickly and easily.
  • An object of the present device is to permit a person to rappel down a stationary single, or double rope from which he is suspended with ease, comfort and complete control.
  • a further object of the present device is to permit a person to make a complete stop and by merely making a simple loop in the rope about a portion of the device permit the maintenance of a stationary elevation with both hands free to carry out work assignments.
  • a further object is to provide a device permitting various ways in which a rope may be wound about it to permit various speeds of descent.
  • Still another object of the device is to permit a ground stationed person to control the descent of the person or object by applying tension to the lower end of the rope.
  • a still further object is to secure a person or object to a ladder rung or other fitting used by high riggers, fire fighters and others.
  • Another object is to provide a hook which can be used with a brake bar so that the hook can be used with double or single ropes.
  • Still another object is to provide a device in which descent can be accomplished only by feeding the rope into the device thereby enabling very controlled slow descents.
  • Another object is to provide a sturdy, completely safe device which has universal use by firemen, painters, steel workers, window washers, tree workers mountainclimbers, spelunkers, shipworkers and all other construction and rescue personnel who must work in high places.
  • FIG. I is a side view showing one embodiment of the invention.
  • FIG. 2 is a sideview of the device shown in FIG. I with a brake bar shown in phantom line.
  • FIG. 3 is a front view of the device shown in FIG. 2 with the brake bar shown in phantom line.
  • FIG. 4 is a perspective view of the device shown in FIG. 9.
  • FIG. 5 is a side view of a brake bar used in connection with the invention
  • FIG. 6 is a top view of the bar shown in FIG. 5.
  • FIG. 7 is an end view of the bar shown in FIGS. 5 and 6.
  • FIG. 8 is a side view of an alternate form of the present invention shown with one possible rope configuration.
  • FIG. 9 is a side view of the alternate form shown in FIG. with the brake bar of FIGS. 57. 7
  • FIG. 10 is a side view of the invention shown in FIG. 9 with the rope removed and showing the brake bar of FIGS. 5-7 in phantom line.
  • the rescue hook of the present invention consists briefly of an integral generally C-shaped member having a base portion 2 formed with an enclosed opening 3, an elongated side 4 joined to the base, a post member 6 joined to the base and separated from the side member, a hook shaped portion 7 joined to the side and separated from the post end I l forming an open passage therebetween indicated by arrow 8; the side member being separated from the post member a distance permitting a rope 9 to be wound about the side member and a turn about the post.
  • the hook is preferably made from a light metal such as aluminum or magnesium. All surfaces of the metal should be rounded to avoid cutting the rope.
  • the hook is most inexpensively made with all parts in the same plane but variations could be made with the parts at an angle.
  • the device It is essential that the device have a hook end which curves inwardly in the direction of the side member to prevent the rope from accidentally coming off the device.
  • the end I2 of the hook must be spaced a sufiicient distance from the side of the device to permit at least one turn of rope on the side.
  • the end of the hook should extend below the inside edge 13 of the hook at least 2 or 3 rope diameters of the rope being used.
  • the end of the post is preferably extended inwardly.
  • An alternate form of the invention consists of the device described above and with a brake bar shown in FIGS. 5. 6, 7. and 9.
  • the brake bar is used for controlled descents with two ropes or a single rope doubled.
  • the brake bar defines a closed loop dimensioned to encircle the side member and post.
  • An end 16 spans the passage formed by the post end and the hook portion.
  • the bar consists of sides 17 and I8 and end I9.
  • the brake bar fits over either form of the invention as shown in phantom lines in FIGS. 2, 3 and 10.
  • FIG. 1 another alternate form of the invention is shown consisting of a base 2', an enclosed opening 3,side 4', inside edge 13', hook 7', hook end 12' post. end 11' and post 6'.
  • a cross member 26 spaced from the base, an enlarged opening 21 is formed in the base.
  • the rope In use, the rope is wound about the side as shown in FIG. 1. The end of the rope is held in one hand and permitted to slide therethrough. If it is desired to make a stop, the rope can be looped around the post as seen in FIG. 1.
  • FIG. 2 shows a form of the hook in which even greater safety is obtained in stopping descent completely so that a person can work with both hands.
  • An enlarged opening 21 is formed in the base by providing cross member 26' spaced from the base. The rope is first looped through the enlarged opening and then placed around the post.
  • FIG. 9 shows a double rope fed through the hook and over the brake bar. This version permits the use of the hook where use of a double rope is desired.
  • Use of the brake bar is shown in FIG. 4 in which the hook is attached to a harness 23 by means of a ring 24 which is attached tothe enclosed opening in the base of the hook.
  • the rope may be wound about the hook in various ways depending upon the speed of descent required.
  • the drawings are illustrative of a few of the different rope configurations.
  • a controlled personal descent assembly comprising:
  • a base member having an eyelet opening therein;
  • a ring dimensioned for releasable connection to said base member through said eyelet opening and adapted for connection to a belt or harness worn by a person using said assembly for descending;
  • a first elongated side member connected to said base and extending longitudinally therefrom in a substantially straight line a distance approximating a plurality of diameters of the line;
  • a second elongated side member having a length less than said first side connected to said base and spaced from said first side member a distance of at least two diameters of said flexible line and extending in substantially the same plane as said base and first side member and terminating in a stub post;
  • a cross member spaced from said base and joining said first and second sides and thereby fonning a first enclosed opening having an area several times greater than the area of a line adapted to be received therethrough;
  • the distal end of said post is formed with an inwardly extending portion.

Abstract

A device for use with a rope to lower persons or objects in a controlled descent down a rope at various speeds or even a complete stop, consisting of a metal article having an elongated member upon which the rope is wound several turns and an open passage located above a post upon which a portion of the rope may be looped. The device having an enclosed opening for attachment to a harness or other fitting.

Description

United States Patent Hobbs 1 1 July 25, 1972 [54] CONTROLLED PERSONAL DESCENT 3,353,232 11/1967 Brownson ..24/129 DEVICE FOREIGN PATENTS OR. APPLICATIONS [721 Sar gg'g Lance 9,715 4/1906 Great Britain ..24/73 8 8,350 7 9/1896 Sweden 188/614 [22] Filed: May 20, 1970 Primary Examiner-Bobby R. Gay [21] Appl' 39078 Assistant Examiner-Garry Moore Attorney-Milmore & Cypher [52] [1.8. CI ..24/230, 24/129, 24/115,
24/73 [57] ABSTRACT [51 1 Int. Cl. ..G0ln 31/00 A device for use with a m pe to lower persons or ob ects 1n a 53 Fi ld4 ll sgs i j controlled descent down a rope at: various speeds or even a 2 l complete stop, consisting of a metal article having an elongated member upon which the rope is wound several turns and [56] References Cited an open passage located above a post upon which a portion of UNITED STATES PATENTS the rope may be looped. The device having an enclosed opening for attachment to a harness or other fitting. 1,702,946 2/1929 Powers et a1 ..24/230 2,492,559 12/1949 Dixon 2 Claims, 10 Drawing Figures PATENTED M25 1912 3.678.543
sum 1 BF 2 INVENTOR. Edwin L. Hobbs QZVZQVQ Attorneys PATENTfinJuLzsmz 3518543 SHEEI 2 0F 2 Fig. IO
INVENTOR.
Edwin L. Hobbs BY 0774 AM Aflorneys CONTROLLED PERSONAL DESCENT DEVICE BACKGROUND OF THE INVENTION The classic rescue hook for which this invention offers an improvement is known as the Atlas Pompier Hook." The Atlas hook is in the form of a closed loop with a spring gate. The Atlas hook permits controlled descents down a rope but complete stops can only be made by tying the rope to another device or around the person.
SUMMARY OF THE INVENTION The gist of the invention is the provision of an article which has a post about which a loop of rope can be taken to completely stop the descent of a person for a selected period of time so that he can have both hands free, yet resume the descending mode quickly and easily.
An object of the present device is to permit a person to rappel down a stationary single, or double rope from which he is suspended with ease, comfort and complete control.
A further object of the present device is to permit a person to make a complete stop and by merely making a simple loop in the rope about a portion of the device permit the maintenance of a stationary elevation with both hands free to carry out work assignments.
A further object is to provide a device permitting various ways in which a rope may be wound about it to permit various speeds of descent.
Still another object of the device is to permit a ground stationed person to control the descent of the person or object by applying tension to the lower end of the rope.
A still further object is to secure a person or object to a ladder rung or other fitting used by high riggers, fire fighters and others.
Another object is to provide a hook which can be used with a brake bar so that the hook can be used with double or single ropes.
Still another object is to provide a device in which descent can be accomplished only by feeding the rope into the device thereby enabling very controlled slow descents.
Another object is to provide a sturdy, completely safe device which has universal use by firemen, painters, steel workers, window washers, tree workers mountainclimbers, spelunkers, shipworkers and all other construction and rescue personnel who must work in high places.
BRIEF DESCRIPTION OF THE DRAWINGS FIG. I is a side view showing one embodiment of the invention.
FIG. 2 is a sideview of the device shown in FIG. I with a brake bar shown in phantom line.
FIG. 3 is a front view of the device shown in FIG. 2 with the brake bar shown in phantom line.
FIG. 4 is a perspective view of the device shown in FIG. 9.
FIG. 5 is a side view of a brake bar used in connection with the invention FIG. 6 is a top view of the bar shown in FIG. 5.
FIG. 7 is an end view of the bar shown in FIGS. 5 and 6.
FIG. 8 is a side view of an alternate form of the present invention shown with one possible rope configuration.
FIG. 9 is a side view of the alternate form shown in FIG. with the brake bar of FIGS. 57. 7
FIG. 10 is a side view of the invention shown in FIG. 9 with the rope removed and showing the brake bar of FIGS. 5-7 in phantom line.
DESCRIPTION OF THE PREFERRED EMBODIMENTS The rescue hook of the present invention consists briefly of an integral generally C-shaped member having a base portion 2 formed with an enclosed opening 3, an elongated side 4 joined to the base, a post member 6 joined to the base and separated from the side member, a hook shaped portion 7 joined to the side and separated from the post end I l forming an open passage therebetween indicated by arrow 8; the side member being separated from the post member a distance permitting a rope 9 to be wound about the side member and a turn about the post.
The hook is preferably made from a light metal such as aluminum or magnesium. All surfaces of the metal should be rounded to avoid cutting the rope. The hook is most inexpensively made with all parts in the same plane but variations could be made with the parts at an angle.
It is essential that the device have a hook end which curves inwardly in the direction of the side member to prevent the rope from accidentally coming off the device. The end I2 of the hook must be spaced a sufiicient distance from the side of the device to permit at least one turn of rope on the side. The end of the hook should extend below the inside edge 13 of the hook at least 2 or 3 rope diameters of the rope being used. The end of the post is preferably extended inwardly.
An alternate form of the invention consists of the device described above and with a brake bar shown in FIGS. 5. 6, 7. and 9. The brake bar is used for controlled descents with two ropes or a single rope doubled. The brake bar defines a closed loop dimensioned to encircle the side member and post. An end 16 spans the passage formed by the post end and the hook portion. The bar consists of sides 17 and I8 and end I9. The brake bar fits over either form of the invention as shown in phantom lines in FIGS. 2, 3 and 10.
In FIG. 1, another alternate form of the invention is shown consisting of a base 2', an enclosed opening 3,side 4', inside edge 13', hook 7', hook end 12' post. end 11' and post 6'. In addition, by providing a cross member 26 spaced from the base, an enlarged opening 21 is formed in the base.
In use, the rope is wound about the side as shown in FIG. 1. The end of the rope is held in one hand and permitted to slide therethrough. If it is desired to make a stop, the rope can be looped around the post as seen in FIG. 1. FIG. 2 shows a form of the hook in which even greater safety is obtained in stopping descent completely so that a person can work with both hands. An enlarged opening 21 is formed in the base by providing cross member 26' spaced from the base. The rope is first looped through the enlarged opening and then placed around the post.
FIG. 9 shows a double rope fed through the hook and over the brake bar. This version permits the use of the hook where use of a double rope is desired. Use of the brake bar is shown in FIG. 4 in which the hook is attached to a harness 23 by means of a ring 24 which is attached tothe enclosed opening in the base of the hook.
The rope may be wound about the hook in various ways depending upon the speed of descent required. The drawings are illustrative of a few of the different rope configurations.
I claim: v
l. A controlled personal descent assembly comprising:
a. a base member having an eyelet opening therein;
b. a ring dimensioned for releasable connection to said base member through said eyelet opening and adapted for connection to a belt or harness worn by a person using said assembly for descending;
c. a first elongated side member connected to said base and extending longitudinally therefrom in a substantially straight line a distance approximating a plurality of diameters of the line;
d. a first flexible line extending longitudinally of said device and being wound a selected plurality of turns around said first side member;
e. a second elongated side member having a length less than said first side connected to said base and spaced from said first side member a distance of at least two diameters of said flexible line and extending in substantially the same plane as said base and first side member and terminating in a stub post;
. a cross member spaced from said base and joining said first and second sides and thereby fonning a first enclosed opening having an area several times greater than the area of a line adapted to be received therethrough;
permit passage of a line loop therebetween; g. all surfaces of said members being constructed with smooth rounded surfaces to prevent cutting of said line. 2. An assembly as described in claim I wherein:
a. the distal end of said post is formed with an inwardly extending portion.
# i 1U I! i

Claims (2)

1. A controlled personal descent assembly comprising: a. a base member having an eyelet opening therein; b. a ring dimensioned for releasable connection to said base member through said eyelet opening and adapted for connection to a belt or harness worn by a person using said assembly for descending; c. a first elongated side member connected to said base and extending longitudinally therefrom in a substantially straight line a distance approximating a plurality of diameters of the line; d. a first flexible line extending longitudinally of said device and bEing wound a selected plurality of turns around said first side member; e. a second elongated side member having a length less than said first side connected to said base and spaced from said first side member a distance of at least two diameters of said flexible line and extending in substantially the same plane as said base and first side member and terminating in a stub post; f. a cross member spaced from said base and joining said first and second sides and thereby forming a first enclosed opening having an area several times greater than the area of a line adapted to be received therethrough; g. an elongated top member joining said first side member and extending at substantially right angles therefrom, spaced from said cross member and in substantially the same plane therewith; h. a hook shaped member joined to said elongated top member and curving inwardly toward said first elongated side member, said hook shaped member being spaced from the end of said stub post at least one line diameter to permit passage of a line loop therebetween; g. all surfaces of said members being constructed with smooth rounded surfaces to prevent cutting of said line.
2. An assembly as described in claim 1 wherein: a. the distal end of said post is formed with an inwardly extending portion.
US39078A 1970-05-20 1970-05-20 Controlled personal descent device Expired - Lifetime US3678543A (en)

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Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019609A (en) * 1975-11-03 1977-04-26 Wagner Kelly B Brake apparatus for use in rappelling
US4189055A (en) * 1978-03-02 1980-02-19 Hiromichi Nohzuka Fixture for an elongated flexible member
US4354653A (en) * 1980-02-19 1982-10-19 Ericsson Goete Suspension device
US4831692A (en) * 1987-06-05 1989-05-23 Chuan Jou H Hook for releasably attaching to at least one end
US4910834A (en) * 1989-06-08 1990-03-27 Minkler Donald W Rope tie-down loop
US4941434A (en) * 1988-08-11 1990-07-17 Phillip Ellwanger Quick connect retaining leash
US5381589A (en) * 1993-09-27 1995-01-17 Bailey; John G. Load securing arrangement
GB2299153A (en) * 1995-03-24 1996-09-25 Jose Luis Vidal Controlling the descent of a load down a rope
USD382793S (en) * 1996-01-19 1997-08-26 Waterfront Construction, Inc. Rope cleat
US6095282A (en) * 1997-12-18 2000-08-01 The United States Of America As Represented By The Secretary Of The Army Rappel tool for descent of a load and rappel tool and stirrup assembly for ascent along a rappel rope
US6192558B1 (en) * 1998-07-06 2001-02-27 Michael W. Badura Mechanical trucker's knot, with locking clasp, and method of use
US6409230B1 (en) 2001-03-19 2002-06-25 Guy J. Entenmann Cinch cleat and method of unidirectional and bidirectional cinching thereto
US20040254593A1 (en) * 2003-06-11 2004-12-16 Stryker Endoscopy Adjustable line locks and methods
US20050217079A1 (en) * 2004-04-02 2005-10-06 Gerry Oatway Rope clamp
US20050288710A1 (en) * 2003-06-11 2005-12-29 Fallin T W Line lock threading systems and methods
US20050288711A1 (en) * 2003-06-11 2005-12-29 Fallin T W Line lock suture attachment systems and methods
US20060190041A1 (en) * 2003-06-11 2006-08-24 Medicinelodge, Inc. Compact line locks and methods
US20060276896A1 (en) * 2005-06-02 2006-12-07 Medicinelodge, Inc. Bone implants with integrated line locks
GB2429234A (en) * 2005-08-16 2007-02-21 Rickard Nicholas Graham Retaining device
US20080128669A1 (en) * 2006-12-05 2008-06-05 Rick Lipke Systems and methods for controlling rope
US20080216293A1 (en) * 2007-03-08 2008-09-11 Mattel, Inc. Cleat for securing packaging ties
US7641694B1 (en) 2005-01-06 2010-01-05 IMDS, Inc. Line lock graft retention system and method
GB2464928A (en) * 2008-10-28 2010-05-05 Latchways Plc Safety line capture device
US20110011671A1 (en) * 2009-07-16 2011-01-20 Young Chu Belaying apparatus with friction claw for climbing
US20110173780A1 (en) * 2006-12-05 2011-07-21 Conterra, Inc. Systems and methods for controlling rope
WO2011138572A1 (en) * 2010-05-06 2011-11-10 Robert Charles Grave A tethering device
US20120297582A1 (en) * 2011-05-26 2012-11-29 Fan Ren Lee Tie Hook
US20120304943A1 (en) * 2011-05-31 2012-12-06 Craig Meisenbach Rearward leash positioner
US8955301B2 (en) 2012-06-05 2015-02-17 Jarrod Segura D-ring apparatus
US20160213953A1 (en) * 2014-01-24 2016-07-28 Randall Luke Galyan Frictional rope control device with on the fly friction adjustment
US20170080260A1 (en) * 2015-09-17 2017-03-23 Billy D. Pettey Multipurpose device for use with a rope
US11242911B1 (en) * 2020-09-17 2022-02-08 Eric Ezykowsky Rope tensioning device
US11293520B2 (en) * 2015-07-23 2022-04-05 Gary Anthony Horgan Ligature attachment device

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GB190609715A (en) * 1905-05-25 1906-05-24 Charlotte Hannah Fullbrook An Improved Curtain Ring
US1702946A (en) * 1928-06-18 1929-02-19 Thomas E Powers Safety cargo hook
US2492559A (en) * 1947-07-19 1949-12-27 George F Dixon Fastener
US3353232A (en) * 1966-02-21 1967-11-21 Ivan F Brownson Double hook

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB190609715A (en) * 1905-05-25 1906-05-24 Charlotte Hannah Fullbrook An Improved Curtain Ring
US1702946A (en) * 1928-06-18 1929-02-19 Thomas E Powers Safety cargo hook
US2492559A (en) * 1947-07-19 1949-12-27 George F Dixon Fastener
US3353232A (en) * 1966-02-21 1967-11-21 Ivan F Brownson Double hook

Cited By (64)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019609A (en) * 1975-11-03 1977-04-26 Wagner Kelly B Brake apparatus for use in rappelling
US4189055A (en) * 1978-03-02 1980-02-19 Hiromichi Nohzuka Fixture for an elongated flexible member
US4354653A (en) * 1980-02-19 1982-10-19 Ericsson Goete Suspension device
US4831692A (en) * 1987-06-05 1989-05-23 Chuan Jou H Hook for releasably attaching to at least one end
US4941434A (en) * 1988-08-11 1990-07-17 Phillip Ellwanger Quick connect retaining leash
US4910834A (en) * 1989-06-08 1990-03-27 Minkler Donald W Rope tie-down loop
US5381589A (en) * 1993-09-27 1995-01-17 Bailey; John G. Load securing arrangement
GB2299153A (en) * 1995-03-24 1996-09-25 Jose Luis Vidal Controlling the descent of a load down a rope
GB2299153B (en) * 1995-03-24 1999-01-13 Jose Luis Vidal Device for controlling the descent of a load down a rope
USD382793S (en) * 1996-01-19 1997-08-26 Waterfront Construction, Inc. Rope cleat
US6095282A (en) * 1997-12-18 2000-08-01 The United States Of America As Represented By The Secretary Of The Army Rappel tool for descent of a load and rappel tool and stirrup assembly for ascent along a rappel rope
US6192558B1 (en) * 1998-07-06 2001-02-27 Michael W. Badura Mechanical trucker's knot, with locking clasp, and method of use
US6409230B1 (en) 2001-03-19 2002-06-25 Guy J. Entenmann Cinch cleat and method of unidirectional and bidirectional cinching thereto
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