CA2193926A1 - Velocity Control and Nosepiece Stabilizer System for Combustion Powered Tools - Google Patents

Velocity Control and Nosepiece Stabilizer System for Combustion Powered Tools

Info

Publication number
CA2193926A1
CA2193926A1 CA2193926A CA2193926A CA2193926A1 CA 2193926 A1 CA2193926 A1 CA 2193926A1 CA 2193926 A CA2193926 A CA 2193926A CA 2193926 A CA2193926 A CA 2193926A CA 2193926 A1 CA2193926 A1 CA 2193926A1
Authority
CA
Canada
Prior art keywords
exit ports
cylinder
nosepiece
piston
ring
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA2193926A
Other languages
French (fr)
Other versions
CA2193926C (en
Inventor
Stanley C. Veoukas
Kui-Chiu Kwok
Donald L. Van Erden
George M. Velan
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Illinois Tool Works Inc
Original Assignee
Illinois Tool Works Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Illinois Tool Works Inc filed Critical Illinois Tool Works Inc
Publication of CA2193926A1 publication Critical patent/CA2193926A1/en
Application granted granted Critical
Publication of CA2193926C publication Critical patent/CA2193926C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/188—Arrangements at the forward end of the barrel, e.g. splinter guards, spall minimisers, safety arrangements, silencers, bolt retainers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Abstract

A piston velocity control and stability control system is provided for a combustion powered tool having a self contained combustion engine. The system includes a ring that may be adjusted relative to exit ports in a cylinder of the combustion engine. The ring includes openings which may be incrementally aligned between a completely exposed, and a substantially closed position relative to the exit ports. Displaced air volume within the cylinder exits through the exit ports as a piston advances down the cylinder, and the velocity of the piston will be greatest when the exit ports are completely exposed. User initiated reduction of the effective size of the exit ports by adjustment of the ring will reduce piston velocity as described per application. A nosepiece used to guide the driver blade and position the blade over a fastener is isolated from the cylinder so that the nosepiece remains stable relative to the workpiece upon combustion and until the driver blade strikes the fastener.
CA002193926A 1996-02-09 1996-12-24 Velocity control and nosepiece stabilizer system for combustion powered tools Expired - Fee Related CA2193926C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/599,022 US5799855A (en) 1996-02-09 1996-02-09 Velocity control and nosepiece stabilizer system for combustion powered tools
US08/599,022 1996-02-09

Publications (2)

Publication Number Publication Date
CA2193926A1 true CA2193926A1 (en) 1997-08-10
CA2193926C CA2193926C (en) 2000-07-11

Family

ID=24397885

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002193926A Expired - Fee Related CA2193926C (en) 1996-02-09 1996-12-24 Velocity control and nosepiece stabilizer system for combustion powered tools

Country Status (8)

Country Link
US (2) US5799855A (en)
EP (1) EP0788863B1 (en)
JP (1) JP4145968B2 (en)
CA (1) CA2193926C (en)
ES (1) ES2225933T3 (en)
MX (1) MX9700396A (en)
NO (1) NO970492L (en)
TW (1) TW350807B (en)

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EP2886258A1 (en) * 2013-12-18 2015-06-24 HILTI Aktiengesellschaft Driving device
EP2886257A1 (en) * 2013-12-18 2015-06-24 HILTI Aktiengesellschaft Driving device
EP2886260A1 (en) * 2013-12-19 2015-06-24 HILTI Aktiengesellschaft Driving device
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US9862083B2 (en) 2014-08-28 2018-01-09 Power Tech Staple and Nail, Inc. Vacuum piston retention for a combustion driven fastener hand tool
US10759031B2 (en) 2014-08-28 2020-09-01 Power Tech Staple and Nail, Inc. Support for elastomeric disc valve in combustion driven fastener hand tool
CN208289826U (en) 2015-02-06 2018-12-28 米沃奇电动工具公司 Using gas spring as the fastener driver of power
US20180215024A1 (en) * 2017-01-27 2018-08-02 Craig Carlson Nail Driving Assembly
DE202017103050U1 (en) * 2017-05-19 2018-08-22 Joh. Friedrich Behrens Ag Drive-in device for driving fasteners into workpieces
EP3578316A1 (en) * 2018-06-06 2019-12-11 HILTI Aktiengesellschaft Setting device
US11624314B2 (en) 2018-08-21 2023-04-11 Power Tech Staple and Nail, Inc. Combustion chamber valve and fuel system for driven fastener hand tool

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Also Published As

Publication number Publication date
NO970492D0 (en) 1997-02-04
EP0788863B1 (en) 2004-07-28
EP0788863A1 (en) 1997-08-13
MX9700396A (en) 1997-08-30
CA2193926C (en) 2000-07-11
JPH09234677A (en) 1997-09-09
ES2225933T3 (en) 2005-03-16
NO970492L (en) 1997-08-11
US5897043A (en) 1999-04-27
TW350807B (en) 1999-01-21
US5799855A (en) 1998-09-01
JP4145968B2 (en) 2008-09-03

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20141224