WO2005098885B1 - Method for operating a power driver - Google Patents

Method for operating a power driver

Info

Publication number
WO2005098885B1
WO2005098885B1 PCT/US2005/011153 US2005011153W WO2005098885B1 WO 2005098885 B1 WO2005098885 B1 WO 2005098885B1 US 2005011153 W US2005011153 W US 2005011153W WO 2005098885 B1 WO2005098885 B1 WO 2005098885B1
Authority
WO
WIPO (PCT)
Prior art keywords
motor
cycle
electrical power
output member
parameter
Prior art date
Application number
PCT/US2005/011153
Other languages
French (fr)
Other versions
WO2005098885A2 (en
WO2005098885A3 (en
Inventor
Michael Forster
Bhanuprasad V Gorti
Sam Woods
Craig Schell
Nathan Cruise
Original Assignee
Black & Decker Inc
Michael Forster
Bhanuprasad V Gorti
Sam Woods
Craig Schell
Nathan Cruise
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 Black & Decker Inc, Michael Forster, Bhanuprasad V Gorti, Sam Woods, Craig Schell, Nathan Cruise filed Critical Black & Decker Inc
Priority to EP05734085A priority Critical patent/EP1733408A4/en
Publication of WO2005098885A2 publication Critical patent/WO2005098885A2/en
Publication of WO2005098885A3 publication Critical patent/WO2005098885A3/en
Publication of WO2005098885B1 publication Critical patent/WO2005098885B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25F—COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDED FOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOT PARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOT OTHERWISE PROVIDED FOR
    • B25F5/00—Details or components of portable power-driven tools not particularly related to the operations performed and not otherwise provided for
    • 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
    • B25C1/06—Hand-held nailing tools; Nail feeding devices operated by electric power

Abstract

A method for operating a driving tool, such as a fastening tool, that has a driver, a motor assembly with a motor and an output member, and an electrical power source. The methodology includes transmitting electrical power to the motor to rotate the output member and thereafter adjusting one or more control parameters if a rotational speed of the output member is not within a predetermined operating range.

Claims

AMENDED CLAIMS [Received by the International Bureau on 26 September 2006 (26/09/2006)What is claimed is:
1. A method comprising: providing a driving tool having a driver, a motor assembly and an electrical 5 power source, the driver being movable along an axis, the motor assembly including a motor and an output member, that is driven by the motor and employed to transmit power to the driver to thereby cause the driver to translate along the axis; transmitting electrical power from the electrical power source to the motor over a first cycle portion to thereby rotate the output member;
10 determining a parameter related to a rotational speed of the output member; and increasing a time interval of the first cycle portion if a magnitude of the parameter is less than a predetermined threshold.
2. The method of Claim 1 , wherein the electrical power source is a battery and the driving tool further includes a controller with a memory and the memory is
15 configured to store the time interval associated with the first cycle portion each time the time interval is adjusted.
3. The method of Claim 2, wherein the first cycle portion is set to a default time interval when the battery is replaced with a different battery.
4. The method of Claim 3, wherein the default time interval is selected from 20 a plurality of predetermined default time intervals based on a voltage of the battery.
5. The method of Claim 1 , wherein each complete cycle over which the driving tool is operated includes the first cycle portion and a plurality of second cycle portions and wherein the method further comprises: re-determining the parameter that is related to the rotational speed of the output 25 member after completion of a predetermined number of the second cycle portions; and determining an apparent voltage of the second cycle portion based at least partially on the parameter that is related to the rotational speed of the output member.
6. The method of Claim 5, wherein the parameter that is related to the rotational speed of the output member is the rotational speed of the output member.
30 7. The method of Claim 5, wherein no electrical power is provided to the motor between each of the second cycle portions.
8. The method of Claim 7, wherein the parameter that is related to the rotational speed of the output member is the back electromotive force produced by the motor.
20
AMENDED SHEET (ARTICLE 19|
9. The method of Claim 5, wherein a duration of each of the second cycle portion is constant.
10. The method of Claim 5, wherein no electrical power is provided to the motor between the first cycle portion and a first one of the second cycle portions.
11. The method of Claim 5, wherein the electrical power source is a battery and wherein the apparent voltage of the second cycle portion is also based at least partially on a voltage of the voltage of the battery.
12. The method of Claim 1 , further comprising decreasing the time interval of the first cycle portion if the magnitude of the parameter is greater than a second predetermined threshold.
13. A method comprising: providing a driving tool having a driver, a motor assembly and an electrical power source, the driver being movable along an axis, the motor assembly including a motor and an output member, that is driven by the motor and employed to transmit power to the driver to thereby cause the driver to translate along the axis; transmitting electrical power from the electrical power source to the motor over a first cycle portion to thereby rotate the output member; determining a parameter related to a rotational speed of the output member; and decreasing a time interval of the first cycle portion if a magnitude of the parameter is greater than a predetermined threshold.
14. The method of Claim 13, wherein the electrical power source is a battery and the driving tool further includes a controller with a memory and the memory is configured to store the time interval associated with the first cycle portion each time the time interval is adjusted.
15. The method of Claim 14, wherein the first cycle portion is set to a default time interval when the battery is replaced with a different battery.
16. The method of Claim 15, wherein the default time interval is selected from a plurality of predetermined default time intervals based on a voltage of the battery.
17. The method of Claim 13, wherein each complete cycle over which the driving tool is operated includes the first cycle portion and a plurality of second cycle portions and wherein the method further comprises: re-determining the parameter that is related to the rotational speed of the output member after completion of a predetermined number of the second cycle portions; and determining an apparent voltage of the second cycle portion based at least partially on the parameter that is related to the rotational speed of the output member.
18. The method of Claim 17, wherein the parameter that is related to the rotational speed of the output member is the rotational speed of the output member.
19. The method of Claim 17, wherein no electrical power is provided to the motor between each of the second cycle portions.
20. The method of Claim 17, wherein the parameter that is related to the rotational speed of the output member is the back electromotive force produced by the motor.
21. The method of Claim 17, wherein a duration of each of the second cycle portion is constant.
22. The method of Claim 17, wherein no electrical power is provided to the motor between the first cycle portion and a first one of the second cycle portions.
23. The method of Claim 17, wherein the electrical power source is a battery and wherein the apparent voltage of the second cycle portion is also based at least partially on a voltage of the voltage of the battery.
24. A method comprising: providing a driving tool having a driver, a motor assembly and an electrical power source, the driver being movable along an axis, the motor assembly including a motor, and an output member, that is driven by the motor and employed to transmit power to the driver to thereby cause the driver to translate along the axis; and operating the driving tool over a complete cycle with a first cycle portion and at least one second cycle portion, the-comptete cycle including: transmitting electrical power from the electrical power source to the motor over the first cycle portion to thereby rotate the output member; determining a first parameter, the first parameter being related to the back electromotive force that is generated by the motor without providing electrical power to the motor; adjusting a time interval of the first cycle portion if a magnitude of the parameter is less than a predetermined first threshold or greater than a predetermined second threshold; transmitting electrical power from the electrical power source to the motor over a first one of the second cycle portions to thereby rotate the output member; re-determining the first parameter after completion of the first one of the second cycle portions; and determining an apparent voltage of a next one of the second cycle portions based at least partially on a magnitude of the first parameter.
22
AMENDED SHEET (ARTICLE Ig)
25. The method of Claim 24, wherein the electrical power source is a battery and wherein the apparent voltage of the next one of the second cycle portions is also based at least partially on a voltage of the voltage of the battery.
26. A method comprising: providing a driving tool having a driver, a motor assembly and a battery, the driver being movable along an axis, the motor assembly including a motor and an output member that is driven by the motor and employed to transmit power to the driver to thereby cause the driver to translate along the axis, the battery providing a source of electrical power; and transmitting electrical power from the battery to the motor over a first cycle portion to initiate rotation of the output member, wherein the electrical power received by the motor has a voltage that is equal to a voltage of the battery and the electrical power is received by the motor throughout the first portion, wherein a time duration of the first cycle portion is sufficiently long so as to permit a rotational speed of the output member to be. greater than or equal to a predetermined rotational speed when the battery is fully charged.
27. The method of Claim 26, further comprising modifying the time duration of the first cycle portion.
28. The method of Claim 27, wherein modifying the time duration of the first cycle portion is based on a parameter related to the rotational speed of the output
- member.
22A
PCT/US2005/011153 2004-04-02 2005-04-01 Method for operating a power driver WO2005098885A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05734085A EP1733408A4 (en) 2004-04-02 2005-04-01 Method for operating a power driver

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US55934904P 2004-04-02 2004-04-02
US60/559,349 2004-04-02
US11/095,722 2005-03-31
US11/095,722 US8408327B2 (en) 2004-04-02 2005-03-31 Method for operating a power driver

Publications (3)

Publication Number Publication Date
WO2005098885A2 WO2005098885A2 (en) 2005-10-20
WO2005098885A3 WO2005098885A3 (en) 2006-09-28
WO2005098885B1 true WO2005098885B1 (en) 2006-11-16

Family

ID=35053026

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/011153 WO2005098885A2 (en) 2004-04-02 2005-04-01 Method for operating a power driver

Country Status (3)

Country Link
US (3) US8408327B2 (en)
EP (1) EP1733408A4 (en)
WO (1) WO2005098885A2 (en)

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Publication number Publication date
EP1733408A2 (en) 2006-12-20
US20130240229A1 (en) 2013-09-19
US20050217874A1 (en) 2005-10-06
US8408327B2 (en) 2013-04-02
US9533408B2 (en) 2017-01-03
US20090183888A1 (en) 2009-07-23
EP1733408A4 (en) 2008-11-26
WO2005098885A2 (en) 2005-10-20
WO2005098885A3 (en) 2006-09-28
US8434566B2 (en) 2013-05-07

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