GB1389395A – Fastener tool
– Google Patents
GB1389395A – Fastener tool
– Google Patents
Fastener tool
Info
Publication number
GB1389395A
GB1389395A
GB1408273A
GB1408273A
GB1389395A
GB 1389395 A
GB1389395 A
GB 1389395A
GB 1408273 A
GB1408273 A
GB 1408273A
GB 1408273 A
GB1408273 A
GB 1408273A
GB 1389395 A
GB1389395 A
GB 1389395A
Authority
GB
United Kingdom
Prior art keywords
valve
fluid
actuator
timer
motor
Prior art date
1972-05-11
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.)
Expired
Application number
GB1408273A
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.)
Boeing North American Inc
Original Assignee
Rockwell International Corp
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.)
1972-05-11
Filing date
1973-03-23
Publication date
1975-04-03
1972-05-11
Priority claimed from US00252479A
external-priority
patent/US3821991A/en
1973-03-23
Application filed by Rockwell International Corp
filed
Critical
Rockwell International Corp
1975-04-03
Publication of GB1389395A
publication
Critical
patent/GB1389395A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
Classifications
B—PERFORMING OPERATIONS; TRANSPORTING
B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
B25B23/1456—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers having electrical components
B—PERFORMING OPERATIONS; TRANSPORTING
B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
B25B23/14—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers
B25B23/145—Arrangement of torque limiters or torque indicators in wrenches or screwdrivers specially adapted for fluid operated wrenches or screwdrivers
Abstract
1389395 Torque wrenches ROCKWELL INTERNATIONAL CORP 23 March 1973 [11 May 1972] 14082/73 Heading B3N The operation of the torque wrench is the same as that in Specification 1,367,201. A motor 22 drives an output member 28 through a clocktype spring 105. A torque responsive shut-off mechanism 30 for terminating air flow to the motor. This is achieved by pawl 128 moving out of engagement with valve stem assembly 126 so that fluid pressure on valve member 58 moves it forward to stop fluid flow from chamber 54 to passage 62. A signal generating mechanism 32 includes a valve assembly 150 normally biased to the position shown in Fig. 1. During running of the motor this position is retained by fluid flow along passage 62 to the right hand side of valve member 156. When valve 58 is closed fluid flow to this side of the valve member is stopped although fluid can still flow along passage 176. This causes the valve member to move against its spring bias to shut off vent passages 170, 172, 174 and allow fluid flow to air supply line 166. Fluid thus passes to a marking unit 34 to propel a small amount of marking ink on to the fastener. The tool 2A of Fig. 4 works in the same manner but is provided with means of producing a signal indicative of the length of time for which a fastener is tightened. This means are reed switches 222, 224, reed actuators 226, 228 and a timer which is an R-C timing circuit including a resistor 230 and a capacitor 232. The right hand ends of the actuators are magnetic so poled that displacement of the actuators to the right causes the switches to move from their full line positions to the dotted positions. In operation actuation of lever causes fluid to move actuator 226 so that the timer unit is started. This is achieved as the right hand side of actuator 226 is vented whilst both sides of actuator 228 receive fluid. When the predetermined torque is reached valve 58 closes and the downstream side of the valve is vented through the motor. Thus actuator 228 is moved against its spring and the timer is stopped. Read out from the timer can take a number of forms.
GB1408273A
1972-05-11
1973-03-23
Fastener tool
Expired
GB1389395A
(en)
Applications Claiming Priority (1)
Application Number
Priority Date
Filing Date
Title
US00252479A
US3821991A
(en)
1971-01-06
1972-05-11
Fastener tool
Publications (1)
Publication Number
Publication Date
GB1389395A
true
GB1389395A
(en)
1975-04-03
Family
ID=22956177
Family Applications (1)
Application Number
Title
Priority Date
Filing Date
GB1408273A
Expired
GB1389395A
(en)
1972-05-11
1973-03-23
Fastener tool
Country Status (5)
Country
Link
CA
(1)
CA1032379A
(en)
CH
(1)
CH573289A5
(en)
DE
(1)
DE2323014A1
(en)
FR
(1)
FR2183970B1
(en)
GB
(1)
GB1389395A
(en)
Families Citing this family (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
FR2337609A1
(en)
*
1976-01-12
1977-08-05
Standard Pressed Steel Co
Tightening mechanism with quality control system – has regulator and monitor circuit controlling torque, speed and rate or change values
SE405562B
(en)
*
1977-03-22
1978-12-18
Atlas Copco Ab
OVERLOAD COUPLING WITH PRESSURE FLUID DRIVER SCREWDRIVER
Family Cites Families (2)
* Cited by examiner, † Cited by third party
Publication number
Priority date
Publication date
Assignee
Title
US3596718A
(en)
*
1969-07-02
1971-08-03
Gardner Denver Co
Torque control system
US3661040A
(en)
*
1970-06-08
1972-05-09
Chicago Pneumatic Tool Co
Pneumatic nutrunner with work marking mechanism
1973
1973-03-23
GB
GB1408273A
patent/GB1389395A/en
not_active
Expired
1973-05-08
DE
DE19732323014
patent/DE2323014A1/en
not_active
Ceased
1973-05-08
FR
FR7316596A
patent/FR2183970B1/fr
not_active
Expired
1973-05-08
CH
CH650973A
patent/CH573289A5/xx
not_active
IP Right Cessation
1973-05-09
CA
CA170,849A
patent/CA1032379A/en
not_active
Expired
Also Published As
Publication number
Publication date
DE2323014A1
(en)
1973-11-22
CH573289A5
(en)
1976-03-15
FR2183970A1
(en)
1973-12-21
CA1032379A
(en)
1978-06-06
FR2183970B1
(en)
1977-09-02
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Legal Events
Date
Code
Title
Description
1975-08-13
PS
Patent sealed
1985-11-20
PCNP
Patent ceased through non-payment of renewal fee
