GB1259539A - - Google Patents

Info

Publication number
GB1259539A
GB1259539A GB1259539DA GB1259539A GB 1259539 A GB1259539 A GB 1259539A GB 1259539D A GB1259539D A GB 1259539DA GB 1259539 A GB1259539 A GB 1259539A
Authority
GB
United Kingdom
Prior art keywords
nozzles
tool
plate
air
sept
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.)
Expired
Application number
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 filed Critical
Publication of GB1259539A publication Critical patent/GB1259539A/en
Expired legal-status Critical Current

Links

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
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose
    • 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
    • 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
    • Y10T137/00—Fluid handling
    • Y10T137/2278—Pressure modulating relays or followers
    • Y10T137/2322—Jet control type

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
  • Jet Pumps And Other Pumps (AREA)

Abstract

1,259,539. Power-screwdrivers. ALFRED TEVES G.m.b.H. 22 Sept., 1969 [28 Sept., 1968], No. 46641/69. Heading B3N. [Also in Division G3] An air operated screw-driver comprises a plate 3 having lobes 16, secured for rotation with the tool shaft 15, two pairs of nozzles 1, 2, formed in a body 11 fixed to the tool body 17, the nozzles 1 being on one side of the plate, and nozzles 2 being on the other side, nozzles 1 being connected to a supply 12, and nozzles 2 being connected to nozzles 13, which latter are connected to the main air control valve via a logic circuit-Fig. 3 (not shown). In operation, when the tool, and therefore plate 3, rotates, a jet of air is supplied alternately to a nozzle 13. When shaft 15 is brought to a standstill, a continuous signal is supplied to one of the nozzles 13 so that the main air control valve is actuated, and the supply of air to the logic circuit and to the tool drive is interrupted.
GB1259539D 1968-09-28 1969-09-22 Expired GB1259539A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681777231 DE1777231A1 (en) 1968-09-28 1968-09-28 Switch-off device for machine tools

Publications (1)

Publication Number Publication Date
GB1259539A true GB1259539A (en) 1972-01-05

Family

ID=5703104

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1259539D Expired GB1259539A (en) 1968-09-28 1969-09-22

Country Status (4)

Country Link
US (1) US3581501A (en)
DE (1) DE1777231A1 (en)
FR (1) FR2019133A1 (en)
GB (1) GB1259539A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2627962C3 (en) * 1976-06-23 1979-08-02 Roland Offsetmaschinenfabrik Faber & Schleicher Ag, 6050 Offenbach Screwdriver with a circuit arrangement, in particular for printing machines
US4921009A (en) * 1988-12-07 1990-05-01 Adam Gunter H Torque control system
US20060045749A1 (en) * 2004-08-30 2006-03-02 Powermate Corporation Air compressor utilizing an electronic control system
US7481627B2 (en) * 2004-08-30 2009-01-27 Mat Industries Llc Air compressor tools that communicate with an air compressor
US20060045751A1 (en) * 2004-08-30 2006-03-02 Powermate Corporation Air compressor with variable speed motor

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1729850A (en) * 1927-03-28 1929-10-01 Askaniawerke A G Vormals Centr Steering indicator for aircraft
US2965076A (en) * 1959-12-31 1960-12-20 Gen Motors Corp Servomechanism

Also Published As

Publication number Publication date
US3581501A (en) 1971-06-01
FR2019133A1 (en) 1970-06-26
DE1777231A1 (en) 1971-10-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees