GB409590A - Improvements in machines for cramping doors and the like - Google Patents

Improvements in machines for cramping doors and the like

Info

Publication number
GB409590A
GB409590A GB2852733A GB2852733A GB409590A GB 409590 A GB409590 A GB 409590A GB 2852733 A GB2852733 A GB 2852733A GB 2852733 A GB2852733 A GB 2852733A GB 409590 A GB409590 A GB 409590A
Authority
GB
United Kingdom
Prior art keywords
shaft
driven
pulley
belts
carrying
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
GB2852733A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB2852733A priority Critical patent/GB409590A/en
Publication of GB409590A publication Critical patent/GB409590A/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
    • B25B5/00—Clamps
    • B25B5/14—Clamps for work of special profile
    • B25B5/142—Clamps for work of special profile for windows and frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Pulleys (AREA)

Abstract

409,590. Cramps. GARDEN, W. B., Garville, Glasgow Road, Kilsyth, Stirlingshire. Oct. 16, 1933, No. 28527. [Class 61 (ii).] A power-driven machine for cramping doors &c. comprises a frame made up of longitudinal members 1 and transverse members 2 supporting side bars 10 each carrying a number of adjustable clamping jaws 12 and adapted to be actuated by right and left screws 9 and pinions 8 driven by worms on a longitudinal shaft 4 driven by gearing 5 on a shaft 6 carrying pulleys 17, 18, 19, the pulley 18 being clutched to the shaft by means of friction washers 20 and a spring 21 and the pulleys 17, 19 being loose on the shaft and engaged by crossed and uncrossed belts 28, 29 driven by pulley 23. The belts are shifted to cause the clamping bars 10 to be moved inwards or outwards by means of a rod 26 carrying belt forks 25 and urged by springs 27 into mid-position, the movement of the rod 26 in one or other direction by a hand lever 34 moving one or other of the driving belts on to the pulley 18. The ends of the door &c. are engaged by jaws 30 operated by screws 31 and hand wheels 32.
GB2852733A 1933-10-16 1933-10-16 Improvements in machines for cramping doors and the like Expired GB409590A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2852733A GB409590A (en) 1933-10-16 1933-10-16 Improvements in machines for cramping doors and the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2852733A GB409590A (en) 1933-10-16 1933-10-16 Improvements in machines for cramping doors and the like

Publications (1)

Publication Number Publication Date
GB409590A true GB409590A (en) 1934-05-03

Family

ID=10277043

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2852733A Expired GB409590A (en) 1933-10-16 1933-10-16 Improvements in machines for cramping doors and the like

Country Status (1)

Country Link
GB (1) GB409590A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391423A (en) * 1981-03-30 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Satellite retrieval system
GB2233027A (en) * 1989-05-17 1991-01-02 Richard Peter Roper Clamping device
CN113084423A (en) * 2021-03-31 2021-07-09 柳州市银翔机械有限责任公司 Telescopic boom forklift frame tailor-welding positioning tool clamp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4391423A (en) * 1981-03-30 1983-07-05 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Satellite retrieval system
GB2233027A (en) * 1989-05-17 1991-01-02 Richard Peter Roper Clamping device
GB2233027B (en) * 1989-05-17 1993-05-12 Richard Peter Roper Clamping device
CN113084423A (en) * 2021-03-31 2021-07-09 柳州市银翔机械有限责任公司 Telescopic boom forklift frame tailor-welding positioning tool clamp
CN113084423B (en) * 2021-03-31 2023-05-26 柳州市银翔机械有限责任公司 Welding positioning fixture for frame of telescopic boom forklift

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