GB987314A - Improvements in or relating to clamping devices - Google Patents

Improvements in or relating to clamping devices

Info

Publication number
GB987314A
GB987314A GB238663A GB238663A GB987314A GB 987314 A GB987314 A GB 987314A GB 238663 A GB238663 A GB 238663A GB 238663 A GB238663 A GB 238663A GB 987314 A GB987314 A GB 987314A
Authority
GB
United Kingdom
Prior art keywords
tube
jaw
scaffolding
projection
affixed
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
GB238663A
Inventor
Reginald Frank Warry
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.)
MARTIN HOIST AND ENGINEERING C
Original Assignee
MARTIN HOIST AND ENGINEERING C
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 MARTIN HOIST AND ENGINEERING C filed Critical MARTIN HOIST AND ENGINEERING C
Priority to GB238663A priority Critical patent/GB987314A/en
Publication of GB987314A publication Critical patent/GB987314A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/24—Safety or protective measures preventing damage to building parts or finishing work during construction
    • E04G21/26—Strutting means for wall parts; Supports or the like, e.g. for holding in position prefabricated walls

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

987,314. Clamp fastenings; scaffolding. MARTIN HOIST & ENGINEERING CO. Ltd. Jan. 3, 1964 [Jan. 18, 1963], No. 2386/63. Headings E1S and E2B. [Also in Division B4] A clamping device, adapted to be applied to one end of a length of tube 19, Fig. 1 comprises a fixed jaw 12 adapted to be engaged over a projection 20 and a movable jaw 14, and incorporates means such that when the device is applied to the tube and the fixed jaw 12 engaged over the projection 20 rotation of the tube 19 in an appropriate direction about its longitudinal axis results in the movable jaw being moved towards the fixed jaw to grip the projection therebetween. As shown, Fig. 2, the fixed jaw 12 is hooked, and is affixed to the end of a rod or tube 10 on which a sleeve 13 carrying the movable jaw 14 is slidably mounted. The jaw 14 is held in alignment with jaw 12 by a bolt 16 on the rod or tube 10 and a slot 15 in the sleeve 13. At its opposite end to the jaw 12 the rod or tube 10 is threaded, and carries a threaded socket element 17 affixed to an attachment 18 whereby the whole device may be affixed to the end of the scaffolding tube 19. In operation the device is affixed to the end of the scaffolding tube 19 and the jaw 12 hooked over a projection 20 on a vertical scaffolding element 21. The scaffolding tube 19 is then rotated about its longitudinal, axis so that the socket element 17 is threaded further onto the rod or tube 10, and the sleeve 13 is advanced by the element 17 so that the jaw 14 engages the projection 20 and the projection is gripped between the jaws 12 and 14. The scaffolding tube 19 is thus securely coupled to the vertical element 21 and may act as a brace therefor, e.g. the scaffolding tube may be used to brace the upright of a hoist. Specifications 905,928 and 905,929 are referred to.
GB238663A 1963-01-18 1963-01-18 Improvements in or relating to clamping devices Expired GB987314A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB238663A GB987314A (en) 1963-01-18 1963-01-18 Improvements in or relating to clamping devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB238663A GB987314A (en) 1963-01-18 1963-01-18 Improvements in or relating to clamping devices

Publications (1)

Publication Number Publication Date
GB987314A true GB987314A (en) 1965-03-24

Family

ID=9738641

Family Applications (1)

Application Number Title Priority Date Filing Date
GB238663A Expired GB987314A (en) 1963-01-18 1963-01-18 Improvements in or relating to clamping devices

Country Status (1)

Country Link
GB (1) GB987314A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593422A (en) * 1983-07-29 1986-06-10 Spectro Industries, Inc. Telescoping wing nut clamping unit
US4871278A (en) * 1987-05-27 1989-10-03 Uhde Gmbh Bolt-operated clamping device
GB2256392A (en) * 1991-05-15 1992-12-09 Andrew Robert Holt Tool for opening and closing windows.
GB2231081B (en) * 1989-05-05 1993-10-27 James Richard Read Ladder extending device
FR2776004A1 (en) * 1998-03-13 1999-09-17 Eurobress Sarl Soc Shuttering panel forming openings in concrete
GB2351527A (en) * 1999-03-18 2001-01-03 Thames Water Utilities Remote fitting of a split clamp
GB2379473A (en) * 2001-02-15 2003-03-12 Paul Roy Miles Window opening pole

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4593422A (en) * 1983-07-29 1986-06-10 Spectro Industries, Inc. Telescoping wing nut clamping unit
US4871278A (en) * 1987-05-27 1989-10-03 Uhde Gmbh Bolt-operated clamping device
GB2231081B (en) * 1989-05-05 1993-10-27 James Richard Read Ladder extending device
GB2256392A (en) * 1991-05-15 1992-12-09 Andrew Robert Holt Tool for opening and closing windows.
GB2256392B (en) * 1991-05-15 1995-01-25 Andrew Robert Holt Device for opening and closing windows
FR2776004A1 (en) * 1998-03-13 1999-09-17 Eurobress Sarl Soc Shuttering panel forming openings in concrete
GB2351527A (en) * 1999-03-18 2001-01-03 Thames Water Utilities Remote fitting of a split clamp
GB2379473A (en) * 2001-02-15 2003-03-12 Paul Roy Miles Window opening pole
GB2379473B (en) * 2001-02-15 2004-04-07 Paul Roy Miles Window opening poles

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