GB1286352A - Improvements in or relating to fasteners - Google Patents

Improvements in or relating to fasteners

Info

Publication number
GB1286352A
GB1286352A GB3714870A GB3714870A GB1286352A GB 1286352 A GB1286352 A GB 1286352A GB 3714870 A GB3714870 A GB 3714870A GB 3714870 A GB3714870 A GB 3714870A GB 1286352 A GB1286352 A GB 1286352A
Authority
GB
United Kingdom
Prior art keywords
engage
resilient
trunnions
platforms
bearings
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
GB3714870A
Inventor
Sally Margaret Willey
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.)
Schema Ltd
Original Assignee
Schema Ltd
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 Schema Ltd filed Critical Schema Ltd
Priority to GB3714870A priority Critical patent/GB1286352A/en
Publication of GB1286352A publication Critical patent/GB1286352A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles
    • F16B2/185—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles using levers
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B65/00—Locks or fastenings for special use
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2/00—Friction-grip releasable fastenings
    • F16B2/02—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening
    • F16B2/18—Clamps, i.e. with gripping action effected by positive means other than the inherent resistance to deformation of the material of the fastening using cams, levers, eccentrics, or toggles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lock And Its Accessories (AREA)

Abstract

1286352 Releasable fastenings SCHEMA Ltd 31 July 1970 37148/70 Heading E2A A pivoted fastener is mounted in resilient bearings and has cam surfaces which cause it to snap between stable fastening and releasing positions. In the gate catch shown in Fig. 1, the catch-bolt 7 is of C-shape and is pivoted by trunnions 13 in bearings 10 of a plastics base 6 so that it may engage a striker plate 2. The cams 12 engage platforms 11 on the base to give a two-position stability, i.e. when faces 14a or 14b engage the platforms 11, the hooks 10 being resilient to accommodate the movement. The case hasp 18 shown in Figs. 3, 4, has trunnions 27 in resilient bearing hooks 25 and snap action is achieved by cam surfaces 33a, 33b. In the fastening position, an abutment surface 28b engages a keeper 21 the head 36 of which is pressed down to release.
GB3714870A 1970-07-31 1970-07-31 Improvements in or relating to fasteners Expired GB1286352A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB3714870A GB1286352A (en) 1970-07-31 1970-07-31 Improvements in or relating to fasteners

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3714870A GB1286352A (en) 1970-07-31 1970-07-31 Improvements in or relating to fasteners

Publications (1)

Publication Number Publication Date
GB1286352A true GB1286352A (en) 1972-08-23

Family

ID=10394147

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3714870A Expired GB1286352A (en) 1970-07-31 1970-07-31 Improvements in or relating to fasteners

Country Status (1)

Country Link
GB (1) GB1286352A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943919A1 (en) * 1979-10-31 1981-05-21 Bernhard 8071 Lenting Kessel Eccentric clamping device with tension bolt - formed lever with ends bent over engaging under tension bolt trunnions
WO2011087402A1 (en) * 2010-01-18 2011-07-21 Ojop Sweden Ab Over -centre fastener

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2943919A1 (en) * 1979-10-31 1981-05-21 Bernhard 8071 Lenting Kessel Eccentric clamping device with tension bolt - formed lever with ends bent over engaging under tension bolt trunnions
WO2011087402A1 (en) * 2010-01-18 2011-07-21 Ojop Sweden Ab Over -centre fastener

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee