GB311016A - Improvements in or relating to permutation or combination locks - Google Patents

Improvements in or relating to permutation or combination locks

Info

Publication number
GB311016A
GB311016A GB416628A GB416628A GB311016A GB 311016 A GB311016 A GB 311016A GB 416628 A GB416628 A GB 416628A GB 416628 A GB416628 A GB 416628A GB 311016 A GB311016 A GB 311016A
Authority
GB
United Kingdom
Prior art keywords
bolt
casing
spring
rings
permutation
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
GB416628A
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 GB416628A priority Critical patent/GB311016A/en
Publication of GB311016A publication Critical patent/GB311016A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B37/00—Permutation or combination locks; Puzzle locks
    • E05B37/02—Permutation or combination locks; Puzzle locks with tumbler discs or rings arranged on a single axis, each disc being adjustable independently of the others

Landscapes

  • Insertion Pins And Rivets (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Surgical Instruments (AREA)

Abstract

311,016. Higgins, E. L. Feb. 9, 1928. Addition to 256,696, Locking sliding latches; locks, cases for; locks, permutation; sliding bolts. - In a permutation lock as claimed in the parent Specification accidental alteration of the combination is prevented by making the frictional engagement between each indicating ring 14 and the corresponding locking ring 11 so great that relative displacement can only be obtained by the use of a spanner or like instrument. The casing 1 is cut away to expose sufficient of the indication rings for engagement, by the spanner &c.. to cooperate with which each ring is provided with notches 15. A spring 16 is provided to engage the notches 15, Fig. 3, to prevent accidental movement of the rings and to facilitate correct positioning of the rings when releasing the lock. The projections 13 on the bolt may be in line, or angularly distributed as in the parent Specification, Rotation of tho bolt 4 is prevented by a pin 8 engaging a slot 9 in the casing. When released, the bolt may be moved by a fingerpiece 3 carried by a sleeve 6 slidable in the portion 7 of the casing, a spring 17 being interposed between the flanged inner end of the sleeve and a nut 18 on the tail of the bolt, so that if attempt be made to withdraw the bolt when locked, no greater force can be applied to the bolt and projections 13 than that due to compression of the spring.
GB416628A 1928-02-09 1928-02-09 Improvements in or relating to permutation or combination locks Expired GB311016A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB416628A GB311016A (en) 1928-02-09 1928-02-09 Improvements in or relating to permutation or combination locks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB416628A GB311016A (en) 1928-02-09 1928-02-09 Improvements in or relating to permutation or combination locks

Publications (1)

Publication Number Publication Date
GB311016A true GB311016A (en) 1929-05-09

Family

ID=9771948

Family Applications (1)

Application Number Title Priority Date Filing Date
GB416628A Expired GB311016A (en) 1928-02-09 1928-02-09 Improvements in or relating to permutation or combination locks

Country Status (1)

Country Link
GB (1) GB311016A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239041A (en) * 1989-12-12 1991-06-19 Granville Corker Bolt arrangement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2239041A (en) * 1989-12-12 1991-06-19 Granville Corker Bolt arrangement

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