GB171768A - Improvements in permutation locks - Google Patents

Improvements in permutation locks

Info

Publication number
GB171768A
GB171768A GB2417120A GB2417120A GB171768A GB 171768 A GB171768 A GB 171768A GB 2417120 A GB2417120 A GB 2417120A GB 2417120 A GB2417120 A GB 2417120A GB 171768 A GB171768 A GB 171768A
Authority
GB
United Kingdom
Prior art keywords
bolt
rings
ring
dial plate
stud
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
GB2417120A
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 GB2417120A priority Critical patent/GB171768A/en
Publication of GB171768A publication Critical patent/GB171768A/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

Landscapes

  • Steering Controls (AREA)
  • Lock And Its Accessories (AREA)

Abstract

171,768. Elcock, R. Aug. 19, 1920. Guarding against unauthorized use.-The bolt of a permutation lock has to be disengaged from one of a series of gated rings, nested within each other, by being pushed forwards. before the rings can be set to allow the bolt to be withdrawn. Fig. 1 illustrates the lock applied to the steering- pillar of a motor-vehicle. The bolt 13 slides in the hollow screw 4 and the dial plate 11, mounted in a seating 3 secured to the steering-column 1. Pivoted on the bolt is a projecting member 17, which prevents withdrawal of the bolt when obstructed by the rings 18, 26, 25. Each of these rings has a gate, and when set in a predetermined position, the member 17 can pass through them. The rings are mounted one within the other, the outer one 18 being fixed to, or integral with, the casing and projecting inwards beyond the edge of the other two, its projecting-edge having false gates 19 cut in it. The bolt is rotatable by means of the engagement of its square head 20 in a hole in the dial plate 11. To set the rings for releasing the bolt, the member 17 is disengaged from the notch 19 in which it is resting, by pressing the bolt in the locking direction. The dial plate 11 can then be rotated, a stud on it engaging a stud 31 on the ring 25, and a lug 32 on this engaging a stud 33 on the ring 26. Turning the plate 11 by a certain amount first in one direction and then in the other, sets the gates 28, 27 of the rings 26, 25 under that, 24, of the fixed ring 18, and a final turn of the plate brings the member 17 into position to pass through the gates, allowing the bolt to be withdrawn. The member 17 can tilt forwards, enabling the bolt to be shot in any position of the rings. Its shoulder 40 engages a recess in the flange 39 of the bolt to resist pressure in the unlocking direction. Fig. IV shows a modification in which the bolt is non-rotatable and the outer ring 18 rotatable. In this case, the ring 25 is made fast to the dial plate 11 so that the rings are set in the same manner as before.
GB2417120A 1920-08-19 1920-08-19 Improvements in permutation locks Expired GB171768A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2417120A GB171768A (en) 1920-08-19 1920-08-19 Improvements in permutation locks

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2417120A GB171768A (en) 1920-08-19 1920-08-19 Improvements in permutation locks

Publications (1)

Publication Number Publication Date
GB171768A true GB171768A (en) 1921-11-21

Family

ID=10207516

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2417120A Expired GB171768A (en) 1920-08-19 1920-08-19 Improvements in permutation locks

Country Status (1)

Country Link
GB (1) GB171768A (en)

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