GB818907A - Improvements in or relating to door latches - Google Patents

Improvements in or relating to door latches

Info

Publication number
GB818907A
GB818907A GB2435457A GB2435457A GB818907A GB 818907 A GB818907 A GB 818907A GB 2435457 A GB2435457 A GB 2435457A GB 2435457 A GB2435457 A GB 2435457A GB 818907 A GB818907 A GB 818907A
Authority
GB
United Kingdom
Prior art keywords
beak
pin
slide
arm
rack
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
GB2435457A
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 GB2435457A priority Critical patent/GB818907A/en
Publication of GB818907A publication Critical patent/GB818907A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C3/00—Fastening devices with bolts moving pivotally or rotatively
    • E05C3/12—Fastening devices with bolts moving pivotally or rotatively with latching action
    • E05C3/14—Fastening devices with bolts moving pivotally or rotatively with latching action with operating handle or equivalent member rigid with the latch

Landscapes

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

Abstract

818,907. Door latches. TISSOT, W. July 31, 1957, No. 24354/57. Class 44 A latch such as a door latch comprises a frame including a securing plate 1 provided with a pair of lugs braced by a pin 4 on which is pivotally supported against the action of a return spring 20, a bolt 5 having a handle 6 and a beak 10 adapted to be secured at an adjustable distiance from said pin, the beak having a primary rack 15 engaging a secondary rack 16 provided on an arm 17 which is pivotally supported by the frame the latter serving as an abutment for one end of the return spring the other end of which presses the secondary rack against the primary rack so as to hold the beak at the required distance. The beak 10 is formed at one end of a slide 9 which is I-shaped in cross section, the web of the slide engaging a longitudinal slot in the remainder of the bolt so that the beak can be adjusted in relation to the pin 4. The arm 17 is pivoted to the frame by means of the pin 4. By manually depressing the arm 17 against the resistance of the spring 20 the slide can be adjusted to any desired position whereupon release of the arm engages the two racks to maintain the slide in the desired position.
GB2435457A 1957-07-31 1957-07-31 Improvements in or relating to door latches Expired GB818907A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2435457A GB818907A (en) 1957-07-31 1957-07-31 Improvements in or relating to door latches

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2435457A GB818907A (en) 1957-07-31 1957-07-31 Improvements in or relating to door latches

Publications (1)

Publication Number Publication Date
GB818907A true GB818907A (en) 1959-08-26

Family

ID=10210397

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2435457A Expired GB818907A (en) 1957-07-31 1957-07-31 Improvements in or relating to door latches

Country Status (1)

Country Link
GB (1) GB818907A (en)

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