GB743297A - Improvements relating to bolt fastenings - Google Patents

Improvements relating to bolt fastenings

Info

Publication number
GB743297A
GB743297A GB2446353A GB2446353A GB743297A GB 743297 A GB743297 A GB 743297A GB 2446353 A GB2446353 A GB 2446353A GB 2446353 A GB2446353 A GB 2446353A GB 743297 A GB743297 A GB 743297A
Authority
GB
United Kingdom
Prior art keywords
bolt
frame
linkage
door
extremity
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
GB2446353A
Inventor
John Jones
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.)
Faulkner & Morrogh Ltd
Original Assignee
Faulkner & Morrogh 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 Faulkner & Morrogh Ltd filed Critical Faulkner & Morrogh Ltd
Priority to GB2446353A priority Critical patent/GB743297A/en
Publication of GB743297A publication Critical patent/GB743297A/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
    • E05C1/00—Fastening devices with bolts moving rectilinearly
    • E05C1/02—Fastening devices with bolts moving rectilinearly without latching action
    • E05C1/06—Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt
    • E05C1/065—Fastening devices with bolts moving rectilinearly without latching action with operating handle or equivalent member moving otherwise than rigidly with the bolt flush

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

743,297. Bolt fastenings. FAULKNER & MORROGH,Ltd. Sept. 6, 1954 [Sept. 4, 1953], No. 24463/53. Class 44. In a door bolt assembly adapted to be let into a door to lie flush therewith and co-operate with a socket member in the door frame and of the kind comprising a barlike frame a with an angle-shaped extremity a<SP>1</SP> with which frame and extremity a bolt b is adapted to slidingly co-operate and be actuated by means of a lever or thumb bit c pivotally mounted in an opening a<SP>3</SP> of the frame, an inner extremity of the lever or bit being connected by linkage d tc the bolt under spring influence tc automatically secure. the bolt in the protruding or retracted positions, the spring influence is provided by a mechanism comprising two interengaging hollow cylinders, cups or the like g<SP>1</SP>, g2 incorporating a compression spring g such as an ordinary compression coiled or helical spring, the mechanism being introduced between an abutment b<SP>3</SP> on or carried by the sliding bolt and a part of the linkage d. As shown, hollow cylinders are used and these have convex ends which engage concavities in the abutment b3 and linkage d.
GB2446353A 1953-09-04 1953-09-04 Improvements relating to bolt fastenings Expired GB743297A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2446353A GB743297A (en) 1953-09-04 1953-09-04 Improvements relating to bolt fastenings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2446353A GB743297A (en) 1953-09-04 1953-09-04 Improvements relating to bolt fastenings

Publications (1)

Publication Number Publication Date
GB743297A true GB743297A (en) 1956-01-11

Family

ID=10212096

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2446353A Expired GB743297A (en) 1953-09-04 1953-09-04 Improvements relating to bolt fastenings

Country Status (1)

Country Link
GB (1) GB743297A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099751A (en) * 1976-08-26 1978-07-11 Hartwell Corporation Pin latch structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4099751A (en) * 1976-08-26 1978-07-11 Hartwell Corporation Pin latch structure

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