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GB163836A - Improvements in and relating to pneumatic door checks and like devices - Google Patents

Improvements in and relating to pneumatic door checks and like devices

Info

Publication number
GB163836A
GB163836A GB688720A GB688720A GB163836A GB 163836 A GB163836 A GB 163836A GB 688720 A GB688720 A GB 688720A GB 688720 A GB688720 A GB 688720A GB 163836 A GB163836 A GB 163836A
Authority
GB
United Kingdom
Prior art keywords
rod
door
relating
devices
pneumatic door
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
GB688720A
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 GB688720A priority Critical patent/GB163836A/en
Publication of GB163836A publication Critical patent/GB163836A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F5/00—Braking devices, e.g. checks; Stops; Buffers
    • E05F5/02—Braking devices, e.g. checks; Stops; Buffers specially for preventing the slamming of swinging wings during final closing movement, e.g. jamb stops

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

163,836. Woolliscroft, J. H. March 6, 1920. Checks.-A pneumatic door check consists of a cylinder 1, with an air valve 10, mounted on one member of the door, in which slides a rubber ball 9 held in a piston 8 with a rod 3 surrounded by a volute spring 13 in order to allow angular motion of the rod relative to the axis of the cylinder. The end of the rod has a buffer 5 and a collar 6 which co-operates with a clip 7 fixed on the other door member. On opening the door, the piston is withdrawn to the end of its stroke by the clip 7 assisted by a spring 11, whereupon the rod is slightly rocked to free the collar, the rod being restored to its central position by the volute spring.
GB688720A 1920-03-06 1920-03-06 Improvements in and relating to pneumatic door checks and like devices Expired GB163836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB688720A GB163836A (en) 1920-03-06 1920-03-06 Improvements in and relating to pneumatic door checks and like devices

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB688720A GB163836A (en) 1920-03-06 1920-03-06 Improvements in and relating to pneumatic door checks and like devices

Publications (1)

Publication Number Publication Date
GB163836A true GB163836A (en) 1921-06-02

Family

ID=9822592

Family Applications (1)

Application Number Title Priority Date Filing Date
GB688720A Expired GB163836A (en) 1920-03-06 1920-03-06 Improvements in and relating to pneumatic door checks and like devices

Country Status (1)

Country Link
GB (1) GB163836A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817993A1 (en) 2000-12-08 2002-06-14 S E D I P P S OPENING SHOCK ABSORBER, IN PARTICULAR DOOR OR DRAWER DAMPER
CN111706197A (en) * 2020-08-09 2020-09-25 周春荣 Wall fixed movable door closing device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2817993A1 (en) 2000-12-08 2002-06-14 S E D I P P S OPENING SHOCK ABSORBER, IN PARTICULAR DOOR OR DRAWER DAMPER
CN111706197A (en) * 2020-08-09 2020-09-25 周春荣 Wall fixed movable door closing device

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