GB789007A - Spring door operating device - Google Patents

Spring door operating device

Info

Publication number
GB789007A
GB789007A GB35259/54A GB3525954A GB789007A GB 789007 A GB789007 A GB 789007A GB 35259/54 A GB35259/54 A GB 35259/54A GB 3525954 A GB3525954 A GB 3525954A GB 789007 A GB789007 A GB 789007A
Authority
GB
United Kingdom
Prior art keywords
door
crank
closed
open
dec
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
GB35259/54A
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.)
C Van der Lely NV
Original Assignee
C Van der Lely NV
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 C Van der Lely NV filed Critical C Van der Lely NV
Publication of GB789007A publication Critical patent/GB789007A/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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1008—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring parallel with the pivot axis

Landscapes

  • Closures For Containers (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

789,007. Door opening appliances, VAN DER LELY N.V., C. Dec. 6, 1954 [Dec. 8, 1953], No. 35259/54. Class 65(1) Means for keeping a door 1 closed in the closed position and open in the open position, comprises a crank 11 pivoted about an axis 12 parallel to the hinge axis 4 of the door, spring means for biasing the crank uni-directionally. and a coupling bar 8 which connects the free end of the crank either to an arm 7 fixed to the door or to a projecting element of the door, the arrangement being such that the pivotal connection 9 between bar 8 and the door lies on opposite sides of a line joining the hinge axis 4 and the pivotal connection 10 at the free end of the crank in the closed and open positions of the door respectively, and the crank occupies the same position in both the closed and open positions. A fluid or like check may be provided.
GB35259/54A 1953-12-08 1954-12-06 Spring door operating device Expired GB789007A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL789007X 1953-12-08

Publications (1)

Publication Number Publication Date
GB789007A true GB789007A (en) 1958-01-15

Family

ID=19832359

Family Applications (1)

Application Number Title Priority Date Filing Date
GB35259/54A Expired GB789007A (en) 1953-12-08 1954-12-06 Spring door operating device

Country Status (1)

Country Link
GB (1) GB789007A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154015B (en) * 1957-07-05 1963-09-05 Kaessbohrer Fahrzeug Karl Locking device for a wing that can be pivoted about an axis, in particular for bus windows

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1154015B (en) * 1957-07-05 1963-09-05 Kaessbohrer Fahrzeug Karl Locking device for a wing that can be pivoted about an axis, in particular for bus windows

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