[go: up one dir, main page]

GB722927A - Improvements in or relating to door operating mechanisms - Google Patents

Improvements in or relating to door operating mechanisms

Info

Publication number
GB722927A
GB722927A GB1182252A GB1182252A GB722927A GB 722927 A GB722927 A GB 722927A GB 1182252 A GB1182252 A GB 1182252A GB 1182252 A GB1182252 A GB 1182252A GB 722927 A GB722927 A GB 722927A
Authority
GB
United Kingdom
Prior art keywords
door operating
relating
operating mechanisms
chain
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
GB1182252A
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.)
EXPRESS LIFT CO Ltd
Original Assignee
EXPRESS LIFT CO 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 EXPRESS LIFT CO Ltd filed Critical EXPRESS LIFT CO Ltd
Priority to GB1182252A priority Critical patent/GB722927A/en
Publication of GB722927A publication Critical patent/GB722927A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B13/00—Doors, gates, or other apparatus controlling access to, or exit from, cages or lift well landings
    • B66B13/02—Door or gate operation
    • B66B13/06—Door or gate operation of sliding doors

Landscapes

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

Abstract

722,927. Door operating mechanism. EXPRESS LIFT CO., Ltd., and DIXIE, W. A. May 1, 1953 [May 9, 1952], No. 11822/52. Drawings to Specification. Class 65 (1). A pair of doors moving vertically in opposite directions are interconnected by chains passing over pulleys as described in Specification 722,928. The chains relate to the chain 26 passing round a sprocket beneath the door opening to ensure that the upper door follows the lower in closing ; this chain may be duplicated at the other side of the doors.
GB1182252A 1952-05-09 1952-05-09 Improvements in or relating to door operating mechanisms Expired GB722927A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1182252A GB722927A (en) 1952-05-09 1952-05-09 Improvements in or relating to door operating mechanisms

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1182252A GB722927A (en) 1952-05-09 1952-05-09 Improvements in or relating to door operating mechanisms

Publications (1)

Publication Number Publication Date
GB722927A true GB722927A (en) 1955-02-02

Family

ID=9993329

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1182252A Expired GB722927A (en) 1952-05-09 1952-05-09 Improvements in or relating to door operating mechanisms

Country Status (1)

Country Link
GB (1) GB722927A (en)

Similar Documents

Publication Publication Date Title
GB466466A (en) Improvements in or relating to sliding doors
GB722927A (en) Improvements in or relating to door operating mechanisms
GB672928A (en) Improvements in stops for doors, gates and the like
GB913005A (en) Improvements in and relating to doors for freight carrying aircraft
GB457316A (en) Improvements relating to disappearing doors for tray cabinets and the like
GB684779A (en) Improvements in fire resisting doors
GB687786A (en) A new or improved sliding panel unit
GB722928A (en) Improvements in or relating to door operating mechanisms
GB584634A (en) Improvements in and connected with serving hatch doors and the like
GB736925A (en) Improvements in or relating to overhead sliding door gear
GB591014A (en) Improvements in or relating to the doors or gates of lifts and hoists
GB916713A (en) Improvements in or relating to solid fuel stoves
GB809159A (en) Improvements in or relating to sliding doors
GB631501A (en) Improvements in locking devices for windows
GB854522A (en) Improvements relating to vertically-slidable doors
GB640307A (en) Improvements in closure for cabinets
GB532151A (en) Improvements in and relating to stay and fastening devices for pivotal windows
GB795571A (en) Improvements in or relating to skips for guided skip hoists
GB731278A (en) Improvements in or relating to double-acting gates or doors
AU1210423A (en) Improvements in and connected with mechanism for opening 1 and closing gates, doors andthe like
GB631257A (en) Improvements in vehicle-actuated gates
GB751678A (en) Doors and means for securing them
GB638961A (en) Improvements connected with hinges for doors or the like
GB628694A (en) Improvements in and relating to shaft closings for lifts
GB143192A (en) Improvements in fastenings for sliding-doors