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EP0262959A3 - Pneumatically operated lock having manual override feature - Google Patents

Pneumatically operated lock having manual override feature Download PDF

Info

Publication number
EP0262959A3
EP0262959A3 EP87308681A EP87308681A EP0262959A3 EP 0262959 A3 EP0262959 A3 EP 0262959A3 EP 87308681 A EP87308681 A EP 87308681A EP 87308681 A EP87308681 A EP 87308681A EP 0262959 A3 EP0262959 A3 EP 0262959A3
Authority
EP
European Patent Office
Prior art keywords
lock
manual override
bolt
pinion
override feature
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.)
Withdrawn
Application number
EP87308681A
Other languages
German (de)
French (fr)
Other versions
EP0262959A2 (en
Inventor
Raymond Bushnell
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
Publication of EP0262959A2 publication Critical patent/EP0262959A2/en
Publication of EP0262959A3 publication Critical patent/EP0262959A3/en
Withdrawn legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B51/00—Operating or controlling locks or other fastening devices by other non-mechanical means
    • E05B51/02—Operating or controlling locks or other fastening devices by other non-mechanical means by pneumatic or hydraulic means

Landscapes

  • Actuator (AREA)
  • Mechanical Control Devices (AREA)

Abstract

An air lock (10) operated by a pneumatic retraction system includes a manual override feature in the event that the pneumatic system fails. The manual override is accessed through a key-operated cylinder lock (36) that rotates a pinion (40). The pinion (40) mates with rack teeth (42) journalled in a lock bolt (16) which mates with a bolt receiver (18) to close the lock. When the pinion (40) is rotated the bolt (16) is urged against a biasing spring (26) lifting it out of the bolt receiver (18) thus opening the lock.
EP87308681A 1986-10-02 1987-09-30 Pneumatically operated lock having manual override feature Withdrawn EP0262959A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91472386A 1986-10-02 1986-10-02
US914723 1986-10-02

Publications (2)

Publication Number Publication Date
EP0262959A2 EP0262959A2 (en) 1988-04-06
EP0262959A3 true EP0262959A3 (en) 1988-11-02

Family

ID=25434705

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87308681A Withdrawn EP0262959A3 (en) 1986-10-02 1987-09-30 Pneumatically operated lock having manual override feature

Country Status (1)

Country Link
EP (1) EP0262959A3 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040390A (en) * 1989-11-16 1991-08-20 General Motors Corporation Lock and control assembly for a vehicle tailgate
US5857365A (en) * 1997-05-02 1999-01-12 Emhart Inc. Electronically operated lock

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE371511C (en) * 1923-03-16 Bertha Reimers Geb Ziegler safety lock
US2179495A (en) * 1938-12-29 1939-11-14 Alva B Court Door and hatch closure
US3950018A (en) * 1972-10-20 1976-04-13 Pickering John J Bolt locks for freight car, trailer truck and air cargo doors

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE371511C (en) * 1923-03-16 Bertha Reimers Geb Ziegler safety lock
US2179495A (en) * 1938-12-29 1939-11-14 Alva B Court Door and hatch closure
US3950018A (en) * 1972-10-20 1976-04-13 Pickering John J Bolt locks for freight car, trailer truck and air cargo doors

Also Published As

Publication number Publication date
EP0262959A2 (en) 1988-04-06

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Effective date: 19890503