Lock

Details Lock Lock

1989-10-16

1991-09-03

Smith, Gary L.

Locks

Operating mechanism

Using a powered device

70107, 70370, E05B 4700

Patent

active

050441841

ABSTRACT:
The profiled cylinder (38) seated in an insertion opening (87) of the lock housing (7) is guided by a retaining bracket (93) and fixed centrally by a detent pin (121) on the retaining bracket (93). The detent pin (121) is guided displaceably on a slide piece (103) and initially stressed by a spring (131) towards the profiled cylinder (38). The profiled cylinder (38) contains a reading device for en electronic key, which device is connected through a plug-in connection (89) with an electronic circuit of the lock. The plug-in connection (89) and the detent pin (121) are so adapted to one another that the detent pin (121) firstly fixes the profiled cylinder (38) on the pedestal (93) before the slide piece (103) guided in centered manner in relation to the pedestal (93) closes the plug-in connection (89). In this way defects of alignment of the plug-in connection (89) and damage to its contact elements (107, 109 ) are avoided.

REFERENCES:
patent: 3148525 (1964-09-01), Durant
patent: 3242706 (1966-03-01), Check
patent: 3266276 (1966-08-01), Yulkowski
patent: 3672714 (1972-06-01), Schultz
patent: 3769822 (1973-11-01), Yulkowski
patent: 3992908 (1976-11-01), Crepinsek
patent: 4037440 (1977-07-01), Shabtai et al.
patent: 4572556 (1986-02-01), Foshee
patent: 4730471 (1988-03-01), Seckinger et al.
patent: 4840050 (1989-06-01), Gotanda

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