Door handle-mounted eurocylinder-type assembly for electronic lo

Details Door handle-mounted eurocylinder-type assembly for electronic lo Door handle-mounted eurocylinder-type assembly for electronic lo

1995-05-16

1997-11-11

Gall, Lloyd A.

Locks

Special application

For control and machine elements

70278, 70283, 292144, 292356, 292357, E05B 1310

Patent

active

056851820

ABSTRACT:
A handle-operated lock and latch assembly for interfacing a Eurocylinder type of electronic lock with a rose-accessible door lock/latch mechanism employs a handle of the type used in a mechanical handle-actuated door latch, but in which the shank portion of the handle is modified to include a cavity that accommodates a Eurocylinder-configured electronic lock. The original rose is replaced by a rose having a slightly larger circular aperture, so that it may receive a rotatable collar that is configured to engage the modified handle shank, whereby the handle and the collar are rotatable relative to the rose, with the cam of the electronic lock being inserted into the door's existing lock spindle mechanism. In addition to physically interfacing the modified handle with the rose, the collar provides an annular passageway that accommodates a flex circuit ribbon extending from the electronic lock through the collar and the rose for electrical connection between the electronic lock and control circuitry external to the lock. The flex circuit ribbon has a segmented meandering shape, that allows it to form a loop around the lock spindle, which is capable of expanding and contracting around the lock spindle as the handle and collar rotate relative to the rose during operation of the door latch.

REFERENCES:
patent: 2105304 (1938-01-01), Wagner
patent: 3967846 (1976-07-01), Schlage
patent: 4504087 (1985-03-01), Pennington
patent: 4655059 (1987-04-01), Best et al.
patent: 5018375 (1991-05-01), Tully
patent: 5398531 (1995-03-01), Shen

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