Closure fasteners – Bolts – Sliding
Patent
1982-09-29
1985-07-16
Smith, Gary L.
Closure fasteners
Bolts
Sliding
292150, 292254, 29234116, 70279, 70283, E05C 112
Patent
active
045292345
ABSTRACT:
A door locking assembly in which the latching mechanism of the assembly comprises a latch bolt operated by rotary means, which can be the door knob or a key operated tumbler, for normally operating the latch bolt, dead lock means for blocking the retraction of the latch bolt, auxiliary latch means having link means normally urging it into a position for moving the dead lock means out of latch bolt blocking position, electrically operable means cooperating with the latching mechanism for controlling the auxiliary latch means, lock bar means operative to prevent turning of the rotary means, and an operating element connected between the lock bar and the link means for the auxiliary latch means for determining the operative position of the lock bar means in relation to the position of the dead lock means relative to the latch bolt.
REFERENCES:
patent: 1243433 (1917-10-01), Lurie
patent: 1244443 (1917-10-01), Hurd
patent: 1270468 (1918-06-01), Voight
patent: 1272915 (1918-07-01), Cleaver
patent: 2798751 (1957-07-01), Walden
patent: 3890608 (1975-06-01), Peterson
patent: 3917329 (1975-11-01), Fujiki et al.
patent: 4132439 (1979-01-01), Millar
patent: 4390197 (1983-06-01), Butts
Architectural Control Systems Incorporated
Dubnicka Thomas J.
Smith Gary L.
LandOfFree
Electrical operating means for door lock mechanisms does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Electrical operating means for door lock mechanisms, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electrical operating means for door lock mechanisms will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1732728