G - Physics – 04 – C
Patent
G - Physics
04
C
58/42
G04C 23/38 (2006.01) E05B 43/00 (2006.01)
Patent
CA 1251938
ABSTRACT OF THE DISCLOSURE A two movement time lock for bank vault doors and the like including a lock case for enclosing the timer units and a cover having transparent portions through which the dials of the timer units can be viewed. A pivoted integral locking lever of generally inverted distorted "T" shaped configuration has a pair of oppositely extending foot formations to be engaged and moved by trip formations of the timer units and a spring biased lever is interlinked with the locking lever above the pivot for normally positioning the locking lever at a cocked position when timer unit dials are displaced from the zero position. A pivoted snubber-bar blocking lever in the lock case is normally spring biased to a release position freeing a snubber bar to move to an unlocking position and a spring biased plunger has a first plunger position for forcing the blocking lever to snubber-bar blocking position and has a portion engagable by the locking lever for releasably restraining the plunger in such position when the locking lever is in cocked position.
504907
Evans Walter R.
Krivec Bert
Murphree Gary R.
Macrae & Co.
Sargent & Greenleaf Inc.
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