E - Fixed Constructions – 05 – B
Patent
E - Fixed Constructions
05
B
92/19, 70/48
E05B 29/00 (2006.01)
Patent
CA 1123624
ABSTRACT OF THE DISCLOSURE There is disclosed a Bramah lock suitable for use on a safe-deposit box or an armored door in which the bolt of the locking mechanism is actuatable by bars which are disposed in serially arranged sets extending through the door to a keyhole and co-operable by abutment so that displacements of the bars relatively adjacent to the keyhole are not transmitted to bars relatively remote therefrom. An externally toothed gear coaxially of the barrel is operatively disposed between the barrel and the bolt for controlling the operation of the latter. There are a plurality of toothed sector members with slots in engagement with a fence plate when they are in alignment, the fence plate being driven by a check fence plate resiliently connected thereto and displaceable in response to the barrel motion so as to permit rotation of the barrel even if the fence member is not in engagement with the slots in the sector members.
299692
Fichet-Bauche
Swabey Ogilvy Renault
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