E - Fixed Constructions – 05 – F
Patent
E - Fixed Constructions
05
F
E05F 11/12 (2006.01)
Patent
CA 2187606
A lock for a window includes a lock body mountable on the window frame having a base plate and a raised portion standing upwardly from the base plate. The raised portion is a hollow interior within which a lock handle projects and on which is mounted the lock handle for pivotal action about a pin transverse to the raised portion. The raised portion defines a substantially rectangular flat upper surface parallel to the base plate. The handle portion includes a flat plate acting as a cover for the rectangular upper surface together with a manually graspable arch shaped element projecting beyond the end of the plate portion. Within a recess underneath the arch shaped portion is provided a trigger latch engageable with a web across the hollow interior of the raised portion for latching the handle in a lowered lock position. The lock cooperates with a keeper on the window and holds the window against being forced open without being overcenter. The lock also co- operates with a bar carrying a plurality of spaced lock elements each cooperating with a respective keeper and connects to the bar either with a pivotal link or connects by a disk and socket connection which allow the bar to move along its length while the lock end moves in an arc.
Battison Williams Dupuis
Ellis Frederick
LandOfFree
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