Plastic door lock

Details Plastic door lock Plastic door lock

E - Fixed Constructions

05

C

292/51

E05C 1/08 (2006.01) E05B 15/00 (2006.01) E05C 1/16 (2006.01)

Patent

CA 1061830

PLASTIC DOOR LOCK ABSTRACT OF THE DISCLOSURE A plastic door lock, sometimes referred to as a door latch, makes use of moldable plastic material for most of the individual parts of the lock assembly with opposite roses adapted to interlock with each other and be held together with a single screw on the axial center line of the knobs and accessible from the outside. When used as a privacy lock unlocking the lock from the outside is pre- vented by pushing the inside knob into a releasble but non- rotatable engagement with the inside rose. A lost motion connection between the latch bolt and roll back spindle allows the door to be closed without damage to the latch bolt when the inside knob is locked. Inherent resiliency in the material of the latch bolt case, in cooperation with the movable latch bolt, releasably returns and holds the latch bolt in extended position.

278883

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