Lock for horizontal sliding window
OwnerEugene R. Beardinventor
Life of this patent
Estimating the term…
Abstract
A lock for a horizontally sliding window including a base member attached to a window sill and a catch member slidably mounted on said base member for movement between a locked and unlocked position. The sliding catch member includes a window rail barrier portion for preventing horizontal sliding of a moveable window sash and a catch portion for preventing vertical movement of the slidable window sash to prevent removal of the entire window sash from the outside of a building.
Claims3
A lock for a window having a fixed sash and a horizontally slidable sash formed with a stile and a lower rail mounted within a frame including a sill member, said lock comprising:
- a. a base member including a base portion, front and rear stop members attached to said base portion and guide members attached to said front stop member;
- b. a catch member mounted in sliding registration with said base member between unlocked and locked positions including,
- (1) a support portion,
- (2) a rear abutment portion connected to said support portion mounted for engagement with said rear stop member,
- (3) a front abutment portion connected to said support portion mounted for engagement with said front stop member,
- (4) a catch portion mounted on said support portion positioned in sliding registration with one of said guide members and positioned for engagement with said bottom rail in said locked position;
- (5) a barrier member mounted on said support portion positioned in sliding registration with the other of said guide members and positioned for engagement with said stile in said locked position,
- (6) a finger engageable control member connected to said catch member for movement of said catch member between said unlocked and locked positions;
- and
- c. means attaching said base member to said sill member.
Dependencies are inferred from the claim text.