Patent ID: 9617765
Date: 2017-04-11
CPC Classifications: E05B,E05C

Claim:
1. A sash lock comprising a housing, a bolt, a plunger defining a pair of opposing ends, said bolt and said plunger positioned within said housing, a coupling defining a groove with a pair of angularly biased faces, said groove complementarily sized and shaped for receiving one of said plunger ends therein, wherein said groove defines a third angularly biased face, the angle of said third biased face different from said pair of angularly biased faces, said bolt in communication with said plunger via said coupling, whereby longitudinal displacement of said plunger produces frictional engagement of said third angularly biased face with one of said plunger ends, resulting in lateral displacement of said coupling until said one of said plunger ends disengages said third angularly biased face and engages said pair of said angularly biased faces.