Patent ID: 9644406
Date: 2017-05-09
CPC Classifications: E05C,E05D,E05Y,Y10T

Claim:
1. A window stop device adapted for limiting sliding movement of a window sash along a rail, said window stop device comprising: a restraining unit including a pair of clamping members that are adapted for flanking the rail; and a lever unit connected to said restraining unit and including a pair of pressing arms that are spaced apart from each other, said lever unit, being movable relative to said restraining unit between a locked position, where said clamping members are pressed respectively by said pressing arms to clamp tightly the rail therebetween so as to position said restraining unit relative to the rail, and an unlocked position, where said pressing arms are away from said clamping members so as to release said clamping members and to permit sliding movement of said restraining unit along the rail; wherein said lever unit further includes a connecting arm interconnecting said pressing arms and having a hole-defining surface that defines a positioning hole; and wherein said restraining unit further includes at least one guiding member connected to one of said clamping members, said guiding member extending through said positioning hole and abutting against said hole-defining surface when said lever unit is at the locked position so that said connecting arm biases resiliently said guiding member and pushes said one of said clamping members toward the other one of said clamping members.