Back to results
US 5,176,416 AGranted
Auxiliary lock
OwnerJui-Chang Lininventor
Life of this patent
Estimating the term…
Abstract
An auxiliary lock has an actuating plate provided with an arm to push two teeth in a pulling plate to extend out or retract in a dead bolt. The actuating plate has two straight sides forming a 90.degree. to selectively contact the middle portion of a plate spring, which has one moveable and a fixed end.
Claims5
An auxiliary lock comprising:
- a) a cylindrical shell including a bottom end provided with a straight opening therethrough;
- b) a dead bolt housed in the cylindrical shell;
- c) a pulling plate connected to the dead bolt for back and forth movement together, the pulling plate protruding out of the straight opening in the cylindrical shell and including two spaced actuating teeth bent towards one side, a position tooth disposed between the actuating teeth and bent towards an opposite side;
- d) an actuating plate including an arm having an end, the end of the arm being engaged within the space between the two actuating teeth for movement therein;
- and
- e) an assembling plate means provided with a straight slot therein, the position tooth being engaged within the straight slot, whereby upon rotation of the actuating plate, the end of the arm is caused to push either of the two actuating teeth and thereby cause the pulling plate to move in either of two corresponding directions in a straight line.
3 more elements
Dependencies are inferred from the claim text.