US 7,487,700 B2
Lockable torque-limiting driver and method
Brian James Cutler, Rowland Heights, Calif. (US); and Charles Parkin Davis, Torrance, Calif. (US)
Assigned to California Torque Products, Irwindale, Calif. (US)
Filed on Apr. 14, 2006, as Appl. No. 11/279,752.
Claims priority of provisional application 60/674785, filed on Apr. 26, 2005.
Prior Publication US 2006/0236826 A1, Oct. 26, 2006
Int. Cl. B25B 23/143 (2006.01)
U.S. Cl. 81—475  [81/467] 10 Claims
OG exemplary drawing
 
1. A lockable torque-limiting driver comprising: a body; a sleeve carried by said body; a shaft carried by said body for rotation relative thereto and having a fastener-engaging tip at one end that projects from the body; torque-limiting means coupled to said shaft and housed within said body; torque-adjusting means within said body and coupled to said torque-limiting means for adjusting the torque-limiting means to a desired torque value, wherein the torque-adjusting means comprises an adjustment plug; and, torque-locking means operably coupled with said torque-adjusting means and said body for preventing movement of said torque-determining means and locking the settable torque-limiting driver at the desired torque value, wherein the torque-locking means comprises a locking plate with an adjustment plug-engaging portion and a body-engaging portion.