06397477 is referenced by 57 patents and cites 2 patents.

Spring-assisted folding knife designs having a coil spring, cable, and spool arrangement for pivoting a blade from a retracted position to an extended position. Activation of the spring system can be accomplished a pushbutton mounted on the side of the knife's handle, or through depression of a locking lever carried on the back side of the handle. Once moved to the extended position, the blade is automatically locked in that position through the pushbutton mechanism in one embodiment, or, in the other embodiment, through a liner lock.

Title
Spring-assisted folding knife
Application Number
9/619451
Publication Number
6397477 (B1)
Application Date
July 19, 2000
Publication Date
June 4, 2002
Inventor
Walter W Collins
P.O. Box 100, North
SC, US
Agent
Leatherwood Walker Todd & Mann P C
US
IPC
B26B 1/04
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