SPRING ASSIST KNIFE - BUCK KNIVES INC

Title:

SPRING ASSIST KNIFE

Document Type and Number:

WIPO Patent Application WO2004071250

Kind Code:

A3

Abstract:

A spring assist folding knife and method of biasing a blade in a folding knife. The folding knife includes a blade, liner, and handle. The blade includes a first recess for receiving a pivot pin. The blade includes a second recess offset from the axis of rotation. A latch cam having an offset pin is located relative to the second recess. The liner includes an arcuate slot in which the offset pin of the latch cam is located. The arcuate slot within the liner or handle also includes a convex extension. A spring is configured to provide a force in the direction of blade opening and provides the force throughout the entire range of blade motion. The spring applies its force to the offset pin to bias the blade in the closed position until the blade reaches a predetermined angle. Then the spring biases the blade to the open position.

More Like This:

JPS6014438	[Title of the device] Pocket knife
JP2005261944	UTILITY KNIFE

Inventors:

LINN ERIC P (US)
NARANJO PAUL (US)
KASSA PAUL (US)
HATCHER BRANDON (US)

Application Number:

PCT/US2004/003593

Publication Date:

February 17, 2005

Filing Date:

February 06, 2004

Export Citation:

Click for automatic bibliography generation Help

Assignee:

BUCK KNIVES INC (US)
LINN ERIC P (US)
NARANJO PAUL (US)
KASSA PAUL (US)
HATCHER BRANDON (US)

International Classes:

B26B1/02; B26B1/04; A47G; (IPC1-7): B26B1/02

Foreign References:

US6079106A	2000-06-27
US6363615B1	2002-04-02
US6574869B1	2003-06-10
US5802722A	1998-09-08
US6308420B1	2001-10-30
US6430816B2	2002-08-13
US6397476B1	2002-06-04
US5737841A	1998-04-14

Other References: