Cutter knife

Details Cutter knife Cutter knife

1995-05-12

1996-04-02

Payer, Hwei-Siu

Cutlery

Sheathed

Sliding blade

30335, B26B 108

Patent

active

055028969

ABSTRACT:
A cutter knife with a detachable blade includes an elongated case slidably receiving a control member which has a blade held thereon in a partial top-opening through space defined in an upper portion thereof and enclosed by an end cap at a tail end thereof. The cutter knife further has a retaining element adapted to hold blades thereon and slidably received in a space defined in a lower portion of the case. The control member includes a spring biased button movably coupled to the base, a resilient latch element on a lateral side thereof for resiliently engaging with a saw-teeth formation formed on the case to serve as an auxiliary locking device, and a spring biased locking element movably retained in the base and actuated by the button to selectively engage with teeth of the saw-teeth formation formed in the case and thereby locking the control member and the blade at a desired position.

REFERENCES:
patent: 4277888 (1981-07-01), Szabo
patent: 4322885 (1982-04-01), Osada
patent: 5269063 (1993-12-01), Okada

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