Razor knife with self-retracting blade

Details Razor knife with self-retracting blade Razor knife with self-retracting blade

1980-05-02

1982-03-23

Peters, Jimmy C.

Cutlery

Sheathed

Sliding blade

30320, 30335, B26B 306

Patent

active

043205763

ABSTRACT:
A razor knife has an elongated housing formed of a front housing part and a rear housing part and having a longitudinally extending guide. The rear housing part is backwardly separable from the front housing part and carries a blade holder which has a seat for a razor blade and an actuator button exposed at a slot formed in the front housing part. This holder is displaceable by sliding of the actuator button from a back position with the blade wholly enclosed by the housing into a front position with a portion of the blade projecting forwardly from the housing. A tension spring inside the insert or back housing part continuously urges the holder into the back position. Interengaging formations on the operating button and the housing, however, allow the blade to be held in the outer position so long as a slight inward force is exerted on the slidable actuator button.

REFERENCES:
patent: 938384 (1909-10-01), Jarvis
patent: 1701771 (1929-02-01), Di Stefano
patent: 1755535 (1930-04-01), Bratrud
patent: 1906573 (1933-05-01), Gits
patent: 2632244 (1953-03-01), Belsky
patent: 3192624 (1965-07-01), Gringer

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