Replaceable blade knife

Details Replaceable blade knife Replaceable blade knife

1991-06-14

1992-06-16

Yost, Frank T.

Cutlery

Sheathed

Sliding blade

30335, 30336, B26B 100

Patent

active

051215446

ABSTRACT:
A replaceable blade knife comprises two elongate handle portions and a blade carrier assembled together; the blade protruding, or being arranged to protrude, from a front end of the handle, between respective front ends of the two handle portions. The upper handle portion has a thumb-nail-sized aperture through a rear end part thereof. When the knife is assembled, the two handle portions are slid relatively longitudinally of one another, the upper handle portion moving forwardly of the lower handle portion, until a latch part near the rear end of the lower handle portion clicks into latching engagement with the front edge of the aperture in the upper handle portion. The upper handle portion is formed near its front end with two downwardly projecting flank portions, each flank portion having an integral, forewardly projecting piece at the bottom of the flank portion. The front of the lower handle portion is formed with upwardly projecting flank portions, each flank portion having an integral, rearwardly projecting piece at the top of the flank portion, to overlie and hence interlock with a forwardly projecting piece at the bottom of the corresponding flank portion of the upper handle portion.

REFERENCES:
patent: 3593417 (1971-07-01), West et al.
patent: 3660895 (1972-05-01), West
patent: 3857176 (1974-12-01), Quenot
patent: 3863339 (1975-02-01), Reaney et al.
patent: 3872591 (1975-03-01), Quenot
patent: 4209900 (1980-07-01), Gilbert
patent: 4240202 (1980-12-01), Gilbert
patent: 4292738 (1981-10-01), Osada
patent: 4524518 (1985-06-01), West
patent: 4884307 (1989-12-01), Flood
patent: 4884342 (1989-12-01), McNamara et al.
patent: 4939839 (1990-07-01), Gorst
patent: 5001834 (1991-03-01), Collins
patent: 5014429 (1991-05-01), McNamara

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