Knife handle for accommodating different adjustable blade types

Details Knife handle for accommodating different adjustable blade types Knife handle for accommodating different adjustable blade types

1983-07-12

1985-04-09

Kazenske, E. R.

Cutlery

Sheathed

Sliding blade

30125, 30320, 30335, B26B 100

Patent

active

045092605

ABSTRACT:
An improved retractable knife includes a frontal part of the blade carrier, which has a bottom blade supporting ledge, is embodied as a pallet adapted to firmly mount and support the area of the blade which remains within the handle so that there is no play or rattle of the blade irrespective of whether an apertured or solid blade is mounted on the carrier. The pallet has a plurality of register pins receivable in corresponding notches provided in a trapezoidal type cutting blade at the edge opposite the blade cutting edge. The pallet further comprises a first longitudinally extending pair of cantilevered arms for providing a first blade side support substantially centrally disposed at said frontal part, one of the arms having a front lug and the other of the arms having a rear blade guide in the direction of movement of the carrier out of the handle and a second blade side support disposed beneath the cantilevered arms blade side support having a second rear edge blade guide, the first rear edge blade being aligned with the register pins and the front lug for firmly removably mounting an apertured blade with the front lug disposed in the central aperture of the blade, the register pins disposed in the blade notches, the rear of the cutting edge of the mounted blade being disposed against the bottom ledge of the carrier and the rear of the mounted blade being disposed against the first rear edge blade guide. If a solid type notched blade is mounted on the carrier instead of the aforementioned apertured type notched blade, then the rear edge of the solid type blade is disposed against the second rear edge blade guide within the register pins disposed in the blade notches, and the solid blade side laterally biases both of the cantilevered arms in the closed knife so as to laterally bias the front lug and first rear edge blade guide for enabling the solid type blade to be firmly mounted on the carrier. Accordingly, different types of blades may be interchangeably mounted on the carrier for use in the knife.

REFERENCES:
patent: 3192624 (1965-07-01), Gringer
patent: 3660896 (1972-05-01), Umboltz
patent: 3906625 (1975-09-01), Gringer
patent: 4005525 (1977-02-01), Gringer
patent: 4242795 (1981-01-01), Rollband et al.

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