Hollow-handle utility knife replaceable blade

Details Hollow-handle utility knife replaceable blade Hollow-handle utility knife replaceable blade

1987-06-22

1989-06-06

Watts, Douglas D.

Cutlery

Sheathed

Sliding blade

30335, B26B 108

Patent

active

048358657

ABSTRACT:
A knife comprises a substantially hollow handle, a short knife blade guided longitudinally movable in a knife blade guide track and at least one guided slider member coupled indirectly with the handle side of the longitudinally movable knife blade. The slider member is provided or associated with a longitudinal slot, in some cases penetrating the handle to reach the exterior, and an operating piece. An especially simple replacement of the knife blade is possible since the knife blade is insertable at least indirectly in the knife blade guide track through the longitudinal slot which is designed to meet its spatial requirements. There the knife blade is form-locked and releasably lockable on the slider member which is at least partially removable from the handle.

REFERENCES:
patent: 1507043 (1924-09-01), Blow
patent: 2862296 (1958-12-01), Anderson
patent: 4517741 (1985-05-01), Castelluzzo

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