Replaceable blade knife

Details Replaceable blade knife Replaceable blade knife

1985-03-13

1986-03-18

Schmidt, Frederick R.

Cutlery

Holders for detachable blades

Sliding-blade assembly

30337, 30338, 30339, B26B 100

Patent

active

045759405

ABSTRACT:
A carpet layers knife made for easy replacement of a replaceable blade which includes a blade holding portion and a handle portion; the blade holding portion provided with an internal shoulder to guide the blade into and out of the knife without dulling the blade, and a connecting element holding the elements of the knife together, the connecting element being positioned to be out of the path of the blade as it is inserted and retracted but capable of holding the blade firmly in its tightened position while providing a passageway for insertion and removal of the blade in its loosened position.

REFERENCES:
patent: 1518100 (1924-12-01), Nighbert
patent: 1563674 (1925-12-01), Stuart
patent: 1813782 (1931-07-01), Thompson
patent: 1827509 (1931-10-01), Ericsson
patent: 2605545 (1952-08-01), Weems
patent: 2853778 (1958-09-01), Pratt et al.
patent: 4109380 (1978-08-01), Anderson

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