Cutter knife

Details Cutter knife Cutter knife

1978-06-30

1980-04-08

Smith, Gary L.

Cutlery

Sheathed

Sliding blade

30335, B26B 108

Patent

active

041965159

ABSTRACT:
A cutter knife having a sheath type holder, a control knob slidably mounted in the holder and a blade attached to and retained by the control knob. The holder is provided with an elongated slot along which the control knob is moved, a longitudinal through passage through which the blade is passed, a slide bore in which a blade-retaining portion of the control knob is slidingly moved and guiding means formed in the back side thereof. The guide means is in communication with the end portion of the slide bore, and are adapted to suitably guide the blade-retaining portion of the control knob. The blade can be moved through the through passage and fixed with a desired projection length from the holder, as the control knob is moved along the elongated slot and fixed to the latter by suitable means. As the front end of the control knob is brought into contact with the end of the elongated slot, the blade-retaining portion of the control knob is guided by the guiding means so as to be exposed from the back side of the holder, with a portion thereof left in the through passage, for free engagement and disengagement with and from the blade, thus affording an easy attaching and detaching, i.e. replacement of the blade.

REFERENCES:
patent: 2548797 (1951-04-01), Ingwer
patent: 4005525 (1977-02-01), Gringer
patent: 4063356 (1977-12-01), Hepworth
patent: 4103421 (1978-08-01), Quenot

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