Utility knife

Details Utility knife Utility knife

1988-06-08

1989-12-05

Yost, Frank T.

Cutlery

Sheathed

Sliding blade

30290, 30294, 30335, 30339, B26B 500

Patent

active

048843423

ABSTRACT:
A cutting device including a handle and blade. The blade being detachably connectable to the handle, and the handle including a guidance mechanism. This guidance mechanism has a convex peripheral edge and is rotatively connected to the handle. The cutting device also includes an engagement and disengagement mechanism for operatively interrelating the blade with the guidance mechanism.

REFERENCES:
patent: 1108161 (1914-08-01), Field
patent: 1574641 (1925-08-01), Christopherson
patent: 1806484 (1931-05-01), Michaud
patent: 1871968 (1932-08-01), Ege
patent: 2483092 (1949-09-01), Hauke
patent: 2537287 (1951-01-01), Thomas
patent: 2677180 (1950-02-01), Schierghofer
patent: 2867901 (1959-01-01), Warnes
patent: 2889623 (1959-06-01), Baker
patent: 2994899 (1961-08-01), Moilanen
patent: 3500540 (1970-03-01), Lundquist
patent: 3660896 (1972-05-01), Umholtz
patent: 3845554 (1974-11-01), Joanis et al.
patent: 4196515 (1980-04-01), Sugiyama
patent: 4277888 (1981-07-01), Szabo
patent: 4292738 (1981-10-01), Osada
patent: 4586256 (1986-05-01), Weimann
patent: 4761882 (1988-08-01), Silverstein

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