Bolt knife assembly with locking member

Details Bolt knife assembly with locking member Bolt knife assembly with locking member

1994-08-15

1996-06-25

Meislin, D. S.

Cutlery

Sheathed

Pivoted blade

7158, 7118, 7165, 30160, B26B 306, B26B 1100

Patent

active

055288316

ABSTRACT:
A bolt knife assembly with locking member having a knife blade assembly pivotally connected to a handle and support body assembly which is secured in either a retracted or extended orientation by means of a lock nut member. An accessory member, such as a screwdriver, is releasably connectable to the handle and support body assembly. The handle and support body assembly is constructed from an ordinary threaded bolt with a support handle member mounted thereon providing comfortable handling characteristics. The knife blade assembly includes a knife blade member with a cutting blade section at one end and a pivot and lock section at the another end allowing an anchor member to pivotally connect the knife blade assembly to the handle and support body assembly. The lock nut member is an irregularly shaped component with six side wall sections, including four adjoining normal central side wall sections and two non contiguous modified side wall sections being an extended alignment and locking section and a retracted alignment and locking section, forming an access slot therebetween. The extended alignment and locking section and the retracted alignment and locking section are configured such that their interaction with first and second lock tang sections of the knife blade assembly eliminate the need for springs or other prestressed metal parts to lock the knife blade member in either an extended or retracted position.

REFERENCES:
patent: 3930309 (1976-01-01), Collins
patent: 4730394 (1988-03-01), Sonner, Jr.
patent: 5093995 (1992-03-01), Jan

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