Multi-blade folding knife with lock open feature

Details Multi-blade folding knife with lock open feature Multi-blade folding knife with lock open feature

1988-03-10

1989-02-21

Yost, Frank T.

Cutlery

Sheathed

Pivoted blade

30155, 7118, B26B 306

Patent

active

048053031

ABSTRACT:
A knife having a plurality of blades or other implements foldable about a common pivot axis at one end of the handle. A separate lock lever is associated with each blade or implement and has an end portion engaging a notch in the blade adjacent the pivot point to prevent movement of the blade away from the open position until the lock is manually released. The lock levers are pivotally mounted at an intermediate position and urged toward engagement of the one end portion with the blade notch by respective beam springs contacting the lock levers on the opposite sides of the pivotal mountings. The locks are released by pressing upon portions of the lock levers arranged in transverse grooves which are longitudinally offset along the back of the knife at the end opposite the end at which the blades are pivotally mounted.

REFERENCES:
patent: 645563 (1900-03-01), Heath
patent: 1359760 (1920-11-01), Smith
patent: 4302877 (1981-12-01), Hart et al.
patent: 4563813 (1986-01-01), Fortenberry
patent: 4669188 (1987-06-01), Evrell

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