Lock system for a folding knife

Details Lock system for a folding knife Lock system for a folding knife

1990-12-07

1992-03-17

Yost, Frank T.

Cutlery

Sheathed

Pivoted blade

30159, B26B 100, B26B 104

Patent

active

050956248

ABSTRACT:
A folding knife including a lock for positively maintaining the knife blade in a locked condition comprising an upstanding locking pin which is integrally formed with the knife blade and which is received by an opening in a pivotal toggle mounted on the upper end of the blade handle. The toggle is yieldably maintained in its locked condition by a coil spring mounted in an elongated bore formed in the knife handle.

REFERENCES:
patent: 462141 (1891-10-01), Kruschke
patent: 598896 (1898-02-01), Berglund
patent: 631547 (1899-08-01), Miller
patent: 717958 (1903-01-01), White
patent: 1263440 (1918-04-01), Lenardic
patent: 2808646 (1957-10-01), Lohr, Jr. et al.
patent: 3568315 (1971-03-01), Smith
patent: 4451982 (1984-06-01), Collins
patent: 4536959 (1985-08-01), Ross
patent: 4563813 (1986-01-01), Fortenberry
patent: 4570341 (1986-02-01), Konneker

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