Lock block for a multipled-positioned knife or device

Details Lock block for a multipled-positioned knife or device Lock block for a multipled-positioned knife or device

1990-02-16

1992-03-03

Watts, Douglas D.

Cutlery

Sheathed

Pivoted blade

30331, B26B 104

Patent

active

050920456

ABSTRACT:
A locking mechanism (39) comprising a rectangularly-shaped block (40) seated in a corresponding opening (41) of a blade (31) and a corresponding opening of a handle scale (32). Block (40) depresses into opening (41) after which blade (31) is free to rotate between locked open and closed modes, effecting two-position lock mechanism. Other embodiments include a stepped blocks (61, 81) by which two or one notches are utilized to effect either a two-position or one-position lock mechanism, respectively. These blocks register in their respective openings (42, 73, 89) provided in handle scale. The register in the opening (89) in the scale for the one-position lock mechanism is off-set in a direction towards the center of rotation for the blade (31).

REFERENCES:
patent: 4439922 (1984-04-01), Sassano
patent: 4541175 (1985-09-01), Boyd et al.

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