Hand-held utility knife

Details Hand-held utility knife Hand-held utility knife

1997-03-05

1998-08-25

Payer, Hwei-Siu

Cutlery

Holders for detachable blades

Pivoted part

30331, 30332, B26B 500

Patent

active

057971889

ABSTRACT:
A hand-held utility knife (20) has two handle portions (22, 23) hinged together at the rear end (26) of the handle (21) by means of two lugs (36, 37) of one handle portion (22) projecting into two recesses or cavities (38, 39) of the other handle portion (23) and retained therein behind two lips (53a, 53b) except when almost closed together, when the two handle portions (22, 23) can be separated and reconnected. In order to prevent inadvertent separation of the two handle portions (22, 23) at their rear ends (24, 25) when the handle is closed and the clamping device (27) is screwed up tight, the lugs (36, 37) have abutment portions (61, 62) which engage abutments (65, 66) inside the two recesses or cavities (38, 39). The abutments (61, 62, 65, 66) are positioned on one side of the hinging axis (34) so that they move apart when the handle (21) is opened. Hence the abutments (61, 62, 65, 66) do not interfere with the hinging of the handle portions (22, 23) nor with their separation and reconnection.

REFERENCES:
patent: 4524518 (1985-06-01), West
patent: 4604805 (1986-08-01), Krieger
patent: 4662070 (1987-05-01), Reddig
Stanley Tools catalog page for 10-550 Super Heavy Duty Utility Knife with holster, 1995.

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