Safety guard for the blade of carton openers

Details Safety guard for the blade of carton openers Safety guard for the blade of carton openers

1977-02-28

1978-05-02

Smith, Gary L.

Cutlery

Carton openers

30286, B26B 2902

Patent

active

040866980

ABSTRACT:
A blade guard is mounted to a conventional carton cutter for longitudinal, reciprocal movement between a "safe" position outwardly of and covering the tip of the cutter blade and a retracted position spaced inwardly from and exposing the tip and a portion of the blade. The guard is normally spring biased to the safe position, yet responsive to pressure against the carton wall to retract the guard until it passes the end of the carton wall in front of the blade.

REFERENCES:
patent: 390759 (1888-10-01), DeLamarre
patent: 2293892 (1942-08-01), Evinger
patent: 2376887 (1945-05-01), Walters
patent: 2743523 (1956-05-01), Honey
patent: 3781988 (1974-01-01), Jones

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