Patent ID: 7647702
Filing Date: 2010-01-19
Classification: B26B

Abstract:
1. A utility knife for use with a replaceable flat blade, the knife comprising: an elongated housing having a front end, a longitudinally extending guide open at the front end, a longitudinally extending and transversely open slot, and a longitudinally extending holding face directed transversely opposite to the slot; a stop longitudinally shiftable in the housing and having a stop face; a blade holder having a seat for the blade and slidable in the housing between a front use position forwardly bearing on the stop face and with the blade projecting longitudinally forwardly from the guide past the front end and a rear storage position with the blade wholly contained in the housing rearward of the front end and the holder out of engagement with the stop, the stop face and holder being so constructed and arranged that the holder cannot move forward in the housing when the holder is engaging the stop face, the holder being out of engagement with the stop face when not in the front position; an actuator connected to the holder, exposed at the slot, accessible from outside the housing, and operable to shift the blade in the holder between its front and rear positions; a spring braced between the holder and the housing and urging the holder and the actuator longitudinally backwardly in the housing toward the rear position; and means for securing the stop in any of a plurality of longitudinally offset positions in the housing and thereby adjusting the front position of the blade.