초록 ▼

A utility knife in accordance with the present invention includes a handle having a longitudinal cavity, a channel member fixedly received in the longitudinal cavity, a blade carrier slidably received in the channel member and configured to receive a cutting blade, an operating button to facilitate

A utility knife in accordance with the present invention includes a handle having a longitudinal cavity, a channel member fixedly received in the longitudinal cavity, a blade carrier slidably received in the channel member and configured to receive a cutting blade, an operating button to facilitate movement of the blade carrier to a selected operating position, and a catch to prevent the blade carrier from being extended forward of a selected position with respect to the channel member.

대표청구항 ▼

[ I claim:] [1.]1. A utility knife, comprising:a blade;a handle having a longitudinal cavity;a channel member fixedly received in the longitudinal cavity and including a lower channel portion having a recess;a blade carrier slidably received in the channel member to carry the blade, the blade carrie

[ I claim:] [1.]1. A utility knife, comprising:a blade;a handle having a longitudinal cavity;a channel member fixedly received in the longitudinal cavity and including a lower channel portion having a recess;a blade carrier slidably received in the channel member to carry the blade, the blade carrier having a lower laterally extending wall;an operating button connected to the blade carrier to facilitate movement of the blade carrier to a plurality of operating positions; anda catch configured to prevent the blade carrier from being fully extended, the catch including a restraining spring integral with the lower laterally extending wall of the blade carrier, the restraining spring having a downward bias causing the restraining spring to drop down into the recess formed in the lower channel portion and contact the lower channel portion when the restraining spring is aligned therewith, thereby restricting the forward longitudinal movement of the blade carrier.