UTILITY KNIFE

摘要

A utility knife includes a first handle portion and a second handle portion removably coupled to the first handle portion to define a housing. The first handle portion includes a first bore and the second handle portion includes a second bore. The utility knife also includes a blade carrier slidably received within housing and a blade removable coupled to the blade carrier for movement with the blade carrier relative to the housing. The utility knife also includes a double-lead fastener including a head, an unthreaded portion received within the first bore, and a double-lead threaded portion received within the second bore to couple the first handle portion and the second handle portion.

主权项

1. A utility knife comprising:
a first handle portion including a first bore; a second handle portion removably coupled to the first handle portion to define a housing, the second handle portion including a second bore; an aperture formed through the housing at a front end of the housing; a blade carrier slidably received within housing, the blade carrier including a slot extending through the blade carrier; a blade removably coupled to the blade carrier for movement with the blade carrier relative to the housing; a projection located within the housing and engageable with the slot to limit movement of the blade carrier between an extended position in which the blade projects from the aperture and a retracted position in which the blade is located within the housing; an actuator operably coupled to the blade carrier to facilitate movement of the blade carrier between the extended position and the retracted position; a biasing member coupled to the blade carrier and configured to bias the blade carrier towards the refracted position; a spare blade holder configured to secure at least one spare blade within the spare blade holder; and a double-lead fastener including a head, an unthreaded portion received within the first bore, and a double-lead threaded portion received within the second bore to couple the first handle portion and the second handle portion, wherein the unthreaded portion is retained within the first bore by the head and the double-lead threaded portion such that the double-lead fastener is retained with the first handle portion when the first handle portion is removed from the second handle portion.