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US 2003/0150116 A1Published application
Utility knife blade securing device
OwnerRobert Scalainventor
Life of this patent
Estimating the term…
Abstract
A utility knife include a handle, a neck pivotally mounted on the handle, and a blade mounted in the neck. The neck can be folded into the handle to transport the utility knife. The blade is slidably removably inserted into and out of the handle without requiring disassembly of the handle. The blade is secured to the neck of the knife by a pivotally mounted arm.
Claims6
A utility knife including
- (a) a handle having a first end, and a second end;
- (b) a neck having a distal end and having a proximate end;
- (c) a blade mounted on said distal end, said blade including
- (i) a base,
- (ii) an upper edge opposed to and spaced apart from said base,
- (iii) a cutting edge extending along said base, and
- (d) a fastener pivotally attaching said proximate end to said first end such that said neck can be moved between two positions,
- (i) a first open unfolded operative position with said cutting edge exposed for use to cut an object, and
- (ii) a second closed folded position with said cutting edge stored adjacent said handle;
- and,
- (e) a locking mechanism movable between at least two operative positions,
- (i) a first operative position with a portion of said locking mechanism securing said blade in said neck, and
- (ii) a second operative position with said locking mechanism disengaged to permit said blade to be removed from said neck.
10 more elements
A utility knife including:
- (a) a handle having a first end, and a second end;
- (b) a neck having a distal end and having a proximate end and a cutting edge between said proximate end and said distal end;
- (c) a blade mounted on said distal end, said blade including
- (i) a base,
- (ii) an upper edge opposed to and spaced apart from said base,
- (iii) a cutting edge extending along said base, and
- (d) a fastener pivotally attaching said proximate end to said first end such that said neck can be moved between two positions,
- (i) a first open unfolded operative position with said cutting edge exposed for use to cut an object, and
- (ii) a second closed folded position with said cutting edge stored;
- and,
- (e) a locking mechanism for securing said blade in said neck.
8 more elements
A utility knife locking mechanism comprising:
- a neck which is configured to hold a blade;
- a blade configured to be removably attached to said neck;
- a lever arm configured to restrict said blade from disassociation with said neck.
Dependencies are inferred from the claim text.