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US 2014/0109413 A1Published application
Hand cutter with blade guard
AssigneeRitesafety Products International, LLC
InventorThomas Jay Landwehr
Life of this patent
Estimating the term…
Abstract
A hand cutter with a retractable blade guard providing an unimpaired view of the blade, when it is placed on the object. The blade guard is unlocked and retracted by a trigger mechanism, which is activated by closing the hand around the cutter handle. The blade guard remains in the retracted position until the trigger is released or a relocking mechanism is activated by putting the blade to use by cutting the object.
Claims10
A hand cutter comprising
- a housing
- a blade
- mounted detachably in the housing,
- having a cutting edge,
- a blade guard
- mounted pivotally in the housing,
- protecting the blade in the closed position and
- exposing the cutting edge of the blade in the open position,
- a release assembly comprising
- a trigger button,
- a trigger rack arm
- wherein
- said release assembly and said blade guard interact through a gear wheel which is connected to the housing and interlocks with teeth on said trigger rack arm and teeth on said blade guard, said gear wheel moving the blade guard to the open position when it is rotated by the activated trigger rack arm, allowing the cutting edge to be positioned with great precision on the object to be cut, and said gear wheel moving the blade guard back to the closed position as soon as it is rotated back again.
10 more elements
Dependencies are inferred from the claim text.