Hypodermic needle destructor
First Claim
Patent Images
1. A hypodermic needle destructing device comprising:
- a receptacle;
a base plate positioned on the front of the receptacle;
a pivotally mounted knob on the base plate having an opening in the center thereof adapted to receive hypodermic needles;
a knife blade means pivotally supported against the base plate approximate one end of the blade means;
a slot in the base plate;
pin means anchored to the knob passing through the slot in the base plate and pivotally attached to the opposite end of the knife blade whereby rotation of the knob causes the knife blade to pivot from its retracted position across said opening and shear the needle which is extending through said opening; and
biasing means on the knife blade urging the blade toward its retracted position.
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Abstract
A shearing device for disposable syringes which cuts off the needle with a cam-actuated knife blade. The syringe is inserted through an opening in the center of a rotating knob which knob is in turn connected to the knife blade, so that as the knob is rotated, the blade pivots against the base plate and shears off the needle extending through the opening in the handle, collecting the sheared needles in a receptacle box.
22 Citations
8 Claims
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1. A hypodermic needle destructing device comprising:
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a receptacle; a base plate positioned on the front of the receptacle; a pivotally mounted knob on the base plate having an opening in the center thereof adapted to receive hypodermic needles; a knife blade means pivotally supported against the base plate approximate one end of the blade means; a slot in the base plate; pin means anchored to the knob passing through the slot in the base plate and pivotally attached to the opposite end of the knife blade whereby rotation of the knob causes the knife blade to pivot from its retracted position across said opening and shear the needle which is extending through said opening; and biasing means on the knife blade urging the blade toward its retracted position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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Specification