Knife with fabric cutter
First Claim
Patent Images
1. A knife, comprising:
- a handle;
a blade joined to the handle and having a blade back; and
a fabric cutter integral with the blade and includinga fabric cutter body extending laterally outwardly from the blade back of the blade, an outwardly extending margin of the fabric cutter body defining a fabric cutter back,a finger with no sharp edges, the finger extending rearwardly toward the handle from the outward margin of the fabric cutter body, the finger having a length of about 0.3 inches, the finger having a finger back forming a continuous surface with the fabric cutter back, the fabric cutter back and finger back being oriented at an angle to the handle of about 13.5 degrees,the fabric cutter body, the finger, and a portion of the blade back defining a fabric cutter slot having a slot outer side and separated from the slot outer side by a distance of about 0.125 inches, and a slot bottom,an outer ramp from the slot outer side to the slot bottom, the outer ramp having a radius of about 0.090 inches,an inner ramp from the slot inner side to the slot bottom, the inner ramp having a radius of about 0.090 inches, anda sharpened cutting edge at the slot bottom.
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Accused Products
Abstract
A knife has a handle, a blade joined to the handle and having a blade back, and a fabric cutter integral with the blade. The fabric cutter includes a fabric cutter body extending laterally outwardly from the back side of the blade, with the outwardly extending margin of the fabric cutter body defining a fabric cutter back. A finger extends rearwardly at least about 0.2 inches toward the handle from the outward margin of the fabric cutter body. The finger and the blade back are substantially parallel to each other and separated by a distance of from about 0.100 to about 0.150 inches to form a fabric cutter slot having a cutting edge at its bottom.
54 Citations
20 Claims
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1. A knife, comprising:
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a handle; a blade joined to the handle and having a blade back; and a fabric cutter integral with the blade and including a fabric cutter body extending laterally outwardly from the blade back of the blade, an outwardly extending margin of the fabric cutter body defining a fabric cutter back, a finger with no sharp edges, the finger extending rearwardly toward the handle from the outward margin of the fabric cutter body, the finger having a length of about 0.3 inches, the finger having a finger back forming a continuous surface with the fabric cutter back, the fabric cutter back and finger back being oriented at an angle to the handle of about 13.5 degrees, the fabric cutter body, the finger, and a portion of the blade back defining a fabric cutter slot having a slot outer side and separated from the slot outer side by a distance of about 0.125 inches, and a slot bottom, an outer ramp from the slot outer side to the slot bottom, the outer ramp having a radius of about 0.090 inches, an inner ramp from the slot inner side to the slot bottom, the inner ramp having a radius of about 0.090 inches, and a sharpened cutting edge at the slot bottom. - View Dependent Claims (2, 3)
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4. A knife, comprising:
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a handle; a blade joined to the handle and having a blade back; and a fabric cutter integral with the blade and including a fabric cutter body extending laterally outwardly from the blade back of the blade, an outwardly extending margin of the fabric cutter body defining a fabric cutter back, a finger extending rearwardly toward the handle from the outward margin of the fabric cutter body, the finger having a finger back forming a continuous surface with the fabric cutter back, the fabric cutter body, the finger, and a portion of the blade back defining a fabric cutter slot having a slot outer side, a slot inner side, and a slot bottom, the slot outer side and the slot inner side being substantially parallel to each other and separated by a distance of from about 0.100 inches to about 0.150 inches, and a cutting edge at the slot bottom. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11)
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12. A knife, comprising:
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a handle; a blade joined to the handle and having a blade back; and fabric cutter means integral with the blade for controllably cutting fabric inserted into the fabric cutter means, comprising; finger means for guiding the movement of the knife and preventing it from disengaging from the fabric, the finger means including a finger extending parallel to an adjacent portion of the blade back, having a length of at least about 0.2 inches, and being separated from the adjacent portion of the blade back by a distance of from about 0.100 inches to about 0.150 inches finger support means for supporting the finger at a location laterally outwardly displaced from the adjacent portion of the blade back and at an angle to the handle of more than about 5 degrees, the finger, finger support means, and adjacent portion of the blade back together defining a slot, and a cutting edge within the slot. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification