초록 ▼

A padded spring clamping device for making hand-crafted jewelry and similar activities comprising removable padded jaws and adjustable clamping force, is herein disclosed. The padding is of a closed-cell and chemical-resistant foam applied thereto the removable jaws in order to provide a soft coveri

A padded spring clamping device for making hand-crafted jewelry and similar activities comprising removable padded jaws and adjustable clamping force, is herein disclosed. The padding is of a closed-cell and chemical-resistant foam applied thereto the removable jaws in order to provide a soft covering that will protect fine jewelry, wood, or other items held within the jaws. The padding further provides increased frictional gripping ensuring that an item of varying size and shape is held with little or no movement.

대표청구항 ▼

What is claimed is: 1. A hand-held spring clamp which provides an aid in an assembly of a work object comprising: a right side member with a removably attachable pad attachment means at a right jaw portion at a right upper end, further comprising: a first right flange located at said central locati

What is claimed is: 1. A hand-held spring clamp which provides an aid in an assembly of a work object comprising: a right side member with a removably attachable pad attachment means at a right jaw portion at a right upper end, further comprising: a first right flange located at said central location; a second right flange located at said central location; a first mounting plate located on a front side of said second right flange; and, a right handle portion; a left side member with a removably attachable pad attachment means at a left jaw portion located at left upper end, further comprising: a first left flange located at said central location; a second left flange located at said central location; a second mounting plate located on a rear surface of said second left flange; and, a left handle portion; a removable and interchangeable jaw pad attachable thereto said right and left jaw portions therewith said pad attachment means; a center fulcrum providing a pivoting means thereto a central location thereof each said left side member and said right side member; and, a pressure adjustment means affixed thereto said center fulcrum, further comprising: said pressure adjustment knob mounted thereto a centrally located position about an axis of said first end of said center fulcrum; a torsion spring in mechanical communication therewith said pressure adjustment knob at a first end and mounted along an outside surface of said center fulcrum and is anchored thereto; said first mounting plate affixed thereto said center fulcrum at a second end of said torsion spring; a locking lever comprising a lever washer mounted thereto said center fulcrum adjacent thereto said pressure adjustment knob; and, an incline plane feature along a front surface thereof said first left flange such that said incline plane is subjacent thereto said locking lever; wherein said clamp provides a compliant high-friction grip that ensures that said work object of varying size and shape is held with minimal or no movement; wherein said first and second left flange comprise a width enabling said first and second left flange to bracket said first and second right flange; wherein said first and second left flanged portion and said first and second right flanged portion each comprise apertures thereby allowing said center fulcrum to pass therethrough and provide a connection means thereof said second mounting plate thereof said left side member to said first mounting plate thereof right side member; wherein said center fulcrum terminates at a first end thereto a pressure adjustment knob and at a second end thereto said second mounting plate; wherein said center fulcrum provides relative motion thereof said right side member and left side member; wherein an applied pressure thereto said right and left side members provides a separating means thereto said left jaw portion and said right jaw portion; wherein said pressure adjustment knob is manually adjusted between a maximum force and a minimum in a clockwise or counter-clockwise direction to provide minute variations of an applied pressure exerted by said jaw pads thereupon said work object; wherein when said pressure adjustment knob is manually adjusted, said torsion spring is compressed or released, thereby producing a variable torsion applied thereto said right side member via said first mounting plate; wherein said locking lever provides a securing means thereto a desired torsion thereof said variable torsion thereto said clamp; wherein when said locking lever is rotated clockwise about said center fulcrum, said incline plane forces said locking lever against a bottom surface of said pressure adjustment knob, thereby providing said securing means thereto; and, wherein said applied pressure is exerted by said jaw pads when said right handle and left handle portions are released; and, wherein said pressure adjustment means provides a selectable and variable clamping means thereto a work object. 2. The clamp of claim 1, wherein each said left and right side member further comprises a handle grip. 3. The clamp of claim 2, wherein said handle grip further comprises a high-friction curved gripping surface having molded or coated layers of a soft pliable and gripping material having a plurality of parallel grooves or ridges. 4. The clamp of claim 1, wherein said pad attachment means for each said right and left side members further comprises: a mounting protrusion located on a rear portion thereof said jaw pad; a pin aperture thereof said mounting protrusion; and, a restraining pin; wherein said restraining pin is routed therethrough a pin aperture thereof a recessed mounting slot thereof said left and right jaw portions and said pin apertures, thereby providing said pad attachment means; wherein said pad attachment means provide a pivoting attachment thereof said jaw pad thereto said left and right jaw portions, thereby providing a compliant inclusive angle to be achieved therebetween. 5. The clamp of claim 4, wherein said jaw pads each comprise a firm jaw pad. 6. The clamp of claim 5, wherein said firm jaw pad comprises a hard and non-marring material being suitable for performing tasks on said work object comprising rigid and durable materials. 7. The clamp of claim 4, wherein said jaw pads each comprise a soft jaw pad. 8. The clamp of claim 7, wherein said soft jaw pad comprises a pliable and conformable material being suitable to performing tasks on said work object comprising fragile materials. 9. The clamp of claim 1, wherein said left side member further comprises pressure adjustment indicia being printed or etched thereupon and positioned adjacent thereto said pressure adjustment knob, thereby providing a directional indication as to minimum and maximum pressure adjustments. 10. A hand-held spring clamp which provides an aid in an assembly of a work object comprising: a right side member further comprising: a removably attachable pad attachment means at a right jaw portion at a right upper end; a first right flange located at a right central location; a second right flange located at said central location; a first mounting plate located on a front side of said second right flange; and, a right handle portion having a right handle grip; a left side member further comprising: a removably attachable pad attachment means at a left jaw portion located at left upper end; a first left flange located at a left central location; a second left flange located at said central location; a second mounting plate located on a rear surface of said second left flange; and, a left handle portion having a left handle grip; a center fulcrum providing a pivoting means thereto said right and left central location; a pressure adjustment means affixed thereto said center fulcrum, further comprising: said pressure adjustment knob mounted thereto a centrally located position about an axis of said first end of said center fulcrum; a torsion spring in mechanical communication therewith said pressure adjustment knob at a first end and mounted along an outside surface of said center fulcrum and is anchored thereto; said first mounting plate affixed thereto said center fulcrum at a second end of said torsion spring; a locking lever comprising a lever washer mounted thereto said center fulcrum adjacent thereto said pressure adjustment knob; and, an incline plane feature along a front surface thereof said first left flange such that said incline plane is subjacent thereto said locking lever; and, a removable and interchangeable jaw pad attachable thereto said right and left jaw portions therewith said pad attachment means; wherein said pad attachment means for each said right and left side members further comprises: a mounting protrusion located on a rear portion thereof said jaw pad; a pin aperture thereof said mounting protrusion; and, a restraining pin; wherein said restraining pin is routed therethrough a pin aperture thereof a recessed mounting slot thereof said left and right jaw portions and said pin apertures, thereby providing said pad attachment means; wherein said pad attachment means provide a pivoting attachment thereof said jaw pad thereto said left and right jaw portions, thereby providing a compliant inclusive angle to be achieved therebetween; wherein said pressure adjustment knob is manually adjusted between a maximum force and a minimum in a clockwise or counter-clockwise direction to provide minute variations of an applied pressure exerted by said jaw pads thereupon said work object; wherein when said pressure adjustment knob is manually adjusted, said torsion spring is compressed or released, thereby producing a variable torsion applied thereto said right side member via said first mounting plate; wherein said locking lever provides a securing means thereto a desired torsion thereof said variable torsion thereto said clamp; wherein when said locking lever is rotated clockwise about said center fulcrum, said incline plane forces said locking lever against a bottom surface of said pressure adjustment knob, thereby providing said securing means thereto; and, wherein said applied pressure is exerted by said jaw pads when said right handle and left handle portions are released; wherein said clamp provides a compliant high-friction grip that ensures that said work object of varying size and shape is held with minimal or no movement; wherein said center fulcrum provides relative motion thereof said right side member and left side member; wherein an applied pressure thereto said left and right side members provides a separating means thereto said left jaw portion and said right jaw portion; wherein said pressure adjustment means provides a selectable and variable clamping means thereto a work object; wherein said first and second left flange comprise a width enabling said first and second left flange to bracket said first and second right flange; wherein said first and second left flanged portion and said first and second right flanged portion each comprise apertures thereby allowing said center fulcrum to pass therethrough and provide a connection means thereof said second mounting plate thereof said left side member to said first mounting plate thereof right side member; and, wherein said center fulcrum terminates at a first end thereto a pressure adjustment knob and at a second end thereto said second mounting plate. 11. The clamp of claim 10, wherein said left side member further comprises pressure adjustment indicia being printed or etched thereupon and positioned adjacent thereto said pressure adjustment knob, thereby providing a directional indication as to minimum and maximum pressure adjustments. 12. The clamp of claim 11, wherein said jaw pads each comprise a firm jaw pad, further comprising a hard and non-marring material being suitable for performing tasks on said work object comprising rigid and durable materials. 13. The clamp of claim 11, wherein said jaw pads each comprise a soft jaw pad further comprising a pliable and conformable material being suitable to performing tasks on said work object comprising fragile materials. 14. The clamp of claim 11, wherein said handle grip further comprises a high-friction curved gripping surface having molded or coated layers of a soft pliable and gripping material having a plurality of parallel grooves or ridges. 15. A method of operating a hand-held spring clamp which provides an aid in an assembly of a work object, comprising the steps of: obtaining a hand-held spring clamp, comprising: a right side member further comprising: a removably attachable pad attachment means at a right jaw portion at a right upper end; a first right flange located at a right central location; a second right flange located at said central location; a first mounting plate located on a front side of said second right flange; and, a right handle portion having a right handle grip; a left side member further comprising: a removably attachable pad attachment means at a left jaw portion located at left upper end; a first left flange located at a left central location; a second left flange located at said central location; a second mounting plate located on a rear surface of said second left flange; and, a left handle portion having a left handle grip; a center fulcrum providing a pivoting means thereto said right and left central location; a pressure adjustment means affixed thereto said center fulcrum, further comprising: a pressure adjustment knob mounted thereto a centrally located position about an axis of a first end of said center fulcrum; a torsion spring in mechanical communication therewith said pressure adjustment knob at a first end and mounted along an outside surface of said center fulcrum and is anchored thereto; said first mounting plate affixed thereto said center fulcrum at a second end of said torsion spring; a locking lever comprising a lever washer mounted thereto said center fulcrum adjacent thereto said pressure adjustment knob; and, an incline plane feature along a front surface thereof said first left flange such that said incline plane is subjacent thereto said locking lever; and, a first and a second removable and interchangeable jaw pad attachable thereto said right and left jaw portions therewith said pad attachment means; removing all restraining pins therefrom pin apertures thereof said right and left jaw portions; determining if said work object requires a soft jaw pad or a firm jaw pad as sa first or second jaw pad; sliding a mounting protrusion thereof said first and second jaw pad thereinto a recessed mounting slot portion of both said right and left jaw portions such that pin apertures of said mounting protrusion of said first and second jaw pad is aligned with pin apertures of said right and left jaw portions, respectively; replacing all restraining pins thereinto pin apertures of said left and right jaw portion and pin apertures thereof said mounting protrusion of said first and second jaw pad, thereby achieving said pad attachment means; determining a desired pressure to be provided by said clamp thereto said work object; turning said pressure adjustment knob in a clockwise or counter-clockwise direction using pressure adjustment indicia located thereon said clamp until said desired pressure is reached; locking said pressure adjustment knob in place by rotating said locking lever in a clockwise direction; applying a hand pressure thereto said right and left handle grip, thereby opening said right and left jaw portions and subsequently said first and second jaw pads; using said clamp to clamp an work object based upon a particular craft or shop task; releasing said hand pressure applied thereto said right and left handle grip to close said right and left jaw portions and subsequently said first and second jaw pads thereupon said work object, thereby applying said desired pressure thereto said work object; performing desired work thereon said work object while being retained therein said clamp; and, removing said work object by applying said hand pressure thereto said right and left handle grip thereby opening said right and left jaw portions and subsequently said first and second jaw pads.