Patent ID: 7069821

Claim:
A movable jaw type holding device comprising: a handle, said handle having a fixed jaw member, two recessed portions symmetrically disposed at two opposite sides adjacent to an inner end of said fixed jaw, and a pivot hole extended through said recessed portions; a movable jaw member pivotally coupled to said handle, said movable jaw member having a first end, a second end, two lugs formed in said first end and respectively attached to the recessed portions of said handle, said lugs each having a pivot hole respectively aligned with the pivot hole of said handle; a first rod member connected to one end of said fixed jaw member at one side; a second rod member connected to the second end of said movable jaw member at one side corresponding to said first rod member; a spring member provided between said handle and said movable jaw member, said spring member having a first end stopped at said fixed jaw, a second end stopped at said movable jaw member, and two coiled portions arranged in parallel on the middle between the first end and second end of said spring member and respectively attached to the lugs of said movable jaw member at an outer side, said coiled portions each defining a hole; a pivot pivotally securing said movable jaw member and said spring member and said handle together, said pivot comprising a shank fastened to the hole of each coiled portion of said spring member and the pivot hole of said handle and the pivot holes of the lugs of said movable jaw member to pivotally secure said handle and said spring member and said movable jaw member together, a head provided at one end of said shaft and stopped against one coiled portion of said spring member at an outer side, and a shoulder connected between the shank and head of said pivot and supporting one coiled portion of said spring member; and a cushion ring mounted on the shank of said pivot and stopped against one lug of said movable jaw member, said cushion ring having a ring body that supports one coiled portion of said spring member, a flange that stops the respective coiled portion of said spring member from falling out of said ring body.