Slip pliers with lock

A new and improved set of slip type pliers, comprising:

• two pivotally connected plier members, each member having an opposing gripping jaw and an elongated handle at the opposite end thereof;
• a pivot pin mounted to the first plier member about which the second plier member rotates;
• the second plier member having a slot therein for receiving the pivot pin to thereby permit the second plier member to slide relative to the first plier member therein enabling the second plier member to be manually adjusted about the pivot pin for rotation and positioning of such second plier member jaws relative to the jaws of said first plier member;
• means for locking said pivot pin relative to said slot wherein said jaws may be moved relative to each other to enable gripping of a desired object only in one fixed position and wherein said pivot pin is prevented from sliding in said slot to enable said jaws to be maintained in said one fixed position,
• means for unlocking said pivot pin relative to said slot, said pivot pin being free to slide within said slot to enable said gripping jaws to be readjusted to maintain said jaws in a different position,
• said locking means being a pivot pin about which said two plier members rotate relative to each other, said pivot pin being slidable between a first position for retaining the plier members in a preset functional adjustment, and a second position for releasing the plier members for readjustment to a different functional adjustment, said pivot pin including an annular shoulder thereon and wherein the second plier member includes a plurality of holes spaced along the slot for receiving said pivot pin annular shoulder for retaining the plier members in adjustment with each other,
• said locking means including a resilient means mounted with said slidable pivot pin for urging said pin into its first position for retaining the plier members in a preset functional adjustment.