Patent ID: 11904444
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 11:
12. The adjustable pliers with thread-engaging means according to claim 11 wherein a size-adjusting means is operable to increase and decrease the size of the opening between the first jaw and the second jaw;
wherein the size of the opening of the jaws varies when the first handle moves longitudinally relative to the second handle with the pivot pin sliding along the guide slot; wherein the size-adjusting means comprises the tongue and the plurality of grooves;
wherein the tongue engages one of the plurality of grooves when the water pump pliers are not fully open such that the first handle is inhibited from moving longitudinally relative to the second handle because the tongue is restrained from moving longitudinally by the plurality of grooves;
wherein when the water pump pliers are fully open, the tongue disengages from the plurality of grooves and the first handle is permitted to slide longitudinally relative to the second handle.