Patent ID: 11931868
Assignee: L&T TECHNOLOGY SERVICES LIMITED
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A wrench head comprising:
a housing having an upper portion and a lower portion;
a base plate positioned inside the housing towards the upper portion of the housing, the base plate having a top surface and a bottom surface, wherein the base plate comprises:
a plurality of compartments defined at the bottom surface of the base plate;

a plurality of push-rods positioned inside the housing, each of the plurality of push-rods having a proximal end towards the upper portion of the housing and a distal end towards the lower portion of the housing, wherein each of plurality of push-rods is movable between a default position and a retracted position; and
a resilient member positioned inside the housing and between the base plate and the proximal end of each of the plurality of push-rods,
wherein the resilient member is configured to bias each of plurality of push-rods in the default position, and
wherein in the retracted position, the proximal end of the each of the plurality of push-rods is pushed against the resilient member to be received along with a portion of the resilient member in a compartment of the plurality of compartments defined at the bottom surface of the base plate.