Patent ID: 9375829
Filing Date: 2016-06-28
CPC Classification: B25B

Claim Text:
1. A tool head comprising: a connecting component including a connecting end and a receiving end defining a tight-fit section and a non tight-fit section, with the connecting end adapted to be connected to a tool, with the tight-fit section intermediate the non tight-fit section and the connecting end, with the connecting component having an axial extent between the connecting end and the receiving end; a driving component insertably fitted relative the connecting component and including a body defining first and second engaging sections and a driving end, with the second engaging section being between the first engaging section and the driving end, with the second engaging section received in the non tight-fit section to prevent relative rotation between the second engaging section and the non tight-fit section, with the driving end used for engaging with an object to be driven; and a spacer including first and second tight-fit edges, with the first engaging section tightly fit in the tight-fit section by the spacer, with the first tight-fit edge tightly abutting against a wall delimiting the tight-fit section and the second tight-fit edge tightly abutting against a wall delimiting the first engaging section respectively, with the spacer located intermediate the second engaging section and the connecting end, wherein the spacer has a smaller hardness than the connecting component, and wherein the connecting component has a smaller hardness than the driving component, and wherein the spacer is located within the axial extent of the connecting component; wherein the receiving end is a stud, with the tight-fit section having a size, with the non tight-fit section having a size smaller than the size of the tight-fit section, and with the first tight-fit edge of the spacer having a size larger than the size of the non tight-fit section.