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US 2003/0164072 A1Published application
Wrench locking and positioning device
AssigneeCheng-Tsai Chang
InventorChorng-Jiang Lin
Life of this patent
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Abstract
A wrench locking and positioning device includes at least one positioning body formed with an oblique slide guide portion facing an end face of a drive portion of a drive head of a wrench, and an elastic member mounted in the positioning body, for normally pushing the oblique slide guide portion of the positioning body to extend into the drive portion of the drive head of the wrench.
Claims13
A wrench locking and positioning device, comprising:
- at least one positioning body formed with an oblique slide guide portion facing an end face of a drive portion of a drive head of a wrench;
- and
- an elastic member mounted in the positioning body, for normally pushing the oblique slide guide portion of the positioning body to extend into the drive portion of the drive head of the wrench.
Dependencies are inferred from the claim text.