Reversible ratchet wrench
OwnerJong-Shing Changinventor
Life of this patent
Estimating the term…
Abstract
A reversible ratchet wrench includes a wrench body having a head portion that has a hole and a chamber communicated with the hole. A ratchet wheel is rotatably mounted in the hole of the wrench body. A pawl is moveably received in the chamber of the wrench body and meshed with the ratchet wheel. An annular cover is rotatably mounted on the head portion of the wrench body for preventing the ratchet wheel from escaping out of the hole of the wrench body. The annular cover has a driving member contactable to the pawl for driving the pawl to move to a position where the ratchet wheel can be forced to turn clockwise or counterclockwise.
Claims8
A reversible ratchet wrench, comprising:
- a wrench body having a handle and a head portion at an end of the handle, said head portion having a hole and a chamber communicated with the hole;
- a ratchet wheel rotatably mounted in the hole of the wrench body and having an annular teeth portion at an outer surface thereof;
- a pawl moveably received in the chamber of the wrench body and having a teeth portion for meshing the teeth portion of the ratchet wheel, and
- an annular cover rotatably mounted on the head portion of the wrench body for preventing said ratchet wheel from escaping out of the hole of the wrench body, wherein the annular cover has a driving member contactable to the pawl for driving the pawl to move to a position where the ratchet wheel can be forced to turn clockwise or counterclockwise.
Dependencies are inferred from the claim text.