Ratchet device
OwnerChing-Hsiang Cheninventor
Life of this patent
Estimating the term…
Abstract
A ratchet device has a ratchet body, a rotating rod and a switching device. The ratchet body has a top and a central hole axially defined through the ratchet body. The rotating rod is mounted in the central hole and has a top and at least one lump notch defined on the top of the rotating rod. The switching device has a cover, a pivoting block and a switch. The cover is mounted securely on the top of the ratchet body and has a top. The pivoting block is mounted through the cover and abuts the top of the rotating rod and has a bottom and an eccentric lump. The eccentric lump protrudes from the bottom of the pivoting block and is inserted into one of the at least one lump notch. The switch is pivotally mounted in the cover and has a through hole mounted around the pivoting block.
Claims12
A ratchet device comprising:
- a ratchet head having
- a ratchet body having
- a top;
- an outer surface;
- a central hole axially defined through the ratchet body;
- a pawl opening radially defined in the outer surface of the ratchet body and communicating with the central hole;
- and
- a pawl pivotally mounted in the pawl opening and having two pawl sides;
- a rotating device rotatably mounted in the central hole and having
- a rotating rod rotatably mounted in the central hole and having
- a top;
- a knob hole radially defined in the rotating rod and communicating with the pawl opening;
- at least one lump notch defined on the top of the rotating rod;
- a knob spring compressibly mounted in the knob hole;
- and
- a knob mounted in the knob hole between the pawl and the knob spring and pressing the pawl with a force provided by the knob spring;
- and
- a switching device mounted on the top of the ratchet body and having
- a cover mounted securely on the top of the ratchet body and having
- a top;
- a switch opening defined in the top of the cover and having a bottom;
- a block hole defined through the bottom of the switch opening and communicating with the central hole;
- a pivoting block mounted in the block hole, abutting the top of the rotating rod and having
- a bottom;
- an eccentric lump protruding from the bottom of the pivoting block and inserted into one of the at least one lump notch;
- and
- a switch pivotally mounted in the switching opening and having
- a through hole defined through the switch and mounted around the pivoting block.
Dependencies are inferred from the claim text.