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US 2006/0219061 A1Published application
Pipe wrench having a fixed positioning ring
OwnerChih-Ching Hsieninventor
Life of this patent
Estimating the term…
Abstract
A ratchet pipe wrench a C-shaped head including two jaws and a ratchet mechanism is received in the head so as to engage with a C-shaped engaging member rotatably engaged with the space between the two jaws of the head. A C-shaped positioning ring is securely engaged with a groove defined in an inside of the two jaws of the head so that only the engaging member is rotatable relative to the head.
Claims6
A ratchet pipe wrench comprising:
- a C-shaped head including two jaws and a ratchet mechanism received in the head, a hole defined in a side of the head and a shank having an insertion end which is inserted in the hole;
- a C-shaped engaging member rotatably engaged with a space between the two jaws of the head and having a toothed outer surface which is engaged with the ratchet mechanism, a flange extending from a side of the engaging member and protruding from a surface of the head, and
- a C-shaped positioning ring securely engaged with a groove defined in an inside of the two jaws of the head.
A ratchet pipe wrench comprising:
- a C-shaped head including two jaws and a ratchet mechanism received in the head;
- a C-shaped engaging member rotatably engaged with a space between the two jaws of the head and having a toothed outer surface which is engaged with the ratchet mechanism, a flange extending from a side of the engaging member and protruding from a surface of the head, and
- a C-shaped positioning ring securely engaged with a groove defined in an inside of the two jaws of the head, a notch defined in an inside of the groove and the positioning ring having a tongue which is engaged with the notch, a screw extending through the head and the positioning ring so as to position the positioning ring.
Dependencies are inferred from the claim text.