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US 7,243,388 B2Granted
Mupti-function wrench
OwnerYi-Ting Lininventor
Life of this patent
Estimating the term…
Abstract
A wrench includes a core plate made of metal and an outer portion such as rubber encloses the core plate. A driving member and a ratchet mechanism are received in the through holes in the core plate and the outer portion. A hammer piece is connected to a side of the outer portion and a chamber for receiving a bit connector and a plurality of notches for receiving bits are defined in an outer periphery of the outer portion.
Claims6
A wrench comprising:
- a core plate having a first through hole defined in a first end thereof and a first hole defined beside the through hole, a plurality of connection holes defined through the core plate;
- an outer portion enclosing the core plate and having a second through hole which co-axially communicates the first through hole, a second hole defined through the outer portion and co-axially communicating with the first hole, material of the outer portion is filled in the connection holes, and
- a driving member and a ratchet mechanism received in the first through hole and the second through hole.
Dependencies are inferred from the claim text.