Tools – Wrench – screwdriver – or driver therefor – Handle or shank
Reexamination Certificate
2000-12-27
2001-07-17
Smith, James G. (Department: 3723)
Tools
Wrench, screwdriver, or driver therefor
Handle or shank
C081S177850, C081S177900
Reexamination Certificate
active
06260452
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to a socket tool that has two axles pivotally connected to each other and each axle has an engaging end for connecting a socket. The two axles can be folded to be parallel with each other so as to be convenient for storage.
BACKGROUND OF THE INVENTION
A conventional socket tool generally includes a shaft has an engaging end so that sockets with different sizes can be connected to the engaging end for different purposes. In other words, the user may remove a first socket from the engaging end and put a second socket on to deal with different sized objects. However, the replacement of sockets takes time and the replaced sockets could get lost. Besides, because the engaging end of the tool can only cooperate with specific sockets so that if a large object is unfastened, the user has to use other tool which has a larger engaging end to cooperate with a large-size socket.
The present invention intends to provide a two-axle tool that can output a large torque and the two axles can be folded with each other so as to become a compact size.
SUMMARY OF THE INVENTION
In accordance with one aspect of the present invention, there is provided a tool and comprising a shaft having a polygonal recess in a first end thereof and a first shoulder is defined in an outer periphery of the first end. A sleeve is movably mounted to the first end of the shaft and a ball is received in a hole in the first end of the shaft and pressed by the sleeve. A slot is defined in a second end of the shaft and a connection member is pivotally engaged with the slot. A polygonal passage is defined through the connection member and a first polygonal rod is movably extending through the polygonal passage. Each one of two ends of the first polygonal rod has an engaging end. A second polygonal rod is movably received in the polygonal recess and has a plurality of dents defined in an outer surface thereof so that the ball is engaged with one of the dents. An engaging end is connected to an end of the polygonal rod.
The primary object of the present invention is to provide a tool that has two polygonal rods which can be positioned as a T-shaped tool, and the two polygonal rods have at least three engaging ends for connecting with sockets.
These and further objects, features and advantages of the present invention will become more obvious from the following description when taken in connection with the accompanying drawings which show, for purposes of illustration only, several embodiments in accordance with the present invention.
REFERENCES:
patent: 198544 (1877-12-01), Kettlewell
patent: 2819637 (1958-01-01), Pierre
patent: 2963930 (1960-12-01), Clothier et al.
patent: 3416395 (1968-12-01), Hanson
patent: 4485702 (1984-12-01), Swan et al.
patent: 5515754 (1996-05-01), Elkins
patent: 5797300 (1998-08-01), Fairbanks
patent: 6044733 (2000-04-01), Liu
patent: 6145413 (2000-11-01), Lin
Shakeri Hadi
Smith James G.
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