Metal working – Means to assemble or disassemble – Means comprising hand manipulatable tool
Reexamination Certificate
2005-12-20
2005-12-20
Wilson, Lee D. (Department: 3723)
Metal working
Means to assemble or disassemble
Means comprising hand manipulatable tool
C029S271000
Reexamination Certificate
active
06976297
ABSTRACT:
A wrench for an engine clutch of a radio control model includes a handle having a receiving space longitudinally defined in the handle. A control unit is rotatably mounted in the receiving space, and includes a first end formed with a press portion and a second end formed with a hook. The press portion presses a centrifugal lever of the engine clutch when mounting and the hook engages to the centrifugal lever when detaching. A drive unit is pivotally mounted to one end of the handle and corresponds to the press portion. The drive unit includes a hole defined in a free end thereof for receiving an input shaft of the engine clutch. A partition is securely laterally attached to the drive unit and has a separation extending therefrom. The separation is provided for easily detaching/mounting a torsion spring of the engine clutch.
REFERENCES:
patent: 6510599 (2003-01-01), AmRhein
patent: 6889968 (2005-05-01), Wong
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