Metal working – Means to assemble or disassemble – Valve applying or removing
Patent
1978-01-24
1979-12-04
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Valve applying or removing
B23P 1904
Patent
active
041764358
ABSTRACT:
Apparatus for removing a rocker arm of a valve mechanism in an automobile engine includes an elongated open-ended tubular sleeve having a U-shaped working face at one end and a slot extending inwardly from the working face of the sleeve. The slot allows the sleeve to be slid sideways around a rocker arm to position the working face of the sleeve above a valve spring located below the rocker arm. The slot provides clearance between the sleeve and the cam shaft which activates the rocker arm. A leverage arm pivots about a transverse axis at an end of the sleeve opposite the working face. A first portion of the leverage arm extends away from one side of the transverse axis and engages the underside of a cross-bar secured to the cylinder head and extending parallel to the cam shaft. A second portion of the leverage arm extends away from an opposite side of the transverse axis. A force applied downwardly to the second portion of the leverage arm forces the opposite end of the leverage arm against the cross-bar which enables the working face of the sleeve to apply downward pressure to compress the valve spring, allowing the rocker arm to be removed.
REFERENCES:
patent: 1438791 (1922-12-01), Seppmann
patent: 2627653 (1953-02-01), Wisner
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