Hydraulic Spring Drive Apparatus
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United States of America Patent
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N/A
Issued Date -
Aug 20, 2009
app pub date -
Feb 6, 2008
filing date -
Feb 6, 2007
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
Hydraulic spring drive apparatus comprising: a rotatable cam shaft having fixed thereon a number of cams; a number of rocker arms, one following each cam, each pivotally attached at one end to a pressure bar and at another to an expansible, compressible connecting means in turn connected to a crank portion of a crank shaft. The cams, crank shaft, and expansible compressible connecting means are arranged so that a number of connecting means expand against the compression of one connecting means. The pressure bar is movable to position the rocker arms for a selected degree of connecting means compression.
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