Self-tensioning drive assembly configuration & methodology
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United States of America Patent
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N/A
Issued Date -
Dec 16, 2004
app pub date -
Jun 10, 2003
filing date -
Jun 10, 2003
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A drive assembly for a driven device having an input shaft is provided, including an attendant methodology for optimally configuring components thereof so as to minimize instability without recourse to utilization of a pivot regulating mechanism. The drive assembly includes a driving device having an output shaft, a driving device support structure, and a drive operatively linking the output shaft of the driving device with the input shaft of the driven device. The driving device support structure includes an anchorable base and a selectively positionable platform pivotable, with respect to the base, about a pivot axis so as to thereby define a tilt angle .alpha. for the platform relative to a horizon. The drive including a drive sheave, a driven sheave, and an endless loop, a hub load being generated by the endless loop about the sheaves and acting therebetween along a hub load line. The hub load line has an angular relationship e relative to the horizon. The tilt angle .alpha. is preferably within the range of about 15 to 35.degree., the hub load line angle .theta. preferably being within the range of about 5 to 35.degree. such that optimal tension for the endless loop is achieved, thereby substantially eliminating deleterious instability for the drive assembly.
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