SPRING DRIVE APPARATUS
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United States of America Patent
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Issued Date -
Jan 4, 2024
app pub date -
Jun 29, 2023
filing date -
Jun 30, 2022
priority date (Note) -
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status (Latency Note)
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Abstract
A spring drive motor is presented herein. The motor includes a rotatable cam shaft with a plurality of cams axially spaced there along and rotatable therewith. Each of the cams include a circular shape with at least one portion defined by a linear outer surface. A plurality of rocker arms, each of which correspond with a different one of the plurality of cams, are mounted at one end to a pressure bar assembly and at another end to a power unit. The power unit is defined as comprising an upper spring cup, a lower spring cup and a spring mounted there between. Each upper spring cup is mounted to a crank shaft between adjacently disposed disk-shaped crank members. Lowering the pressure bar assembly engages the rocker arms and activates rotation of the cam shaft and crank shaft through compression and expansion of the springs.
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