Motors: spring – weight – or animal powered – Composite – Spring only
Patent
1975-04-07
1976-10-19
Herrmann, Allan D.
Motors: spring, weight, or animal powered
Composite
Spring only
185 13, F03G 100
Patent
active
039865800
ABSTRACT:
A large gear runs free on a drive shaft rotated by any power source. To this large gear a metal strip is rigidly attached, radial to the drive shaft but not touching the drive shaft. At distances apart on the strip the ends of springs are securely attached. The other ends of the springs are attached at the same distance from the drive shaft to an adjacent strip likewise free running on the drive shaft. Similar strips running free on the drive shaft are attached by springs similarly and adjacently to each other, so that the springs take the form of concentric circles around the drive shaft and are prevented from seeking the center by the radial strips. The last strip, farthest from the large gear, is attached rigidly to the drive shaft. The large gear is firmly braked, so that power applied to the drive shaft stores energy in the elongated springs. The stored energy may be drawn off and used by releasing the brake. The elongation of the springs beyond their elastic limit is prevented by powerfully restraining movement beyond a certain point by a metallic chain or other well-known variable distance control devices.
REFERENCES:
patent: 481714 (1892-08-01), Lang et al.
patent: 779382 (1905-01-01), Teel
patent: 837815 (1906-12-01), Esch
patent: 1673197 (1928-06-01), Kollmann
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