Motors: spring – weight – or animal powered – Animal powered – Belt tread
Patent
1979-02-14
1981-07-07
Eskovitz, Jay N.
Motors: spring, weight, or animal powered
Animal powered
Belt tread
185 9, 185 45, 185DIG1, 46208, A63H 1700, F03G 100
Patent
active
042767164
ABSTRACT:
A multi-stage energy storage device having a multi-stage construction of energy storage units adapted to uniformly distribute energies stored to each stage, and its embodiments are disclosed.
REFERENCES:
patent: 1076314 (1913-10-01), Pitman
patent: 2100590 (1937-11-01), Grady
patent: 2749660 (1956-06-01), Zimentstark
patent: 3602337 (1971-08-01), Cain
Eskovitz Jay N.
Mabuchi Motor Co, Ltd
Yu Mickey
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