Motors: spring – weight – or animal powered – Spring – With winding means
Patent
1987-01-08
1988-01-19
Herrmann, Allan D.
Motors: spring, weight, or animal powered
Spring
With winding means
185 37, 185 39, 185 45, 242107, 267156, F03G 102
Patent
active
047199920
ABSTRACT:
A spring motor comprises an output drum rotatably mounted to a casing and a first end of a spring attached to the output drum. A second end of the spring is attached to a free floating locking plug, around which the spring coils in an unstressed state. A pin is mounted near the output drum to prevent the locking plug from passing between the pin and the output drum.
REFERENCES:
patent: 2063799 (1936-12-01), Fornelius et al.
patent: 2673694 (1954-03-01), Howell
patent: 2869801 (1959-01-01), Foster
patent: 3151704 (1964-10-01), Clarke
patent: 4113201 (1978-09-01), Ziv
Design Handbook--Engineering Guide to Spring Design--Associated Spring Barnes, Group Inc.; pp. 93 & 94, undated.
Mechanical Springs, A. M. Wahl; 2nd edition, McGraw-Hill Company, Inc.; 12-5, "Constant-Torque Spring Motor (Neg'ator B Motor)"; undated.
Elward Michael P.
Lodwick Donald R.
Herrmann Allan D.
Sandvik Steel Co.
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