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Class Information
Number: 185/4
Name: Motors: spring, weight, or animal powered > Composite > Weight only
Description: Composite motors in which all of the prime movers are weight motors.










Sub-classes under this class:

Class Number Class Name Patents
185/5 Escapement controlled 2
185/6 With weight raising means, (e.g., winding) 2


Patents under this class:

Patent Number Title Of Patent Date Issued
5894757 Device for enhancing rotational movement Apr. 20, 1999
4438656 Power transfer device Mar. 27, 1984
4085544 Plant supporting, moving and watering apparatus Apr. 25, 1978
4070855 Constant force motor Jan. 31, 1978
4022336 Apparatus for conveying bulk material May. 10, 1977











 
 
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