Two gear train reduction mechanism
Patent 4192198 Issued on March 11, 1980. Estimated Expiration Date: 
November 15, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
November 15, 1997. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent References 2642756 Motion reversal device for mechanisms for compact cassettes, moving spool arrangements and the like Patent #: 4034619 InventorAssigneeApplicationNo. 05/851625 filed on 11/15/1977US Classes:74/384, Spur74/405Disconnecting meansExaminersPrimary: Wayner, William E.Assistant: Tapolcai, William E. Attorney, Agent or FirmInternational ClassesF16H 3/34 (20060101)F16H 3/02 (20060101) Foreign Application Priority Data1976-11-25 FRAbstractThis invention relates to a reduction mechanism including two gear trains, of different speed reductions, for rotating one cam, both gear trains having different input gears but a same output gear, said input gears being rotatable by a step-up gear mounted on a pivotable lever and rotatable by a driving pinion coupled to a motor, a second pivotable lever having followers responsive to ramp means provided on said cam for suddenly pivoting said first lever through a spring linked to said two levers and thus moving said step-up gear into engagement with the input gear of one or the other of said two gear trains. | |
