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US Patent: 8,431X
Propelling machinery
Alternate motion machine for propelling machinery
Benjamin Elliott - Danby, Tompkins County, NY

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Not known to have been produced


Patent Dates:
Granted: Oct. 04, 1834

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Most of the patents prior to 1836 were lost in the Dec. 1836 fire. Only about 2,000 of the almost 10,000 documents were recovered. Little is known about this patent. No patent drawing is available. This patent is in the database for reference only.

For a Machine to produce Alternate Motion; Benjamin Elliot, Danby, Tompkins county, New York, October 4.

The alternate motion to be produced by this machine, is said to be applicable to churns, and to the propelling of other machinery; the apparatus described is one of those un-mechanical contrivances, in examining which a person who has no, or but little, acquaintance with the subject, may readily become bewildered, and imagine that, by the time the action of the first mover is transmitted through the long train of levers, wheels, and pinions, some wonderful effect must be produced.

A weight is to be wound up, and the shaft upon which it is wound is to operate upon a sort of pendulum, which in its turn, through the inter-medium of wheels, pinions, levers, &c., is to afford great assistance to the dairy-maid, who, however, will soon be willing to dispense with its services.

Journal of the Franklin Institute, Vol. 15, May 1835 pg. 314.

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