GB Patent: 189,523,771 - Improvements in self-propelling road vehicles


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GB Patent: GB-189,523,771

Improvements in self-propelling road vehicles

Patentee:

Edward Joel Pennington (exact or similar names) - Racine, WI

USPTO Classifications:

Tool Categories:

household : bicycles and tricycles

propulsion and energy : internal combustion engines : gas and gasoline engines

transportation : bicycles and tricycles

Assignees:

Motor Cycle Co. - Chicago, IL

Manufacturer:

Not known to have been produced

Witnesses:

Unknown

Patent Dates:
Applied:	Dec. 11, 1895
Granted:	Feb. 29, 1896

Patent Pictures:

Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Pennington Machine Works

Description:

See also US patent 570,440.

This internal combustion engine is intended for use on a powered bicycle or tricycle, what is nowadays called a moped. The primary innovation is to dispense with the heavy flywheel and instead use the rider's momentum to store energy so that the engine keeps turning during the compression stroke. The patent says, "Apart from such load, my new and improved vehicle will not run, for the compression of the explosive mixture acts as a brake; but when the rider mounts and starts the vehicle, the additional weight stores the power and furnishes the momentum for overcoming the resistance opposed by the compression. I prefer to retain the usual pedal driving gear on my new or improved vehicle, so that the rider may use the same to assist in starting or in hill-climbing, although I have found it unnecessary to resort thereto, even over hills of more than ordinary steepness..."