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Patent No. 5107620

Electrified Table Cloth

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

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Class 74/381 - Windmill turntable


Subclass of Class 74 - Machine element or mechanism
Definition: Gearing of the windmill type.
No. of patents: 5
Last issue date: 11/09/1982


NumberTitleIssue Date
4358243Multiple rotary wind power systems
A wind power system driven by multiple rotary devices strung on a cable....
11/09/1982
4311435Balanced power transmission device
A balanced power transmission device having specific utility for windmill applications utilizing conventional propellers on a horizontal shaft. The horizontal propeller shaft is located on a tower and drives a pair of freely rotating gears in opposite dir...
01/19/1982
4224012Timing mechanism for wind motors
A plate is carried by the blade support shaft journalled within the frame of a wind motor. The axle shaft of the blade is securable to the plate at variable distances relative the support shaft to selectively vary the offset of the blade. A primary drive ...
09/23/1980
4211126Wind machine system for pushing and lifting loads and having improved counterbalancing
A wind machine has a tower frame formed by four converging beams. At the top of the tower is a gear head connected to a wind driven rotatable multibladed rotor. Connected to the gear head is a vertical shaft which is reciprocated vertically as the rotor r...
07/08/1980
4068131Wind electric plant
A multiblade, wind-driven, variable pitch propeller is used in a wind electric plant for the generation of electrical power from wind forces, and the propeller is rotatable in a plane at an angle to the tower axis, enabling larger propellers to be used wi...
01/10/1978
 
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