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Patent No. 5377411

Hair Cutting Appliance

A haircutting appliance comprises an enclosed housing having a hollow handle connecting the housing to a vacuum source to carry away cut hairs from a subject's head.

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Class 74/366 - Single key


Subclass of Class 74 - Machine element or mechanism
Definition: Transmissions wherein there are constant mesh gears, some
No. of patents: 10
Last issue date: 08/21/2007


NumberTitleIssue Date
7259536Solar powered mobile
A solar powered mobile, comprising a drive housing fitting within a case, a solar cell panel fitted within the top of the drive housing, a clear cover over the solar cell panel, a removable DC motor with speed control driven by the solar cell panel, gears connecting...
08/21/2007
6196887Marine drive transmission
An improved, low horsepower, compact, high driving power, outboard motor having a reducing transmission located in the upper portion of the driveshaft housing and lower unit so as to provide a larger reduction ratio while maintaining a small lower unit to...
03/06/2001
5592855Transmission shift key
A shift key mechanism using a lateral pivot riding on milled ridges on the outer surface of a shift shaft in order to index a spring biased shift key to a gear location....
01/14/1997
5533416Transmission shift key
A shift key mechanism using a lateral pivot riding on milled ridges on the outer surface of a shift shaft in order to index a spring biased shift key to a gear location....
07/09/1996
5251504Automatic transmission
An automatic transmission is provided for driving a rotating wheel having an axle mounted onto a support frame and especially a bicycle frame. The transmission comprises a power input means such as a dual crank-pedal mechanism attached to the frame for re...
10/12/1993
5213001Power transmission element having increased torque capacity
A thermoplastic power transmission element having increased torque capacity. A power transmission element, such as a gear, pulley, sheave or sprocket, is formed of a thermoplastic material and includes a central hub arranged to surround and engage a keyed...
05/25/1993
5109722Self-detenting transmission shift key
A variable speed, draw key transmission having a number of gears of different gear ratios rotatably journalled on a shaft. The shaft includes a keyway containing a slidable key that may be selectively moved between the gears to change the output speed of ...
05/05/1992
5099713Gear drive unit with modifications
A transaxle or gear drive unit with an improved shift mechanism and gear drive is set forth. The shift mechanism is of the shift key type and certain gears have recesses to receive a lug of the shift key with the recesses having ramps which depress the lu...
03/31/1992
4583628Marine drive expanding clutch
Clutch apparatus (2) for a marine drive lower gear case (4) includes a wrapped spring clutch (18) mounted to a propeller shaft (6) for engaging drive gear means (8) for driving the propeller shaft. The clutch is radially expandable to engage the drive gea...
04/22/1986
4393534Floor cleaning and polishing machine
The subject to this patent application is apparatus for mechanically varying the speed of a disk, such as a floor treating pad (18), mounted for rotation about the axis of elongation (20) of a shaft (38) powered by a fixed speed motor. The pad (18) is sup...
07/19/1983
 
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