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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 74/349 - Multiple cone


Subclass of Class 74 - Machine element or mechanism
Definition: Transmissions in which a plurality of cone type gears are
No. of patents: 22
Last issue date: 03/06/2012


NumberTitleIssue Date
8127636Variable transmission for a motor vehicle
A variable speed transmission including a housing, a frusto-conical gear having a hollow extending longitudinally through the gear and a plurality of spaced teeth on an inner and/or outer surface thereof. The plurality of spaced apart teeth include alternately teeth...
03/06/2012
7665377Cone and idler continuously variable transmission
A continuously variable transmission system comprising an input and output rotational member each with a first circular end and a second circular end is disclosed. The output rotational member is located such that the second circular input member end faces the first...
02/23/2010
7574935Transmission
In a transmission having two revolving transmission elements, each of which has at least one running surface for a revolving coupling element, at least one running surface having at least two running paths for the coupling element having different running radii and ...
08/18/2009
7461570Variable transmission using frusto-conical gears and sliding face gears
A variable transmission that works in conjunction with a conventional vehicle automatic transmission, includes at least one frusto-conical gear having a hollow space therewithin for housing a plurality of sliding face gears supported on a main power shaft, wherein t...
12/09/2008
7448292Transmission
A transmission with a simple structure and mechanism, light-weight and compact is realized. In the transmission, a first rotation shaft coaxially fixed to a first turning transmission wheel and a second rotation shaft coaxially fixed to a second turning transmission...
11/11/2008
7326137Gear for a bicycle
The invention relates to a compact installation gear with, for instance, a ⅜″ derailleur chain and a derailleur for setting a transmission ratio between a crankshaft and a rear hub of a bicycle. To that end, the gear comprises a compact housing with the cranksha...
02/05/2008
7267023Miter gear transmission
A miter gear transmission includes a driving shaft, an idler cluster and a driven shaft. The idler cluster includes two cone-shaped gear sets, each having a proximate end with a gear having a largest number of teeth and a distal end with a gear having a smallest num...
09/11/2007
7231845Cone selector and associated transmission assembly
A multi cone selector in a transmission employs sandwiched cone friction surfaces 19A, 20A and 21A and these are shown in free or unengaged state while the corresponding friction surfaces as numerals 19, 20 and 21 are shown as enga...
06/19/2007
7017438Hydraulic gear selection drive means and associated transmission assembly
In a transmission of the constant mesh type a number of gear selectors are driven by using a hydraulic coupling between input and output pistons. The hydraulic coupling functions as a hydraulic spring and force multiplier. A hydraulic actuator (23) is receive...
03/28/2006
6955624Motor vehicle drivetrain having at least two CNT's and flywheels
This design is for a motor vehicle drivetrain utilizing flywheel rotation to store energy during the vehicle trip, either storing energy when accellerated, or releasing energy when slowed depending on the vehicle power requirements. At the same time the engine is al...
10/18/2005
6796200Multi speed bicycle transmission including eccentric cranking assembly
A bicycle transmission has a plurality of cone gears with multiple gear surfaces and a corresponding plurality of ratio-change assemblies for selecting one of the gear surfaces of each cone gear. One cone gear provides reductions of the input rotary speed while the ...
09/28/2004
6499373Stack of gears and transmission system utilizing the same
A stack of gears including and a first and a second gear disposed in parallel relation to, and sharing a common axis with, the first gear. Each gear is of a different diameter and each includes a plurality of teeth. At least one transition train is teeth ...
12/31/2002
6360625Power transmission apparatus and vehicle using power transmission apparatus
The invention provides a power transmission apparatus having a reduced power transmission loss. In the power transmission apparatus, an input shaft side variable pitch circle gear, an output shaft side variable pitch circle gear and a cycloid sliding gear...
03/26/2002
6349607Transfer ring for continuously variable transmission
A transfer ring (10) for a continously variable transmission. The transfer ring (10) includes an inner ring (12), an outer ring (18) and a spacer ring (24). The inner, outer and spacer rings are substantially coaxial with a transfer ring (10) axis. The sp...
02/26/2002
6343521Infinitely variable gear transmission
An infinitely variable gear transmission system includes a pair of cones, one the driving cone and the other the driven cone, in which each have at their external surfaces a pair of gears which interact to transmit power from the driving gear to the drive...
02/05/2002
6257083Infinitely variable gear transmission system
An infinitely variable gear transmission system includes a pair of cones, one the driving cone and the other the driven cone, in which each have at their external surfaces a pair of gears which interact to transmit power from the driving gear to the drive...
07/10/2001
6186017Multi-speed bicycle transmission
A multi-speed bicycle transmission having a housing including spaced, opposing face plates, with each face plate having a pedal shaft opening and a secondary shaft opening. A pedal shaft is rotatably disposed within the pedal shaft openings of the face pl...
02/13/2001
6089114Bicycle transmission with selectable automatic down shifting
A multi-speed transmission for bicycles, comprising: a housing including spaced, opposing face plates, each face plate having a pedal shaft opening and a secondary shaft opening; a pedal shaft rotatably disposed within said pedal shaft openings; a seconda...
07/18/2000
6055880Transfer ring and gear arrangement for non-slip continuously variable transmission
A continuously variable transmission (10) having input (12) and output (14) gearsets each having a pair of bevelled gears (16) rotatable about generally coplanar respective axes of rotation (22) and with the two bevelled faces (24) in a spaced-apart paral...
05/02/2000
4630495Variable ratio power transmission means
There is disclosed a continuously variable ratio power transmission means comprising truncated cones having concave parabolic circumferential surfaces which surfaces are in rolling contact one with another and which can be moved in a linear fashion to pro...
12/23/1986
4515030Extended range variator for fuel pump computer
A pricing mechanism for a mechanical computer, used in connection with a fuel dispensing pump, is of expanded capacity, enabling a price of $0.000 to $4.999 to be set and posted. The mechanism for expanding the variator comprises a supplemental range asse...
05/07/1985
4183256Variable ratio angular speed converter
A variable-ratio angular speed converter of the gear box type is arranged so that each speed reduction setting on the output shaft is a prescribed fraction of the speed reduction of the next-preceding setting. A first tapered gear cluster is fixedly suppo...
01/15/1980
 
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