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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 474/219 - Including separate locking member for retaining link-connector in laterally aligned openings through adjacent links


Subclass of Class 474 - Endless belt power transmission systems or components
Definition: Subject matter wherein a retainer device is separably fastened
No. of patents: 15
Last issue date: 02/12/2008


NumberTitleIssue Date
7329198Silent chain
In a silent chain composed of interleaved rows of link plates held by connecting pins secured to guide plates disposed along the sides of the chain, the guide plates are formed with protrusions, and are deformed so that they exert a spring action on the rows of link...
02/12/2008
7320656Plate-link chain
A drive chain suitable for use in a continuously variable transmission of a motor vehicle, the transmission having two pairs of spaced drive members about which the chain passes to transfer torque from one drive member to the other. The chain includes a plurality of...
01/22/2008
7179184Link chain and method of making, assembling and utilizing the same
A link chain for use in the continuously variable transmission of the power train in a motor vehicle is assembled of pairs of composite identical or dissimilar links each having a stack of apertured plates, and of coupling units employing pairs of non-circular pins ...
02/20/2007
6558281Chain
A drive chain suitable for use in a continuously variable transmission of a motor vehicle, the transmission having two pairs of spaced drive members about which the chain passes to transfer torque from one drive member to the other. The chain includes a p...
05/06/2003
6539700Chain belt for continuously variable transmission
In a chain belt (1) for a continuously variable cone-pulley transmission of a vehicle, lengthwise links (3a, 3b, 3c) are connected by transverse coupling members (2a, 2b) passing through openings (4) in the links. Retainer elements (7) at the ends of the ...
04/01/2003
6241080Method for chain drive and chain
Method for chain drive, whereby the chain, such as a transmission chain, conveyor chain and/or like, is formed of several shaped pieces (1), that are connected to each other one after another at jointing points (N) by means of joint pins, and that is bein...
06/05/2001
6106425Single assembly phased chain
A chain and sprocket system includes a plurality of chain assemblies and phased or offset sprockets. The individual chain assemblies are interconnected by a retention bracket to form a single composite chain assembly....
08/22/2000
5445571Chain lock
In a chain lock for link chains with a plurality of lock parts (1,2) the lock parts (1,2) are connected with each other by projections. For increasing the load-bearing capacity of the chain lock the projections (5-10) in the area of the transition of thei...
08/29/1995
5269729Wear resistant chain joint seal
The invention provides sealing members for a chain. A pair of sealing members is provided for each end of a bushing. The sealing members respectively surround the ends of the bushing and are housed between inner sidebar portions and the outer sidebar port...
12/14/1993
4886485Taper-loc drag link and pin
Drag chain link and pin construction providing press fit nonrotational seating of pin ends in bifurcated boss ended arms of each link thereby excluding introduction of abrasive, wear producing particles, particularly encountered in cement manufacturing ki...
12/12/1989
4738654Power transmission chain pivot pin retainers
A retaining clip, which is essentially a C-shaped member, is used to retain the pivot means or joint members of a chain or chain-belt in assembled relationship. The clip spans the chain, and the clip ends engage the pivot means and/or the side links of th...
04/19/1988
4642079Transmission chain
A transmission chain for a conical disk transmission with intercoupled links receiving link pins of which the end surfaces bear against the disks, and in which the contact zones between the longitudinal sides of the pins and the links are shorter than the...
02/10/1987
4494945Roller chain link construction and method of manufacture
A power transmission roller chain link construction comprises a first link pin plate with a pair of spaced apart substantially parallel link pins secured to said plate in a press-fit so that they extend parallel to the plate. A bushing is fitted over each...
01/22/1985
4435022Track block
A track block for a track-laying vehicle. The block is characterized by an elongated unitary beam, with two diverging links extending radially in a common direction from opposite ends of the beam. The links are constructed to straddle, and to be hinged to...
03/06/1984
4263779Pin for rivetless chain
A T-headed pin for use in rivetless chain, generally of the trolley conveyor type, is disclosed. The pin can entirely replace the conventional forged pin of any ordinary size and has superior design matching abilities. It is unique in that it is construct...
04/28/1981
 
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