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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 16/60 - Cam


Subclass of Class 16 - Miscellaneous hardware
Definition: Devices having cam or eccentric operating means for the
No. of patents: 7
Last issue date: 04/12/2011


NumberTitleIssue Date
7921511Door closer
A door closer comprises a spindle journaled in a housing and connected to turn with a door. Upon rotation of the spindle, a cam carried by the spindle effects linear movement of a slide assembly relative to the housing. A piston is connected with the slide assembly....
04/12/2011
7421761Door closer
A door closer comprises a spindle journaled in a housing and connected to turn with a door. Upon rotation of the spindle, a cam carried by the spindle effects linear movement of a slide assembly relative to the housing. A piston is connected with the slide assembly....
09/09/2008
7155777Closure mechanism for hinged devices
A closure mechanism for hinged devices having an upper member and a lower member. The closure mechanism includes a track disposed on the upper member and at least one support arm pivotally attached to the lower member. A biasing element is adapted to urge the suppor...
01/02/2007
7007341Door closer
A door closer includes a closer casing, a pivot unit, and a length-variable damping cylinder. The pivot unit includes a pivot axle, a cam member, and a cam follower member. The pivot axle has a drive end portion that extends into and that is retained rotatably in th...
03/07/2006
6442795Damper for a pivot door
A damper for a pivot door has a piston movably received inside the damper and having a first channel and a second channel respectively and selectively communicating with a space full of hydraulic oil, such that the movement of the piston is able to be slo...
09/03/2002
5901412Top-mounted door closer
A door closer actuated by an eccentric cam plate includes a one-piece piston that is displaced axially by the rotation of the eccentric cam plate. The one-piece piston includes a damping piston portion located axially on one side of the eccentric cam plat...
05/11/1999
4064589Door closer
Disclosed herein is a device for closing swinging doors which is mounted in a door frame and has an elongated housing with a spindle rotatably mounted in one end thereof by which the door closer is secured to a door. A cylinder is interiorly formed in the...
12/27/1977
 
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