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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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| Number | Title | Issue Date |
| 7341256 | Seal ring A seal ring which maintains a stable sealing performance over a long term is provided. In a first seal portion, linear contact portions which come into linear contact with the sidewall surface of an annular groove on the unsealed fluid side are continuously extended... | 03/11/2008 |
| 7165772 | Self-locking seal ring A self-locking seal ring is disclosed. The self-locking seal ring includes a ring body having a tab end segment on one end and a channel end segment on the opposite end. A lock tab is provided on the tab end segment, and a lock channel is provided on the channel end... | 01/23/2007 |
| 6705616 | Piston ring device in internal combustion engine In order to increase in concentration of HC in an exhaust gas due to an axial gap between a ring groove and a piston ring, when an internal combustion engine is at a lower temperature, particularly, during the starting or the low-speed operation of the internal comb... | 03/16/2004 |
| 5513857 | Piston sealing ring having interlocking ends A sealing device for being mounted on a piston which is movably fitted within a cylinder, includes a sealing ring member having opposite end portions which are interlocked with each other along the circumferential direction of the sealing ring member, and... | 05/07/1996 |
| 4844487 | Lock-step duo step split sealing ring A split sealing ring has a latch structure of overlapping, interengaging surfaces inclined to the ring's axis, which inclined surfaces seat against each other and intersect only the outer circumferential face of the ring and one of the axial faces of the ... | 07/04/1989 |
| 4533149 | Split seal ring with interlocking cut A seal ring for controlling fluid flow is provided with an interlocking cut allowing the seal ring to be latched into a continuous ring after being opened to allow positioning in an accompanying annular groove.... | 08/06/1985 |
| 4361337 | Piston ring with tongue and groove joint A piston ring having its ends shaped to form a tongue and groove joint disposed at an angle of about 45° with respect to the cylinder contact surface, the tongue having a hook-shaped structure receivable in a slot in the base of the groove of the other e... | 11/30/1982 |
| 4111438 | Sealing ring assemblies for pistons A sealing ring assembly for a piston has an outwardly springing carrier ring and an inwardly springing sealing ring which is located in an outer peripheral recess in the carrier ring. The gaps in the two rings of the assembly are displaced one from the ot... | 09/05/1978 |
