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A forehead support apparatus for resting a standing users forehead against a wall above a bathroom commode or urinal or beneath a showerhead.
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| Number | Title | Issue Date |
| 6758733 | Two-part beveling wheel for improved positioning of bevel contours on ophthalmic lenses A bevel edging wheel is described which has differing hardness abrasive matrices on the bevel cutting surfaces. The bevel edging wheel, which is suitable for edge finishing of an optical lens, includes: (1) a hub portion for attachment to a rotary power source: and ... | 07/06/2004 |
| 6200413 | Quadri-point precision sphere polisher A system and method for polishing spherical shaped devices is disclosed. The system includes a carrier and an enclosure. The carrier has two projections so that when a device is placed between the projections, it contacts the carrier at two contact points... | 03/13/2001 |
| 5562524 | Polishing apparatus Apparatus for polishing a side of a thin, flat wafer of a semiconductor material includes first and second polishing heads which each hold a wafer against a wetted polishing surface and which each rotate and oscillate its respective wafer over the polishi... | 10/08/1996 |
| 5335457 | Method of chucking semiconductor wafers A method of chucking semiconductor wafers, in which a silicone elastic layer with high flatness is formed on the surface of a hard substrate having fine through-holes for vacuum chucking. Next fine through-holes in the silicone elastic layer, are provided... | 08/09/1994 |
| 5315791 | Steel ball machining apparatus capable of eliminating foreign matter A steel ball machining apparatus comprises a ball machining mechanism having a pair of machining plates which are adapted to oppose and rotate relative to each other, a steel ball storing vessel for supplying to and receiving from said polishing mechanism... | 05/31/1994 |
| 5301470 | Ball lapping machine In a ball lapping machine in which balls are machined by lapping between two lapping plates, namely a stationary plate and a turn table, the structure is arranged with a central shaft having a common center line with a sleeve rotative around the center sh... | 04/12/1994 |
| 5207759 | Texturing slurry and method A method for texturing a disc substrate, and a particle slurry for use in the method. The slurry includes two populations of different-size particles, preferably one population containing particles in a 3 micron size range, and a second population contain... | 05/04/1993 |
| 5085007 | Toric lens fining apparatus A fining apparatus to finish the surface of an ophthalmic toric lens including a frame, a compound arcuate tool, a lens holding assembly, a motor for driving the tool in an orbital motion and the operative length of the tool is defined by the equation L=1... | 02/04/1992 |
| 4501091 | Apparatus for preparing an optical workpiece A drum is mounted to rotate about its drum axis. A pair of elongated, complementary guides are proximate to and extend along the axial length of the drum. The guides are sized and spaced to allow a workpiece to span the guides and roll upon them. A driver... | 02/26/1985 |
| 4370772 | Device for gentle treatment of spherical balls Method and device for treatment of balls, in particular balls for rolling bearings, by gentle mechanical treatment in the presence of a cleaning fluid or the like. According to the invention, the treatment of the entire surface of each ball is accomplishe... | 02/01/1983 |
| 4095373 | Machine for producing spherical objects A vertical plate machine for machining spherical objects, wherein the objects are worked between opposed generally vertical faces of opposed working plates which are relatively rotated, has a wheel carrying two plates in opposition to plates carried by no... | 06/20/1978 |
| 4069621 | Apparatus for machining bearing rolls An apparatus for machining bearing balls has a motor which drives, through an elastic coupling, a gear box connected by a telescoping coupling to a crown gear device. The output of the crown-gearing is applied to a rotatable disk. An electric motor drives... | 01/24/1978 |
| 3999330 | Apparatus for manufacture of bearing balls Apparatus for machining bearing balls comprising the steps of locating the balls between two opposed working surfaces rotating one of the bodies about an axis, and driving the other body in plane angular thereto and tangentially of the ball to create a ro... | 12/28/1976 |
