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| Number | Title | Issue Date |
| 6872124 | Superfinishing apparatus The superfinishing apparatus according to the present invention includes a frame 51 for holding the entirety of the apparatus, a cam shaft 52 attached to the frame 51 so as to rotate freely, first and second eccentric cams 53, 54 which ar... | 03/29/2005 |
| 5683288 | Patternless edger apparatus for ophthalmic lens grinders A patternless edger apparatus is described which is mountable on mechanical pattern ophthalmic lens grinders. The apparatus has a mounting yoke adapted for mounting the apparatus in the place of the mechanical patterns to control the edge grinding of a le... | 11/04/1997 |
| 5562527 | Grinding machine for grinding eyeglass lenses A grinding machine for grinding eyeglass lenses includes at least one grinding wheel rotatably mounted on a chassis. A carriage is pivoted to the chassis to pivot about an axis parallel to the rotation axis of the grinding wheel. A support spindle is rota... | 10/08/1996 |
| 5476409 | Grinding machine A grinding machine has a driving mechanism for rotating a drive shaft, a sander supported on the drive shaft, a bracket provided swingably on a housing for supporting the drive shaft, a drive shaft moving mechanism for moving the drive shaft in the axial ... | 12/19/1995 |
| 5283981 | Cam feed unit for a machine tool A hydraulic cam feed unit is provided for moving a tool slide linearly towards and away from a workpiece. The feed unit comprises a hydraulic advance cylinder having a double rod, one end of which is connected to the tool slide to move the tool slide towa... | 02/08/1994 |
| 5123213 | Two stage centerless grinders A two stage centerless grinder for shaping work pieces wherein each stage comprises a grinding wheel and associated regulating wheel with work supporting means therebetween and a venturi means for feeding the work pieces to the first stage for a first ini... | 06/23/1992 |
| 5044122 | Method and apparatus for beveling an inside edge of a glass article A method for uniformly beveling an inside edge of a glass article having an opening at one end thereof includes the steps of: providing a plate having a peripheral shape generally corresponding to that defined by the edge of the glass article, the plate h... | 09/03/1991 |
| 4969297 | Roll-camber grinding apparatus A roll-camber grinding apparatus includes a base having a pair of linear bearings parallelly fixed to a flat face of the base. A sliding seat is slidably mounted on the linear bearings. A power-driven grinding wheel is mounted on the sliding seat. An adju... | 11/13/1990 |
| 4941865 | Method and apparatus for forming metallized packaging material A continuous method of forming a repetitive pattern on a metallized film substrate is disclosed as including the steps of continuously feeding a web of metallized film substrate at a predetermined web speed, selective dry removal of predetermined metalliz... | 07/17/1990 |
| 4866884 | Lens grinding methods and apparatus A lens grinding machine includes a grinding tool mounted on a tool support, and a lens holder mounted in a tailstock assembly. The lens is positioned for grinding by advancing the tailstock assembly into engagement with the tool support. A push-back membe... | 09/19/1989 |
| 4860497 | Drill grinder having drill holder including chucks for gripping shank and body of the drill A drill grinder for grinding a point of a drill including a shank, and a body which has the point. The drill grinder includes a holding device for removably holding the drill, and a grinding wheel adapted to be forced on the drill point, and to thereby gr... | 08/29/1989 |
| 4739588 | Method and apparatus for jointing rotatable cutter heads A jointing method and apparatus is described for jointing rotating blades on surfacing machines such as wood planers. The apparatus includes a pair of rods secured to the surfacer framework. An actuator mechanism is slidably mounted to the rods by a pair ... | 04/26/1988 |
| 4637168 | Spectacle lens edge grinding machine A spectacle lens edge grinding machine either having a support which carries the template abutment and the grinding wheel, and which can be moved toward the fixedly mounted support shaft for the spectacle lens and the template, or a support which carries ... | 01/20/1987 |
| 4577361 | Brush tool The tool serves to brush the upper and lower counterbores and the channels which interconnect the counterbores in the lower flange of the lower guide tube of a nuclear reactor. The top entrance to the counterbores is partially obstructed by the wall of th... | 03/25/1986 |
| 4538383 | Front surface grinding machine and method Each workpiece holder of a grinding machine is reciprocated relative to and turned about an axis parallel to that of a wheelhead spindle. Workpieces carried by the holder are brought from in front of and to the side of an abrasive wheel front working surf... | 09/03/1985 |
| 4182083 | Grinding wheel feed programmer A mechanism for programming the number of increments of feed of a grinding wheel into a workpiece and the extent of the feed of each increment. The mechanism has a cam and a follower operably associated with a grinding wheel to feed the wheel toward a wor... | 01/08/1980 |
| 4067148 | Feed apparatus for grinding machine A feed apparatus for a grinding machine including a bed, a swivel base rotatably mounted on the bed, a wheel support slidably mounted on the swivel base for sliding movement in a direction slanted by a predetermined angle with respect to a radial directio... | 01/10/1978 |
