| Patent Number |
Title Of Patent |
Date Issued |
| 6964599 |
Method and apparatus for holding or mounting an object |
November 15, 2005 |
| Disclosed herein is a holding device, which includes a volumetrically controllable material and a volume controller in operable communication with that material. The volume controller is configured to subject the material to a condition that causes a physical change in volume of the |
| 6875090 |
Apparatus for finishing optical surfaces, including a pad compensation device |
April 5, 2005 |
| In a conformable lap and related method for finishing ophthalmic lens surfaces, a rigid base surface of the lap defines a nominal ophthalmic lens curvature corresponding to a predetermined range of curvatures. A work surface of the lap is defined by a thin, hard, polymeric material e |
| 6863602 |
Method and apparatus for blocking and deblocking a lens |
March 8, 2005 |
| Disclosed herein is a block including a block base configured to support a lens for surfacing or finishing, a cover retained to the base, and a formable material disposed between the base and the cover. Further disclosed herein is a system for blocking a lens including a block base c |
| 6645059 |
Device for retaining abrasive pad on lap in eyeglass lens making apparatus |
November 11, 2003 |
| A retainer for retaining an abrasive pad on a lens making machine and an abrasive pad adapted to such retention comprises a retainer nestable with a lap of a lens making machine wherein when such retainer is nested, a pad placed upon said lap before nesting will be trapped in the desired |
| 6561886 |
Device for retaining abrasive pad on lap in eyeglass lens making apparatus |
May 13, 2003 |
| A retainer for retaining an abrasive pad on a lens making machine and an abrasive pad adapted to such retention comprises a retainer nestable with a lap of a lens making machine wherein when such retainer is nested, a pad placed upon the lap before nesting will be trapped in the desired |
| 6527632 |
Lap having a layer conformable to curvatures of optical surfaces on lenses and a method for fini |
March 4, 2003 |
| In a conformable lap and related method for finishing ophthalmic lens surfaces, a rigid base surface of the lap defines a nominal ophthalmic lens curvature corresponding to a predetermined range of curvatures. A work surface of the lap is defined by a thin, hard, polymeric material e |
| 6478658 |
Apparatus for generating lens surfaces |
November 12, 2002 |
| An apparatus for simultaneously machining a plurality of lens blanks to provide a lens surface on each blank corresponding to a selected lens prescription includes a tool support assembly and a lens blank assembly. The tool support assembly movably supports at least one tool. The lens |
| 6464559 |
Device for retaining abrasive pad on lap in eyeglass lens making apparatus |
October 15, 2002 |
| A retainer for retaining an abrasive pad on a lens making machine and an abrasive pad adapted to such retention comprises a retainer nestable with a lap of a lens making machine wherein when such retainer is nested, a pad placed upon said lap before nesting will be trapped in the desired |
| 6375554 |
Retaining mechanism for lapping device |
April 23, 2002 |
| A quick change lap retaining device uses radially displaceable blades to engage a groove in the underside of a lap and thereby hold the lap in position. The device fails in the engaged position to prevent inadvertent movement of the lap. Removal of the lap occasioned by disengagement of |
| 6326054 |
Process and machine for coating ophthalmic lenses |
December 4, 2001 |
| In a process and machine for coating a surface of an ophthalmic lens, the lens is manually loaded by the operator to a wash/dry station within an enclosure of the coating machine. Thereafter, the machine computer controls the entire process. The machine is closed to minimize the intr |
| 6296707 |
Apparatus for coating a surface of one or more lenses |
October 2, 2001 |
| In an apparatus for coating a surface of at least one lens having pair of opposed major surfaces, al least one lens support is coupled to a frame and is rotatable relative thereto. A lens is releasably mounted to the lens support leaving one of the major lens surfaces exposed. A mounting |
| 6257957 |
Tactile feedback system |
July 10, 2001 |
| A system for enhancing lens preparation which allows for error compensation to provide nearly error-free lens fining and/or polishing. The system employs a flexure to allow three degrees of freedom for a lens being prepared. The system also employs a Hall effect circuit board to monitor |
| 6111706 |
Adjustable lens support assembly |
August 29, 2000 |
| An adjustable lens support assembly retains and supports a lens in fixed registration during the manufacturing process. The lens support assembly includes a plurality of adjustable spring-loaded lens retainer pins that enable a plurality of lenses of various diameters to be maintained |
| 6106665 |
Apparatus for making ophthalmic lenses by vacuum lamination |
August 22, 2000 |
| An apparatus is provided for making ophthalmic lenses by vacuum lamination wherein a front lens wafer (20) is laminated to a back lens wafer (22) with a layer of adhesive (24) disposed within the interface between the two wafers forming a composite lens (18). An upper flexible, transpare |
| 6106366 |
Lens grinder |
August 22, 2000 |
| A machine for cutting/grinding ophthalmic lenses has a lens spindle aligned on a vertical longitudinal axis and a tool spindle aligned on an angled axis in relation to the vertical axis. The lens blank is chucked on the upper end of the lens spindle and a tool is mounted on a lower end o |
| 6080044 |
Fining/polishing machine |
June 27, 2000 |
| A machine for fining/polishing ophthalmic lenses has a horizontal and vertical plates rigidly fixed in an inverted T. Eccentric shafts journalled 180 degrees out of phase on the horizontal plate orbit tools on one side of the vertical plate. A swing frame pivotally mounted on the oth |
| 6071176 |
Gauge for and method of calibrating a lens cutting/grinding machine |
June 6, 2000 |
| A calibration gauge for use in calibrating a lens cutting/grinding machine has a disk with a concentric post on one of its faces for chucking the disk to a lens spindle. A target delineated on the other face of the disk consists of bands aligned on the X and Y axes and intersecting at th |
| 6051091 |
Method for making ophthalmic lenses by vacuum lamination |
April 18, 2000 |
| A method is provided for making ophthalmic lenses by vacuum lamination wherein a front lens wafer (20) is laminated to a back lens wafer (22) with a layer of adhesive (24) disposed within the interface between the two wafers forming a composite lens (18). An upper flexible, transparent |
| 5980360 |
Method and apparatus for performing work operations on a surface of one or more lenses |
November 9, 1999 |
| In an apparatus for performing work operations on a surface of one or more lenses, a frame and a mounting bracket adapted to releasably support at least one lens blank are provided. At least three pairs of articulated supports are also included with a first end of each of the supports be |
