CENTERING AND EDGING DEVICE FOR GLASS LENS

PROBLEM TO BE SOLVED: To enable to chamfer a lens to be processed by correcting a reference chamfer amount by a correction amount corresponding to a differential amount between the thickness of the lens to be processed having a thickness error and the thickness of a master lens only by setting a ref...

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Hauptverfasser:	NAKAMITSU HISAKAZU, NISHIMURA TOMIO
Format:	Patent
Sprache:	eng
Schlagworte:	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
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creator	NAKAMITSU HISAKAZU NISHIMURA TOMIO
description	PROBLEM TO BE SOLVED: To enable to chamfer a lens to be processed by correcting a reference chamfer amount by a correction amount corresponding to a differential amount between the thickness of the lens to be processed having a thickness error and the thickness of a master lens only by setting a reference chamfer amount using the master lens. SOLUTION: This device includes a first stopper 12 disposed so as to integrally move with a movable side bell holder 4, a second stopper 13 disposed so as to integrally move with a grinding device, and a lever 11 pivotally attached through a spindle 10 fixed at an intermediate portion of the first stopper 12 and the second stopper 13. The lever 11 rotates with the movement of the movable side bell holder 4 by supporting so that a first contact portion 11a on the one end side may be brought into constant contact with the first stopper. It is constituted so that a clearance between the second contact portion 11b on the other end side and the second stopper 13 may become directly proportional to the thickness of the lens when the lens is clamped by the fixed side bell holder 1 and the movable side bell holder 4. COPYRIGHT: (C)2005,JPO&NCIPI
format	Patent
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SOLUTION: This device includes a first stopper 12 disposed so as to integrally move with a movable side bell holder 4, a second stopper 13 disposed so as to integrally move with a grinding device, and a lever 11 pivotally attached through a spindle 10 fixed at an intermediate portion of the first stopper 12 and the second stopper 13. The lever 11 rotates with the movement of the movable side bell holder 4 by supporting so that a first contact portion 11a on the one end side may be brought into constant contact with the first stopper. It is constituted so that a clearance between the second contact portion 11b on the other end side and the second stopper 13 may become directly proportional to the thickness of the lens when the lens is clamped by the fixed side bell holder 1 and the movable side bell holder 4. 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SOLUTION: This device includes a first stopper 12 disposed so as to integrally move with a movable side bell holder 4, a second stopper 13 disposed so as to integrally move with a grinding device, and a lever 11 pivotally attached through a spindle 10 fixed at an intermediate portion of the first stopper 12 and the second stopper 13. The lever 11 rotates with the movement of the movable side bell holder 4 by supporting so that a first contact portion 11a on the one end side may be brought into constant contact with the first stopper. It is constituted so that a clearance between the second contact portion 11b on the other end side and the second stopper 13 may become directly proportional to the thickness of the lens when the lens is clamped by the fixed side bell holder 1 and the movable side bell holder 4. 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SOLUTION: This device includes a first stopper 12 disposed so as to integrally move with a movable side bell holder 4, a second stopper 13 disposed so as to integrally move with a grinding device, and a lever 11 pivotally attached through a spindle 10 fixed at an intermediate portion of the first stopper 12 and the second stopper 13. The lever 11 rotates with the movement of the movable side bell holder 4 by supporting so that a first contact portion 11a on the one end side may be brought into constant contact with the first stopper. It is constituted so that a clearance between the second contact portion 11b on the other end side and the second stopper 13 may become directly proportional to the thickness of the lens when the lens is clamped by the fixed side bell holder 1 and the movable side bell holder 4. COPYRIGHT: (C)2005,JPO&NCIPI</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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language	eng
recordid	cdi_epo_espacenet_JP2005081521A
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subjects	DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS GRINDING MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING PERFORMING OPERATIONS POLISHING TRANSPORTING
title	CENTERING AND EDGING DEVICE FOR GLASS LENS
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