Device for square edge memory lens

Details Device for square edge memory lens Device for square edge memory lens

B - Operations, Transporting

29

D

B29D 11/00 (2006.01) B24B 9/14 (2006.01) B24B 13/005 (2006.01) G02B 3/00 (2006.01) G02B 7/02 (2006.01)

Patent

CA 2439245

A collet for holding a lens includes a first member having a first end and a second end that defines a first surface capable of engaging the first side of the lens. A second member has a third end and a fourth end that defines a second surface capable of engaging the second side of the lens. At least a selected one of the first member and the second member includes a magnetic coupler that is capable of providing attractive magnetic force between the second end of the first member and the third end of the second member, thereby supporting a lens therebetween. A selected one of the first member or the second member also includes an exterior surface that is capable of being secured to a mandrel of a lathe or drill.

Un collet destiné à maintenir une lentille comprend un premier élément présentant des première et seconde extrémités qui définit une première surface pouvant venir en contact avec la première face de la lentille. Un second élément présentant des troisième et quatrième extrémités définit une seconde surface pouvant venir en contact avec la deuxième face de la lentille. Au moins un élément sélectionné parmi les premier et second éléments comprend un coupleur magnétique capable d'exercer une force magnétique d'attraction entre la seconde extrémité du premier élément et la troisième extrémité du second élément de manière à y maintenir la lentille. Un élément sélectionné parmi le premier élément et le second élément comprend également une surface extérieure pouvant être fixée à un mandrin de tour ou de drille.

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