Lens tray positioning apparatus

Details Lens tray positioning apparatus Lens tray positioning apparatus

2006-12-14

2008-09-09

Wilson, Lee D (Department: 3723)

Work holders

Work-underlying support

With work-stop abutment

C269S045000, C269S291000

Reexamination Certificate

active

07422202

ABSTRACT:
A lens tray positioning apparatus includes a supporting member, at least three non-collinear positioning members and at least one guiding screw member. The supporting member includes a supporting surface and at least one slot defined in the support surface. The at least three non-collinear positioning members are arranged on the supporting surface and include at least one movable positioning member. The at least one movable positioning member is coupled to and threadedly movable relative to the at least one guiding screw member. The at least one guiding screw member is arranged in the at least one slot and is configured for driving the at least one movable positioning member to move. The at least three positioning members are configured for cooperatively retaining a lens tray in position.

REFERENCES:
patent: 2655188 (1953-10-01), Catching, Jr.
patent: 4116426 (1978-09-01), Kessler
patent: 5386654 (1995-02-01), Kroenke
patent: 5516089 (1996-05-01), Seniff et al.
patent: 6446951 (2002-09-01), Nuxoll et al.
patent: 6708965 (2004-03-01), Nuxoll et al.
patent: 2008/0029948 (2008-02-01), Wu

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