Retaining device for a block or suction element
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United States of America Patent
Stats
-
Feb 15, 2005
Grant Date -
N/A
app pub date -
Aug 20, 2002
filing date -
Nov 15, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Retaining device (1) for a block or suction element (10) in a centering device for spectacle lenses, having a support, which has a longitudinal axis (2), having a spherically dome-shaped bearing surface (3) on the support, having a spherical dome (5), which is mounted cardanically on the support and is complementary to the bearing surface, having a holding element (6) in the spherical dome for the block or suction element with a contact surface (11) for the spectacle lens, and having a radius (R) of the bearing surface and of the spherical dome, the mid-point (M) of which is located on the longitudinal axis of the support (1) on the contact surface for the spectacle lens.
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