G - Physics
02
C
88/30, 88/38
G02C 1/06 (2006.01) G02C 7/02 (2006.01)
Patent
CA 1079104
ABSTRACT OF THE DISCLOSURE A pair of safety spectacles having disposable lenses which may be replaced by the wearer without the use of tools. The frame front has a pair of rims each internally recessed to receive a lens, the recess in each rim being of a preselected peripheral configuration and including a plurality of spaced slots extending therebeyond into the rim. The lenses have a peripheral shape matching the recess and are provided with peripheral tabs adapted to be snapped into and out of the spaced slots with finger pressure.
276864
Burkhardt Wayne W.
Fischlein Robert R.
Spiers Theodore R.
American Optical Corporation
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