Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Temples
Patent
1979-07-16
1985-10-01
Bovernick, Rodney B.
Optics: eye examining, vision testing and correcting
Spectacles and eyeglasses
Temples
351118, 351 86, 351149, G02C 520, G02C 514
Patent
active
045442452
ABSTRACT:
An adjustable safety spectacle including a frame member including a nose bridge and lens supporting sections extending from the nose bridge and with the lens supporting sections including outwardly extending arm portions, a pair of adjustable length temple members including telescoping side arms, individual means coupled to the outwardly extending arm portions of the frame member and the temple members for individually pivotably mounting the temple members to extend from the outwardly extending arm portions, each temple member formed with an interior channel having a slot on a bottom wall and with substantially closed top and side walls and including an interior projection into the channel and with each side arm including a ratchet portion engaging the interior projection for providing a plurality of fixed telescoping positions and each individual means including a pair of pin members and a pair of openings for receiving the pin members and with one opening receiving one pin member for pivotable movement and with the other opening elongated and with a plurality of fixed positions and with the other opening receiving the other pin member for sliding movement to any one of the fixed positions for producing a pivoting of the individual temple members about the one pin member.
REFERENCES:
patent: 2427918 (1947-09-01), Malcom et al.
patent: 2715224 (1955-08-01), Morrow
patent: 2797617 (1957-07-01), Ring
patent: 2918570 (1959-12-01), Deidring
patent: 4017165 (1977-04-01), Davis
patent: 4196982 (1980-04-01), Watkins
Bovernick Rodney B.
McKesson Corporation
Roston Ellsworth R.
Schwartz Charles H.
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