US 4,544,245 A · Adjustable safety spectacle

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.

Claims13

Dependent claims

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 forming recesses at opposite ends of the frame member,
a pair of temple members each having an inner end portion received within a recess,
individual means coupled to the outwardly extending arm portions of the frame member and the inner end portions of the temple members for individually pivotably mounting the temple members to extend from the outwardly extending arm portions, and
each means including a pair of pin members extending from opposite sides of the inner end portion of each temple member and a pair of openings on opposite sides of each recess formed by the oppositely extending arm portion for receiving the pin members and with one opening having a configuration for receiving one pin member for only pivotable movement and with the other opening having an elongated configuration having a plurality of stop positions for receiving the other pin member for sliding movement along the elongated opening to any one of the stop positions in accordance with pivotable movement of the one pin member in the one opening for producing a pivoting of the individual temple members, within the recess formed by the outwardly extending arm portion.

1 more element

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 forming recesses at opposite ends of the frame member,
a pair of adjustable length temple members each having an inner end portion received within a recess,
individual means coupled to the outwardly extending arm portions of the frame member and the inner end portions of the temple members for individually mounting the temple members to extend from the outwardly extending arm portions,
each temple member includes a telescoping side arm for providing an adjustment in the length of the temple members, and
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 with each side arm including a projection engaging the slot and with an end of the slot in combination with the projection from the side arm preventing the side arm from being pulled out of the channel.

2 more elements

Dependencies are inferred from the claim text.

Adjustable safety spectacle

Life of this patent

Adjustable safety spectacle

Life of this patent

Abstract

Claims13