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US 5,627,608 AGranted
Spectacle frame having resilient legs
OwnerRichard Chaoinventor
Life of this patent
Estimating the term…
Abstract
A spectacle frame includes two extensions extended from the side portions and each having a pivot shaft and a channel. A pair of legs each has one end engaged through the channels and secured to the pivot shaft so as to allow the legs to be rotated about the pivot shafts. The legs each has a slide slidably engaged on the end end and each has a spring for biasing the slides to engage with the extensions. The springs may be easily engaged on the legs. No holes or cavities are required to be formed in the legs such that the strength of the legs will not be decreased.
Claims3
A spectacle frame comprising, in combination:
- a frame body for supporting lenses therein, said frame body including at least one side portion, with each side portion having an extension extended therefrom, said extension including a free end having a pivot shaft rotatably secured therein and having a channel formed therein, and with each side portion further including
- a leg including a first end engaged through said channel and secured to said pivot shaft so as to allow said leg to be rotated about said pivot shaft, said leg further including a middle portion having an outer portion,
- a slide slideably engaged onto the outer portion and a spring member, said spring member being engaged onto the outer portion and including a first end secured to said middle portion of said leg and a second end engaged with said slide for biasing said slide on the outer portion to engage with said free end of said extension.
Dependencies are inferred from the claim text.