Eyeglass frame having removable lens
AssigneeSol-Optics, Inc.
InventorCharles I. Solomon
Life of this patent
Estimating the term…
Abstract
An eyeglass frame having removable lenses comprising of lens rings which are split into an upper and lower ring portion. Interposed between the upper and lower ring portions, and forming an integral part of the frame are positive actuating means to force open or draw closed the split lens rings to facilitate insertion and removal of lens. Several species of eyeglass frame are visualized. The preferred species utilizes a turnbuckle arrangement or a coupling post. Other species visualized are torsional spring action closure, helical spring action, and double loop retention.
Claims8
An eyeglass frame adapted to receive removable lens comprising:
- a. a pair of split lens rings connected by a nose bridge, said split lens rings adapted to receive and retain eyeglass lenses;
- b. temple means secured to each of said lens rings;
- c. at least one turnbuckle connected to said pair of split lens rings for opening and closing said split in said split lens rings to allow said eyeglass lenses to be retained or removed from said split lens rings, said turnbuckle forming an integral part of said split rings and capable of being loosened or tightened by hand without the aid of a separate instrument.
An eyeglass frame adapted to receive removable lens comprising:
- a. a pair of split lens rings connected by a nose bridge, said split lens rings adapted to receive and retain eyeglass lenses;
- b. temple means secured to each of said lens rings;
- c. a jacking post disposed perpendicularly between said nose bridge and an upper portion of said eyeglass frame, said jacking post threaded into said nose bridge and said upper portion of said eyeglass frame enabling said split lens rings to be opened or closed upon turning said jacking post, said jacking post capable of being loosened or tightened by hand without the aid of a separate instrument.
An eyeglass frame adapted to receive removable lens comprising:
- a. a pair of split lens rings connected by a nose bridge, said split lens rings adapted to receive and retain eyeglass lenses;
- b. temple means secured to each of said lens rings;
- c. at least one positive actuating means connected to said pair of split lens rings for opening and closing said split in said split lens rings to allow said eyeglass lenses to be retained or removed from said split lens rings, wherein said positive actuating means forms an integral part of said split rings and comprises a rod having oppositely threaded ends thereon, said rod being shaped so as to be capable of being loosened or tightened by hand and threaded bushings securely affixed within said split lens ring for receiving said rod.
Dependencies are inferred from the claim text.