Beta Frames LLC

The Beta Group, Inc.

Brian A Thompson

John F Krumme

Robert B Zider

Eyeglass assemblies include an eyeglass lens having an engaging portion. The junction between the body portion of the lens and the engaging portion can consist essentially of smoothly curved surfaces. The engaging portion can be extend from the periphery of the lens or can be a recess in the lens. In some assemblies, under typical conditions of use, the engaging portion is maintained in contact with an eyeglass frame member by means of a removable bonding member (RBM). Under selected atypical ambient conditions, the RBM changes so that the engaging portion and the frame member can be separated. The RBM can be a suitable adhesive (RBA), or a component composed of a shape memory metal (RBSMA) or a material which softens when subjected to heat or other atypical condition.

Eyeglasses

Eyeglass assemblies including an eyeglass lens having an engaging portion. Under typical conditions of use, the engaging portion is maintained in contact with an eyeglass frame member by means of a removable bonding member (RBM). Under selected atypical ambient conditions, the RBM changes so that the engaging portion and the frame member can be separated. The engaging portion can extend from the lens, or can be a recess in the lens. The RBM can be a suitable adhesive (RBA), or a component composed of a shape memory metal (RBSMA) or a material which softens when subjected to heat or other atypical condition. The engaging portion can be shaped and treated to reduce stresses therein. Similarly, the open ends of an eyeglass rim can be maintained in contact with each other under typical conditions of use by an RBA or an RBSMA so that the rim is positioned around an eyeglass lens, but can be released under selected atypical ambient conditions.

An eyeglass assembly comprising a frame member comprising a tubular terminal portion (), and eyeglass lens () having an engaging portion () to which the frame member is fitted, and a composition () which (i) provides at least part of an interface between the engaging portion and the frame member and (ii) extends at least part way into a passage () which passes from the interface to an exposed face of the frame member or of the lens. The composition can be a UV-cured adhesive which can be weakened by heat so that the assembly can be easily disassembled.

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Byron, CA, United States of America

Brian A Thompson