Classifications

• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C5/00—Constructions of non-optical parts
  • G02C5/008—Spectacles frames characterized by their material, material structure and material properties
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C3/00—Special supporting arrangements for lens assemblies or monocles
  • G02C3/003—Arrangements for fitting and securing to the head in the position of use
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C5/00—Constructions of non-optical parts
  • G02C5/22—Hinges
  • G02C5/2272—Hinges without well-defined pivot axis
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/12—Frame or frame portions made from sheet type material
• • G—PHYSICS
  • G02—OPTICS
  • G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
  • G02C2200/00—Generic mechanical aspects applicable to one or more of the groups G02C1/00 - G02C5/00 and G02C9/00 - G02C13/00 and their subgroups
  • G02C2200/22—Leaf spring

Definitions

• the present invention relates to eyewear, and more particularly relates to a temple
• temple front end may pivot with respect to an eyewear front without
• the plastic temple is subjected to cold working by pressing or rolling the plastic
• the present invemion provides a hingeless temple which achieves a unique
• the present invention provides a tempie which has an elongated
• a member which is formed from a flexible material, preferably a shape-memory alloy such as
• the temple is formed at the forward end thereof into a configuration which affords
• the specific configuration is characterized by three separate curved bends
• each pivot bend in the temple is formed as part of a circle of
• the temple In the unbiased condition of the temple, the temple extends in the open position
• the temple is easily pivoted
• the temple may be folded against the
• Means are provided to latch each temple in the folded position
• Figure 1 is a top plan view of the temple of the invention
• Figure 2 is a side, elevational view of the temple shown attached to an eyewear front with
• Figure 3 is a top plan view of an eyewear having two temples in accordance with the
• Figure 4 is a front, elevational view of the eyewear of Fig. 3;
• Figure 5a is a plan view of the front end of the temple attached to a separate lens
• Figure 5b is an exploded, front elevational view of a lens (fragmented) and the attachment
• Figure 6 is a fragmented, perspective view of a temple tip showing one possible method
• Temple 10 includes three basic sections; an elongated section 16 having back
• elongated section 16 extends generally
• forward section 20 perpendicularly to forward section 20. At least forward section 20 and pivot section 18 are perpendicularly to forward section 20. At least forward section 20 and pivot section 18 are perpendicularly to forward section 20. At least forward section 20 and pivot section 18 are perpendicularly to forward section 20. At least forward section 20 and pivot section 18 are perpendicularly to forward section 20. At least forward section 20 and pivot section 18 are perpendicularly to forward section 20. At least forward section 20 and pivot section 18
• temples are formed from a flexible material, although it is preferred that the entire length of temple
• the entire length of temple 10 is formed from a ribbon of a shape-memory
• metal or metal alloy such as pure Titanium or NiTi, for example.
• the pivot section 18 is characterized by three bends bi, b , and b 3 which may be
• the middle bend b is in the opposite direction than
• Temple 10 has opposite inner and outer surfaces 22 and 24 which face toward and
• bend b extends toward inner surface 22
• bend b extends toward outer surface 24, and bend b 3
• each bend b_-b is of
• temple 10 substantially the same radius of curvature. Preferred dimensions for temple 10 are as
• Thickness ti of material at pivot section 18 0.025"
• Thickness of material t 2 at elongated and front sections 16 and 20 0.040"
• Temple 10 may be attached to any type of eyewear front, such as a front 26 seen
• a brow bar 26' includes slotted lateral end pieces 27 in which temple front end 12 may be secured with one or more rivets or pins 38
• temple 10 may be
• temple 10 is shown in solid lines in its normally open
• Any temple end piece may be
• elongated portion 16 is attached to elongated portion 16 as desired, for example an elastomeric temple boot 58.
• Temple 10 has been formed such that its unbiased position is close to pe ⁇ endicular to the
• the temples may be easily pivoted to their folded
• temple retention means could simply be an eyewear case (not shown) into which the
• the eyewear itself could be provided to maintain the temples in the folded position when
• the retention means could be any type of clasp, catch or detent, for example, located on any part of the eyewear including the temples and/or frame.
• latching means is shown in Fig. 6 in the form of a notch 60 which is cut or otherwise formed in temple boot 58 and wherein an edge of the other temple end may be inserted
• the other temple may or may not have a notch itself which would
• both temples Upon manually releasing the temple from the notch, both temples will automatically pivot to their open, unbiased position.
• Other types of the temples Upon manually releasing the temple from the notch, both temples will automatically pivot to their open, unbiased position.
• temple retention means are of course possible, and the invention is therefore not limited to the means described and shown herein.

Landscapes

• Physics & Mathematics (AREA)
• Health & Medical Sciences (AREA)
• General Physics & Mathematics (AREA)
• Ophthalmology & Optometry (AREA)
• Optics & Photonics (AREA)
• Eyeglasses (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

Family

ID=21869669

Family Applications (1)

Country Status (5)

Cited By (6)

Families Citing this family (4)

Citations (5)

• 1997
  • 1997-12-11 AU AU55891/98A patent/AU5589198A/en not_active Abandoned
  • 1997-12-11 JP JP52672498A patent/JP2001506013A/ja active Pending
  • 1997-12-11 EP EP97952227A patent/EP0944854A1/en not_active Withdrawn
  • 1997-12-11 WO PCT/US1997/021611 patent/WO1998026323A1/en not_active Application Discontinuation
  • 1997-12-11 CA CA002273967A patent/CA2273967A1/en not_active Abandoned

Patent Citations (5)

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