WO1999066365A1 - A spectacle frame with adjustable arms - Google Patents
A spectacle frame with adjustable arms Download PDFInfo
- Publication number
- WO1999066365A1 WO1999066365A1 PCT/IT1998/000160 IT9800160W WO9966365A1 WO 1999066365 A1 WO1999066365 A1 WO 1999066365A1 IT 9800160 W IT9800160 W IT 9800160W WO 9966365 A1 WO9966365 A1 WO 9966365A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arm
- spectacle frame
- pincer element
- pincer
- rod
- Prior art date
Links
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
- G02C5/22—Hinges
- G02C5/2218—Resilient hinges
- G02C5/2236—Resilient hinges comprising a sliding hinge member and a coil spring
-
- 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
- G02C5/14—Side-members
- G02C5/20—Side-members adjustable, e.g. telescopic
-
- 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
- G02C2200/30—Piston
Definitions
- a spectacle frame with adjustable arms is adjustable.
- the subject of the present invention is a spectacle frame with adjustable arms according to the preamble to Claim 1.
- adjustment of the length of the arms enables the frame to be adapted better to the different morphological structures of various users so that the spectacles can be positioned and supported on the face in an optimal manner, ensuring a more comfortable fit.
- the adjustable arms of the frame are conventionally formed in two portions which are associated for sliding as extensions of one another and between which restraining and adjustment means, for example of the type with a friction slide or with a male and female screw system, are active.
- the arms have a fairly bulky and heavy structure which may be inappropriate, particularly in light-weight spectacles.
- the male and female screw adjustment system is slow and impractical for making fairly extensive adjustments. Disclosure of the Invention
- the main object of the present invention is to provide a spectacle frame which combines easy and extensive adjustability of the length of the arms with compactness of the arms and of their components so that they can be adapted to frames of different styles.
- Another important object of the invention is to provide a spectacle frame in which the adjustment of the arms is practical and easy even for unskilled people.
- a further object is to provide a frame in which a uniform adjustment of both arms is facilitated.
- Figure 1 is a side elevational view of a portion of a spectacle frame formed in accordance with the present invention
- Figure 2 is a partially-sectioned, exploded, perspective view of the arm of the frame of Figure 1
- Figure 3 is a plan view of a detail of Figure 2
- Figures 4 and 5 are longitudinal sections of the arm of the frame of the previous drawings in two different extreme adjustment positions
- Figure 6 is a section taken on the line VI-VI of Figure 5, and Figures 7 and 8 are schematic, perspective views of a frame with arms which can be opened out resiliently. Best mode of carrying out the invention
- a spectacle frame (shown only partially) formed in accordance with the present invention is generally indicated 1.
- the frame 1 is of the type having lens-holder rims 2 (only one of these is shown partially) , each having a respective hinge element or nose 3 in which an arm, generally indicated 5, is articulated by means of an eye or other hinge element 4.
- the present invention is also intended to be adaptable to frames which do not have lens-holder rims and in which the nose is mounted directly on the lens.
- Each arm 5 is composed of a first portion 6 and a second portion 7 which are associated for sliding as extensions of one another so that the overall length of the arm from the hinge element 4 to an opposed ear-piece 5a can be varied at will according to the morphological structure of the user's head.
- the first arm portion 6 is generally cylindrical and elongate along a longitudinal axis X and carries the hinge element 4 at one end and a pincer element, generally indicated 10, at the opposite end.
- the pincer element 10 consists of two jaws 11a, lib which jointly define a seat 12 with a cylindrical wall of axis X, housing a rod-like body 13 of the second portion of the arm 1 for sliding (when the pincer is not locked) .
- the two jaws are spaced radially by two diametrally-opposed slots 14 which, as well as ensuring resilient deformability of the jaws, also serve as guide means which house two appendages 15 formed by flattening of the portion of the end of the rod-like body 13 which is fitted in the seat 12. Relative rotation of the two arm portions is thus prevented.
- first arm portion 6 Along the outer surface of the first arm portion 6 in the direction away from the hinge-like element 4, there is a thread 16, followed by a first shoulder 17 and a second shoulder 18 both having frustoconical or inclined surfaces.
- Clamping means provided for closing the pincer element onto the rod-like body comprise an internally threaded sleeve 20 which is fitted on the pincer element in screwing engagement on the thread 16.
- the threaded sleeve 20 in the region of the frustoconical surfaces 17, 18, there is a corresponding number of matching frustoconical or inclined surfaces 21, 22 so that, when the threaded sleeve 20 is screwed onto the thread 16 of the pincer element, an interaction takes place between the surfaces 17, 18 and 20, 21, respectively, bringing about clamping of the jaws 11a, lib towards one another onto the surface of the rod-like body 13 fitted in the seat 12.
- the threaded sleeve 20 has an outer gripping portion 27 which is knurled or roughened in some other way, for example, by means of splines .
- a plurality of uniformly longitudinally-spaced marks such as notches 25 is formed on the rod-like body 13 and serves as a measuring device enabling the length of the rodlike body projecting beyond the first arm portion to be determined and both arms of the frame to be adjusted correspondingly.
- the notches 25 are formed on the side of the arm which faces the user's head in use and the corresponding end of the threaded sleeve 20 is used as a reference for reading the length of the arm.
- the first arm portion comprises a known resilient biasing mechanism 30, for example, of the type with a sliding guide with a resilient spring element which enables the arms to be opened out resiliently beyond the normal open position ( Figures 7 to 8) .
- the invention is also suitable for use on frames with conventional hinges which cannot be opened out beyond the normal open position.
- the user slackens the clamping means by at least partially unscrewing the threaded sleeve 20 so as to release or loosen the engagement between the frustoconical surfaces 17, 18 and 20, 21, respectively.
- the -jaws 11a, lib are thus loosened, leaving the rod-like body free to slide in the seat 12.
- the exact position of each arm is found by trial, with the use, for a uniform adjustment of the arms, of the notches or marks provided on the rod-like body for this purpose.
- the arm portions are locked relative to one another by re-tightening of the threaded sleeve 20 on the thread 16 so as to close the pincer element.
- the configuration described by way of example may be reversed with the rod-like body fixed to the hinge eye 4 and the pincer element in turn associated with the arm portion having the ear-piece 5a.
- the appendages 15 may be formed by methods other than flattening and in different positions along the rod-like body. Above all, they may vary in number, the required result being achievable even with a single appendage.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98929628A EP1004048A1 (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
JP2000555127A JP2002518704A (en) | 1998-06-15 | 1998-06-15 | Glasses frame with adjustable arms |
CA002299500A CA2299500A1 (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
AU79307/98A AU7930798A (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
PCT/IT1998/000160 WO1999066365A1 (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IT1998/000160 WO1999066365A1 (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999066365A1 true WO1999066365A1 (en) | 1999-12-23 |
Family
ID=11332897
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/IT1998/000160 WO1999066365A1 (en) | 1998-06-15 | 1998-06-15 | A spectacle frame with adjustable arms |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1004048A1 (en) |
JP (1) | JP2002518704A (en) |
AU (1) | AU7930798A (en) |
CA (1) | CA2299500A1 (en) |
WO (1) | WO1999066365A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB291156A (en) * | 1927-02-26 | 1928-05-29 | Edwin Thomas Cornwell | Improvements in or relating to spectacle or like frames |
GB324257A (en) * | 1928-12-28 | 1930-01-23 | Nitsche & Guenther Optische We | Improvements in or relating to spectacles |
US1751804A (en) * | 1929-01-21 | 1930-03-25 | Fischer William | Extension holder for eyeglasses |
GB335458A (en) * | 1929-05-31 | 1930-09-25 | Otto Juech | |
GB336231A (en) * | 1929-05-22 | 1930-10-08 | Alfred Pinkert | Improvements in or relating to spectacle frames |
US3612668A (en) * | 1970-05-04 | 1971-10-12 | Parmelee Ind Inc | Adjustable temple for spectacles |
-
1998
- 1998-06-15 JP JP2000555127A patent/JP2002518704A/en active Pending
- 1998-06-15 EP EP98929628A patent/EP1004048A1/en not_active Withdrawn
- 1998-06-15 CA CA002299500A patent/CA2299500A1/en not_active Abandoned
- 1998-06-15 WO PCT/IT1998/000160 patent/WO1999066365A1/en not_active Application Discontinuation
- 1998-06-15 AU AU79307/98A patent/AU7930798A/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB291156A (en) * | 1927-02-26 | 1928-05-29 | Edwin Thomas Cornwell | Improvements in or relating to spectacle or like frames |
GB324257A (en) * | 1928-12-28 | 1930-01-23 | Nitsche & Guenther Optische We | Improvements in or relating to spectacles |
US1751804A (en) * | 1929-01-21 | 1930-03-25 | Fischer William | Extension holder for eyeglasses |
GB336231A (en) * | 1929-05-22 | 1930-10-08 | Alfred Pinkert | Improvements in or relating to spectacle frames |
GB335458A (en) * | 1929-05-31 | 1930-09-25 | Otto Juech | |
US3612668A (en) * | 1970-05-04 | 1971-10-12 | Parmelee Ind Inc | Adjustable temple for spectacles |
Non-Patent Citations (1)
Title |
---|
See also references of EP1004048A1 * |
Also Published As
Publication number | Publication date |
---|---|
CA2299500A1 (en) | 1999-12-23 |
EP1004048A1 (en) | 2000-05-31 |
AU7930798A (en) | 2000-01-05 |
JP2002518704A (en) | 2002-06-25 |
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