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US3857205A Expired / Lapsed US ⏱️ 0.0 years remaining

Device for the feeding of optical glasses, particularly for spectacles, to a glass-treating machine and for the removal of said glasses therefrom

Assignee: Buchmann Optical Industries NV
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Filing: 1973-12-12
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Granted: 1974-12-31
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Expires: 1993-12-12
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Abstract

Abstract A device for the feeding of optical glasses to a glass-treating machine is described, which comprises a movable support provided with openings through which the glass-treating machine head can pass partly at least, a plurality of glass holders which bear with the lower part thereof at least in the support openings, and means for moving the support intermittently in such a way that each support opening can come in sucession between the head and tool of the glass-treating machine.

Inventors

  • 👤 Hove C Van

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 11:48
CPC Classifications
B; B24; B24B; B24B13/00; B24B13/0031; B24B13/005; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T29/5127; Y10T29/513

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 151 words
Device for the feeding of optical glasses, particularly for spectacles, to a glass-treating machine and for the removal of said glasses therefrom, said machine comprising a tool, means for rotating said tool, a head lying thereunder which is movable up and down and rotatable about a vertical axis, and means for moving said head to and away from said tool, with a glass holder and means to bring a glass in said holder between said head and tool and away from between said head and tool, which comprises a movable support provided with openings through which the glasstreating machine head can pass partly at least, a plurality of glass holders which bear with the lower part thereof at least in the support openings, and means for moving the support intermittently in such a way that each support opening can come in sucession between the head and tool of the glass-treating machine.
Claim 2
Dependent Claim 151 words
Device for the feeding of optical glasses, particularly for spectacles, to a glass-treating machine and for the removal of said glasses therefrom, said machine comprising a tool, means for rotating said tool, a head lying thereunder which is movable up and down and rotatable about a vertical axis, and means for moving said head to and away from said tool, with a glass holder and means to bring a glass in said holder between said head and tool and away from between said head and tool, which comprises a movable support provided with openings through which the glasstreating machine head can pass partly at least, a plurality of glass holders which bear with the lower part thereof at least in the support openings, and means for moving the support intermittently in such a way that each support opening can come in sucession between the head and tool of the glass-treating machine.
Claim 3
Dependent Claim 28 words
Device as claimed in claim 1, in which the support is a disk and the means for moving intermittently said support are means for rotating intermittently said disk.
Claim 4
Dependent Claim 20 words
Device as claimed in claim 1, in which the number of openings in said support is equal to about 24.
Claim 5
Dependent Claim 18 words
Device as claimed in claim 1, in which the glass holders are removably located in the support openings.
Claim 6
Dependent Claim 33 words
Device as claimed in claim 1, in which each holder is provided on the lower side thereof with a recess inside which fits a projecting portion of the head of the glass-treating machine.
Claim 7
Dependent Claim 41 words
Device as claimed in claim 1, in which the support openings and the holders are round and each holder comprises a portion which fits accurately inside the openings and a portion of larger diameter which lies on the support upper side.
Claim 8
Dependent Claim 38 words
Device as claimed in claim 1, in which each holder is provided on the upper side with a recess wherein fits exactly a glass and which is provided with a ring-like groove wherein enters a resilient sealing ring.
Claim 9
Dependent Claim 22 words
Device as claimed in claim 1, in which each support opening is bounded by a sleeve which is mounted in said support.

References Cited (Backward Citations)

US1518971A Cited
US2377992A Cited
US3177773A Cited
US3140567A Cited
US3771509A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1977-12-30 1978-07-01 1978-12-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1981-12-30 1982-07-01 1982-12-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1985-12-30 1986-07-01 1986-12-31 $7700.00 Window Closed / Lapsed

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