Patent US3683802A successfully refreshed from Google Patents.
US3683802A
Expired / Lapsed
US
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Endless type carrier belt having type-receiving pockets in an edge thereof
Assignee: Unisys Corp
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Filing: 1970-02-04
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Granted: 1972-08-15
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Expires: 1990-02-04
Abstract
Abstract An endless character belt for an on-the-fly printer having drive teeth arranged on the inner circumference thereof and pockets located in an edge of the belt for receiving type members perpendicular to the plane of the belt. The type members may be held in place by arcuate projections arranged on the interior of the pockets for applying an affixing force to the type members.
Inventors
- 👤 Neal Hepner
- 👤 Albert C Williamson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:14
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/20
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
93 words
A character bearing member for on-the-fly printers utilizing print hammers, which selectively print characters successively arranged thereon comprising: an endless belt formed of a band of flexible material, relatively wide with respect to its thickness, said belt having a plurality of pockets extending substantially across the width and opening only on an edge thereof, at least one edge of said belt defining a plane; and type members individually insertable in each of said pockets for presenting printing surfaces to said print hammers, the impact of said hammers being substantially perpendicular to said plane.
Claim 2
Dependent Claim
93 words
A character bearing member for on-the-fly printers utilizing print hammers, which selectively print characters successively arranged thereon comprising: an endless belt formed of a band of flexible material, relatively wide with respect to its thickness, said belt having a plurality of pockets extending substantially across the width and opening only on an edge thereof, at least one edge of said belt defining a plane; and type members individually insertable in each of said pockets for presenting printing surfaces to said print hammers, the impact of said hammers being substantially perpendicular to said plane.
Claim 3
Dependent Claim
23 words
The character bearing member of claim 1 wherein said belt includes transverse relief channels between adjacent ones of said pockets in said belt.
Claim 4
Dependent Claim
49 words
The character bearing member of claim 1 wherein said type member comprises a rectangular shaft having a face on one end thereof, said face being larger than the cross section of said shaft and having a character embossed thereon and said shaft being inserted in one of said pockets.
Claim 5
Dependent Claim
30 words
The character bearing member of claim 3 wherein said pockets have arcuate projections on the interior thereof for applying an affixing force to said insertable shaft of said type members.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |