Patent US4459051A successfully refreshed from Google Patents.
US4459051A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matrix printer
Assignee: Canon Inc
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Filing: 1982-06-25
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Granted: 1984-07-10
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Expires: 2002-06-25
Abstract
Abstract A matrix printer comprises a print head for effecting recording on a recording medium, a print wire provided on the print head, a holding member provided on the printing end side of the print wire and movable relative to the print wire, and control means for moving the holding member.
Inventors
- 👤 Yauso Kawai
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:00
CPC Classifications
B; B41; B41J; B41J25/00; B41J25/001; B41J25/003
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
85 words
A printer, comprising: a plurality of print wires arranged in a first direction; support means for supporting said plurality of print wires; guide means for guiding said plurality of print wires for movement in a print direction, said guide means being held by an elastic member including a magnetizable material and having one end supported by said support means; and means for causing said guide means to move in a second direction different from the first direction, said means for causing movement including magnetic means.
Claim 2
Dependent Claim
85 words
A printer, comprising: a plurality of print wires arranged in a first direction; support means for supporting said plurality of print wires; guide means for guiding said plurality of print wires for movement in a print direction, said guide means being held by an elastic member including a magnetizable material and having one end supported by said support means; and means for causing said guide means to move in a second direction different from the first direction, said means for causing movement including magnetic means.
Claim 3
Dependent Claim
14 words
A printer according to claim 1, wherein said elastic member is a plate spring.
Claim 4
Dependent Claim
29 words
A printer according to claim 1, further comprising means for altering the position of said means for causing movement to adjust the amount of movement of said guide means.
Claim 5
Dependent Claim
23 words
A printer according to claim 2, wherein said means for causing movement is held together with said plate spring by said supporting means.
Claim 6
Dependent Claim
18 words
A printer according to claim 1, wherein said means for causing movement is held by said supporting means.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-07-10 | 1988-01-09 | 1988-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-07-10 | 1992-01-09 | 1992-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-07-10 | 1996-01-09 | 1996-07-10 | $7700.00 | Window Closed / Lapsed |