EP0033226A2
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Character selecting mechanism for a serial printer
Assignee: NEC Corp
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Filing: 1981-01-22
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Granted: —
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Expires: 2001-01-22
Abstract
Abstract A character selecting mechanism for a serial printer having a print head (3) incorporating a plurality of characters arranged radially about an axis, the said mechanism including a drive motor (1) for rotating the print head (3) connected to a shaft (5) of the drive motor (1) and longitudinal movement selecting means (2) for moving the shaft (5) axially.
Inventors
- 👤 Shigemitsu Matsumori
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-26 03:54
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/50; B41J7/52
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
70 words
A character selecting mechanism for a serial printer, said serial printer having a print head (3) incorporating a plurality of characters arranged radially about an axis thereof, characterised in that the said selecting mechanism comprises a driving motor (1) for rotating the said print head (3) connected to a shaft (5) of the said driving motor (1) and a longitudinal movement selecting means (2) for moving the said shaft axially.
Claim 2
Dependent Claim
70 words
A character selecting mechanism for a serial printer, said serial printer having a print head (3) incorporating a plurality of characters arranged radially about an axis thereof, characterised in that the said selecting mechanism comprises a driving motor (1) for rotating the said print head (3) connected to a shaft (5) of the said driving motor (1) and a longitudinal movement selecting means (2) for moving the said shaft axially.
Claim 3
Dependent Claim
56 words
A character selecting mechanism as claimed in claim 1 characterised in that the driving motor (1) includes a rotor (7) and a stator (6), the rotor (7) being carried upon a shaft (5) which is able to move axially and to rotate and the head (3) incorporating a thimble and being coupled to the shaft (5).
Claim 4
Dependent Claim
43 words
A character selecting mechanism as claimed in either claim 1 or claim 2 characterised in that the longitudinal movement selecting means (2) includes a cam(11) rotatable to move the said shaft (5) axially and a stepping motor arranged to rotate the cam (11).
Claim 5
Dependent Claim
38 words
A character selecting mechanism as claimed in any one of the preceding claims characterised in that there is provided a spring (13) arranged to urge the shaft (5) against movement axially by the longitudinal movement selecting means (2).
Claim 6
Dependent Claim
32 words
A character selecting mechanism as claimed in any one of the preceding claims characterised in that a roller (12) is provided between the shaft (5) and the longitudinal movement selecting means (2).
References Cited (Backward Citations)
No citation records indexed.
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