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US4643602A Expired / Lapsed US ⏱️ 0.0 years remaining

Carriage supporting device for a printer

Assignee: Citizen Watch Co Ltd
•
Filing: 1985-03-13
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Granted: 1987-02-17
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Expires: 2005-03-13
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Abstract

Abstract A carriage supporting device has a base plate and a guide bar. A guide portion is formed at a rear portion of the base plate. The guide portion has an L-shaped section comprising an upright portion and a guide rail projecting outwardly. A carriage is slidably mounted on the guide bar and on the guide rail through a guide chip made of plastics. The guide chip has an engaging groove slidably engaged with the guide rail.

Inventors

  • 👤 Hiroshi Ikeda
  • 👤 Tsutomu Iesaka

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-09 16:30
CPC Classifications
G; G06; G06K; G06K15/00; G06K15/02; G06K15/10; B; B41; B41J; B41J19/00

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 246 words
A carriage supporting device for a printer having a platen, a frame with a base plate, a guide bar disposed in parallel with the axis of the platen and supported on the frame, a guide portion formed at a side portion of the base plate, the improvement comprising said guide portion being in the form of a plate and having an L-shaped section comprising an upright portion and a guide rail projecting horizontally outwardly and extending in parallel with said guide bar and having a flat upper surface and a flat underside surface; a carriage slidably mounted on said guide bar and having a first connecting portion extending horizontally outwardly from said carriage to a position above and adjacent to said guide rail so as to be positioned in parallel with said guide rail; a guide chip made of plastic and having a second connecting portion in the form of a hole and an engaging groove below said second connecting portion, said guide chip being removably secured to said carriage and slidably engaged with said guide rail by engaging said second connecting portion with said first connecting portion by friction, and at the same time by engaging said engaging groove with said guide rail, whereby a portion of said guide chip between said second connection portion and said engaging groove is interposed between said first connection portion and said guide rail, so that said carriage is slidably supported on said guide bar and said guide rail.
Claim 2
Dependent Claim 246 words
A carriage supporting device for a printer having a platen, a frame with a base plate, a guide bar disposed in parallel with the axis of the platen and supported on the frame, a guide portion formed at a side portion of the base plate, the improvement comprising said guide portion being in the form of a plate and having an L-shaped section comprising an upright portion and a guide rail projecting horizontally outwardly and extending in parallel with said guide bar and having a flat upper surface and a flat underside surface; a carriage slidably mounted on said guide bar and having a first connecting portion extending horizontally outwardly from said carriage to a position above and adjacent to said guide rail so as to be positioned in parallel with said guide rail; a guide chip made of plastic and having a second connecting portion in the form of a hole and an engaging groove below said second connecting portion, said guide chip being removably secured to said carriage and slidably engaged with said guide rail by engaging said second connecting portion with said first connecting portion by friction, and at the same time by engaging said engaging groove with said guide rail, whereby a portion of said guide chip between said second connection portion and said engaging groove is interposed between said first connection portion and said guide rail, so that said carriage is slidably supported on said guide bar and said guide rail.
Claim 3
Dependent Claim 32 words
The carriage supporting device according to claim 1 wherein said base plate is made of metal plate and said guide portion is formed by bending a rear portion of said base plate.

References Cited (Backward Citations)

US4303347A Cited
US4279518A Cited
US4468144A Cited
US4526486A Cited
US4514100A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-02-16 1990-08-18 1991-02-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-02-16 1994-08-18 1995-02-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-02-16 1998-08-18 1999-02-17 $7700.00 Window Closed / Lapsed

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