Claims
- 1. A disk unit, comprising:
- a motor;
- a drive gear mechanism having a drive gear which is driven by said motor;
- an intermediate transmission mechanism; and
- a head carriage having a movable rack;
- wherein said intermediate transmission mechanism includes:
- (i) a driving-side transmission mechanism having a plurality of transmission e mounted on a first common spindle, with said driving-side transmission gears being driven by rotation of said drive gear;
- (ii) a first backlash eliminating means connected directly to the transmission gears of said driving-side transmission mechanism for eliminating backlash between said drive gear mechanism and said intermediate transmission mechanisms;
- (iii) a second backlash eliminating means connected directly to the transmission gears of said driving-side transmission mechanism for eliminating backlash between said intermediate transmission mechanism and said rack; and
- (iv) a driven-side transmission mechanism having a plurality of transmission gears mounted on a second common spindle, with one of said driven-side transmission gears being in meshed engagement with said rack.
- 2. A disk unit as claimed in claim 1, wherein each of the first and second backlash eliminating means includes a coil spring.
- 3. A disk unit as claimed in claim 1, further comprising a support shaft in parallel with an axial line of said plurality of transmission gears of both said driving-side and driven-side transmission mechanisms, wherein the rack is rotatably supported on the head carriage through the support shaft.
Priority Claims (1)
Number |
Date |
Country |
Kind |
5-226253 |
Sep 1993 |
JPX |
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Parent Case Info
This is a continuation of application Ser. No. 08/432,173, filed as PCT/JP94/01510 Sep. 12, 1994, now U.S. Pat. No. 5,777,978.
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4654737 |
Hopkins et al. |
Mar 1987 |
|
5119362 |
Yanagisawa |
Jun 1992 |
|
5307339 |
Tanaka |
Apr 1994 |
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60-80177 |
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Continuations (1)
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Number |
Date |
Country |
Parent |
432173 |
May 1995 |
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