Ramp for use in information recording disk apparatus, and information recording disk apparatus
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United States of America Patent
Stats
-
Feb 10, 2004
Grant Date -
Apr 18, 2002
app pub date -
Oct 10, 2001
filing date -
Oct 13, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A ramp wherein the amount of deformation in the front end edges of guiding parts caused by thermal expansion. The ramp includes at least two guiding parts individually formed for each suspension arm and made of a polymeric material having a small friction coefficient for guiding the suspension arm by sliding into a accommodation zone, and a guide supporting member made of a material having a thermal expansion coefficient smaller than that of the polymeric material of the guiding part for supporting each guiding part at a predetermined position. The guide supporting member has guide support holes which are located in zones to be contacted with the associated guiding parts, are not contacted with associated recording disks, and are engaged with the associated guiding parts at such positions that distances to the front end edges of the guiding parts become shortest. Each of the guiding parts has a projection. When the projection is engaged in the associated guide support hole, the guiding part guides the suspension arm at a suitable position.
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