Positioning device with a solid cylindrical pin
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United States of America Patent
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Jun 22, 2004
Grant Date -
Feb 6, 2003
app pub date -
Jul 2, 2002
filing date -
Jul 9, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A guide apparatus (1) slidably supports a shaft member (2) and a column (3) relative to each other. The column (3) has a through hole (3a) formed therein and the shaft member (2) penetrates the through hole (3a). In the column (3), there is provided a slide mechanism (5) formed of a plurality of cylindrical rolling elements (50) adapted to roll axially on an outer circumference (2a) of the shaft member (2). The column (3) is formed of a plurality of split members (31, 32, 33, 34) that are divided on sectional planes each perpendicular to the axial direction of the column (3). A plurality of positioning pins (9) are provided on each contact surface of the adjacent split members (31, 32, 33, 34). The adjacent split members are centered or positioned relative to one another by the positioning pins (9).
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