Seal for Ball Screw Device
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United States of America Patent
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N/A
Issued Date -
Aug 18, 2016
app pub date -
Oct 21, 2014
filing date -
Oct 21, 2014
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
There is provided a seal for a ball screw device, which is able to restrain damage to a seal member and grease leakage. In order to do so, a guide part (50), which has a project or a recessed part in an axis direction of a threaded shaft (10) is provided in an outer peripheral edge part of a seal member (40) provided in a nut (20) of a ball screw device (1), in a portion corresponding to an inner peripheral edge part that is in sliding contact with a rolling groove (11) of the threaded shaft (10) or a land part (12) between the rolling grooves (11, 11).
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