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US 2015/0240924 A1Published application
Screw assembly and transport apparatus including same
OwnerJong Ki Leeinventor
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Abstract
The present invention relates to a screw assembly and to a transport apparatus including the same. The present invention includes a screw, a bearing shaft into which a portion of the screw is inserted, and a filling member that is positioned between a threaded rod of the screw and an inner circumferential surface of the bearing shaft. The filling member is formed to have an outer circumferential surface diameter that is larger than the outer circumferential surface diameter of the screw and is equal to or larger than the inner circumferential surface diameter of the bearing shaft.
Claims10
A screw assembly
- a screw,
- a bearing shaft into which a portion of the screw is inserted, and
- a filling member positioned between a threaded rod of the screw and an inner circumferential surface of the bearing shaft,
- wherein a diameter of an outer circumferential surface of the filling member is larger than that of an outer circumferential surface of the screw and is equal to or larger than that of the inner circumferential surface of the bearing shaft.
1 more element
A screw assembly
- a screw,
- a bearing shaft into which a portion of the screw is inserted,
- a filling member positioned between a threaded rod of the screw and an inner circumferential surface of the bearing shaft, and
- a fixing bolt penetrating through the bearing shaft and engaged to the screw.
1 more element
Dependencies are inferred from the claim text.