CASTER, MANUFACTURE THEREOF, AND STAND THEREOF

PURPOSE:To provide a caster which can be operated with a small force and reduce the projection of a bottom plate of a stand on which the casters are used. CONSTITUTION:A caster 20 comprises a ball 2 and a caster main body 1 provided with a spherical seat 1A for holding the ball 2, and a pivot axis i...

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Bibliographische Detailangaben
1. Verfasser:	KATSUYAMA MASAKI
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING AXLES FOR WHEELS OR CASTORS CASTORS COMBINED OPERATIONS INCREASING WHEEL ADHESION MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR OTHER WORKING OF METAL PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING UNIVERSAL MACHINE TOOLS VEHICLE WHEELS VEHICLES IN GENERAL WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a caster which can be operated with a small force and reduce the projection of a bottom plate of a stand on which the casters are used. CONSTITUTION:A caster 20 comprises a ball 2 and a caster main body 1 provided with a spherical seat 1A for holding the ball 2, and a pivot axis is aligned with a ball axis. The caster 20 is formed by a two-material forming method to omit assembly operation. In this case, the mold shrinkage rate of a member which forms the ball 2 is made larger than that of a member which forms the caster main body. A stand for the caster is constituted so that the casters 20 are mounted on the lower surface of the bottom plate at three to four positions.