VIBRATION ISOLATION DEVICE

PROBLEM TO BE SOLVED: To facilitate the selection of material quality of a holding plate and bearing plate by arranging a plurality of steel balls between holding plate and bearing plate to disperse load of a structure with a large number of steel balls. SOLUTION: A holding plate 1 is so constituted...

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Bibliographic Details
Main Authors NANAMI YUTAKA, OCHIAI YOSHIMI
Format Patent
LanguageEnglish
Published 15.12.1998
Edition6
Subjects
BLASTING
BUILDING
BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES
CEILINGS
ENGINEERING ELEMENTS AND UNITS
FENCING
FIXED CONSTRUCTIONS
FLOORS
GENERAL BUILDING CONSTRUCTIONS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
INSULATION OR OTHER PROTECTION OF BUILDINGS
LIGHTING
MASTS
MEANS FOR DAMPING VIBRATION
MECHANICAL ENGINEERING
ROOFS
SHOCK-ABSORBERS
SPRINGS
SWIMMING OR SPLASH BATHS OR POOLS
TENTS OR CANOPIES, IN GENERAL
THERMAL INSULATION IN GENERAL
WALLS, e.g. PARTITIONS
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To facilitate the selection of material quality of a holding plate and bearing plate by arranging a plurality of steel balls between holding plate and bearing plate to disperse load of a structure with a large number of steel balls. SOLUTION: A holding plate 1 is so constituted that a ring-shaped groove thread is provided to the upper part side thereof to form an upper surface 1a and that a ring-shaped ball bearing 5 is easily set. The bearing plate 3 is fixed to a structure S through a middle plate 4, and a lower surface 3a opposed to the holding plate 1 is horizontally and flatly formed. As the ball bearing 5, marketable goods can be used, a plurality of steel balls 5b, 5b... are arranged between the upper surface 1a of the holding plate 1 and the lower surface 3a of the bearing plate 3 while keeping specific intervals on a circular ring- shaped ball holder 5a, and the holding plate 1 and bearing plate 3 are combined with each other in a state of roller bearing. A vibration isolation device having such construction can bear the load of the structure S with a large number of steel balls, so that the material quantity selection of both holding plate 1 and bearing plate 3 can be easily made because the load is not concentrated in one point of the holding plate 1 and bearing plate 3.
Bibliography:Application Number: JP19970147441