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Patent Searching and Data


Title:
EARTHQUAKE RESISTING VIBRATION CONTROL DEVICE
Document Type and Number:
Japanese Patent JPH07224889
Kind Code:
A
Abstract:

PURPOSE: To form an earthquake resisting vibration control device in a compact state and to operate a stopper function in all directions by providing a vibration control member at an interior with a coupling part consisting of the lower protrusion end part of an upper fitting in the direction of a coil axis and the upper protrusion end part of a lower fitting, and fitting the coupling part in so that the two protrusion end parts are movable with a given clearance therebetween.

CONSTITUTION: An upper fixing bolt 1 and a lower protrusion end part 5 are integrally formed and the integral object and an upper fitting 3 are welded together. A lower fixing bolt 2 and an upper protrusion end part 8 are integrally formed and the integral object and a lower fitting 4 are welded together. Further, a coupling part is provided through which the lower and upper protrusion end parts 5 and 8 are fitted in with a given clearance therebetween. When a load is applied, a vibration control member 11 is compressed for deformation and the coupling part is freely movable in a range of a clearance in a vertical and a horizontal direction. Thus, during normal vibration, the function of the vibration member 11 is prevented from being damaged but during a strong earthquake exceeding a range of the clearance, movement of the coupling part is regulated and performs a function as a stopper to prevent the occurrence of fall-down.


Inventors:
MASUOKA NOBUO
SUZUKI MASAMI
Application Number:
JP1855094A
Publication Date:
August 22, 1995
Filing Date:
February 15, 1994
Export Citation:
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Assignee:
HITACHI CABLE
HITACHI GOMME KAKO KK
International Classes:
F16F15/06; F16F15/067; (IPC1-7): F16F15/067
Attorney, Agent or Firm:
Takashi Matsumoto