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Foundation shock eliminator

Inactive Publication Date: 2007-07-12
TSAI CHONG SHIEN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0007] The main objective of the invention is to provide a foundation shock eliminator that keep a passive damping device from deforming and wearing to dissipate shock energy efficiently. The foundation shock eliminator has an upper base, a lower base, at least one roller, a damping device and a static supporting device. The upper base has a top, a bottom and at least one concave inner surface defined in the bottom. The lower base has a top, a bottom an

Problems solved by technology

However, the damping device must bear the weight of the upper base and the object applied to the upper base, the damping device is easily worn or became compression set so that the shock-absorbing effect of the foundation shock eliminator is reduced.
In addition, to replace a worn or deformed damping device with a new one is time consuming and costly.

Method used

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Examples

Experimental program
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Effect test

first embodiment

[0042] The damping device (40) is mounted on at least one of the upper base (20), the lower base (10) and the at least one roller (30) and can be made of rubber, plastic, viscoelastic materials, frictional materials or materials with an excellent damping coefficient. In the first embodiment, the damping device (40) is at least one coating layer (40A) coated around the roller (30).

[0043] The static supporting device (12) is mounted between the upper base (20) and the lower base (10) and comprises multiple supporting members. Each supporting member comprises a rigid supporting ball (12A) and a supporting tab (22). The supporting ball (12A) is made of a rigid material. Multiple recesses (13) are defined in the top of the lower base (10) to respectively hold the supporting balls (12A) inside. The supporting tabs (22) are attached to the bottom of the upper base (20) and respectively correspond to and abut with the supporting balls (12A). The supporting tabs (22) can be made of a rigid m...

second embodiment

[0046] With reference to FIG. 2, in a second embodiment, the damping device (40) comprises two resilient layers (40B,40C) attached respectively to the concave inner surfaces (11,21) in the lower base (10) and the upper base (20) and a bottom resilient layer (40D) attached to the bottom of the lower base (10).

third embodiment

[0047] With reference to FIG. 3, in a third embodiment, the damping device (40) comprises at least one coating layer (40A) coated around the roller (30), two resilient layers (40B,40C) attached respectively to the concave inner surfaces (11,21) in the lower base (10) and the upper base (20) and an upper resilient layer (40E) attached to the top of the upper base (20).

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Abstract

A foundation shock eliminator has an upper base, a lower base, at least one roller, a damping device and a static supporting device. The upper base has a top, a bottom and at least one concave inner surface defined in the bottom. The lower base has a top, a bottom and a concave inner surface defined in the top and facing the at least one concave inner surface in the upper base. The least one roller is movably mounted between the concave inner surfaces in the upper base and the lower base. The damping device is mounted on at least one of the upper base, the lower base and the at least one roller to dissipate shock energy. The static supporting device is mounted between the upper base and the lower base.

Description

BACKGROUND OF THE INVENTION [0001] 1. Field of the Invention [0002] The present invention relates to a foundation shock eliminator, and more particularly to a foundation shock eliminator having a static supporting device to keep a passive damping device from deforming and wearing to dissipate shock energy efficiently. [0003] 2. Description of Related Art [0004] To diminish effect of shocks on objects, construction of buildings, machines and industrial manufacturing instruments, a fundamental shock eliminator is always provided. A conventional foundation shock eliminator in accordance with prior art is generally mounted under the foundation of machines or buildings and substantially comprises an upper base, a lower base and a roller. Two concave inner surfaces are defined respectively in the upper base and the lower base and face to each other. The roller is rotatably mounted inside the concave inner surfaces of the upper base and the lower base. In addition, a damping device is moun...

Claims

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Application Information

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IPC IPC(8): E04H9/02
CPCE04H9/023
Inventor TSAI, CHONG-SHIEN
Owner TSAI CHONG SHIEN
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