Supports – Resilient support – Including load sustaining bearing or guide
Patent
1982-09-29
1985-01-29
Foss, J. Franklin
Supports
Resilient support
Including load sustaining bearing or guide
52167, 188380, 248638, 267136, F16M 1300
Patent
active
044961308
DESCRIPTION:
BRIEF SUMMARY
TECHNICAL FIELD
This invention relates to cushion support devices and particularly to a three-dimensional support device which is so adapted that a spherical structure is held on a first component disposed on the side of either one of a supporting structure and a supported structure, and this spherical structure is placed in rolling contact with a concave surface of a second component disposed in contact with the side of the other of the supporting structure and the supported structure, the centripetal force acting mutually between the spherical structure and the concave surface being utilized to support the supported structure on the supporting structure.
BACKGROUND ART
In the case where, in the space above a supporting structure such as a fixed structure, an object to be supported (hereinafter referred to as a supported structure) is supported, suspension or cushion support devices are used in order to prevent direct transmission of vibration from the side of the fixed structure to the supported structure.
Further, suspension or cushion support devices are used also for preventing transmission of vibration generated from the supported structure directly to the fixed structure.
As a conventional support device of this kind, one in which compression coil spring is interposed between the supported structure and the supporting structure is known. However, this device in which a compression coil spring is used effectively absorbs vibrations transmitted in the one-dimensional direction in which the spring elongates and contracts and can produce a cushioning effect but cannot amply produce a cushioning effect with respect to vibrations in directions perpendicular to that direction, and further, it also cannot readily return the supported structure to the prescribed original position in space. There are devices of the air-spring type in which an air-pressure cylinder is used in place of a compression coil spring, but similarly as in a device using a compression coil spring, it merely absorbs only vibrations transmitted in the direction in which the air spring elongates and contracts, and, with respect to movements in directions perpendicular thereto, the supported structure is placed in an unstable state.
For solving these problems, there is a device in which coil springs are assembled in three-dimensional directions in order to intercept vibrations transmitted in the three-dimensional directions. However, a device of this kind has had drawbacks such as that the places of installation of the coil springs increase, whereby the construction becomes complicated, and, furthermore, it is difficult to cause the supported structure to return to its original position and to become stabilized.
Accordingly, an object of this invention is to provide a support device adapted to isolate a supported structure from the effects of vibrations extending in three-dimensional directions thereby to support stably the supported structure in the space above a supporting structure.
Further, another object of this invention is to provide a support device so adapted that an elastically supported structure readily returns to the original position and can readily maintain stability of the attitude.
DISCLOSURE OF THE INVENTION
More specifically, this invention is one constituted by having a first component disposed on the side of either one of a supporting structure and a supported structure, a second component disposed on the side of the other and provided with a concave surface, a spherical structure held by said first component and being in rollable contact with the concave surface of the second component, an elastic support mechanism elastically supporting either one of said first component and second component on a confronting support surface, a holding mechanism of the second component held in a manner to be slidable along the outer side of said first component and hinge-coupled to said second component, and a pulling mechanism for pulling said second component in one direction so that said concave surface and spherical structu
REFERENCES:
patent: 2014643 (1935-09-01), Bakker
patent: 3212745 (1965-10-01), Lode
patent: 3906689 (1975-09-01), Nakayama
Foss J. Franklin
Talbott David L.
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