Beds – Bedsteads – Upending
Patent
1990-08-28
1992-03-24
Ridgill, Jr., James L.
Beds
Bedsteads
Upending
52573, E04H 902
Patent
active
050975471
ABSTRACT:
A vibration absorbing device to be secured between structural and non-structural members of a framed structure. An outer ring may be secured to a structural member and an inner ring is concentrically positioned within said outer ring and may be secured to a non-structural member. Radial spokes interconnecting the inner and outer rings are adapted to elasto-plastically deform when one ring is arcuately shifted relative to the other ring responsive to vibration of the inner and/or outer ring, thereby absorbing the energy of vibration.
REFERENCES:
patent: 1302482 (1919-04-01), Ross
patent: 2756013 (1956-07-01), Cunningham
patent: 2881995 (1959-04-01), Neher
patent: 2936141 (1960-05-01), Rapata
Fukimoto Toshiyuki
Ishii Koji
Kobayashi Mikio
Miura Yoshikatsu
Sato Kuniaki
Kajima Corporation
Ridgill, Jr. James L.
Tilberry James H.
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