Static structures (e.g. – buildings) – Means compensating earth-transmitted force – Relative motion means between a structure and its foundation
Patent
1984-03-07
1986-01-21
Murtagh, John E.
Static structures (e.g., buildings)
Means compensating earth-transmitted force
Relative motion means between a structure and its foundation
248567, 248636, 248638, 2671405, E02D 2734, E04H 902
Patent
active
045650390
ABSTRACT:
A floor structure for reducing vibration comprises a panel for mounting a load thereon and a plurality of shock absorbers elastically supporting the panel over a base floor, each shock absorber comprising a base plate slidably mounted on the base floor, a longitudinal spring fitted between the panel and the base plate and a damper swingably connected at respective ends thereof to the panel and the base plate respectively. At least one of the shock absorbers includes a plurality of horizontal springs normally maintaining such shock absorber at a predetermined position with respect to the base floor.
REFERENCES:
patent: 2055000 (1936-09-01), Bacigalupo
patent: 2359915 (1944-10-01), Hussman
patent: 2631841 (1953-03-01), Tillou et al.
patent: 3390854 (1968-07-01), Sherburne
Ando Takayuki
Oguro Sadao
Sakagami Yukio
Dennison Caroline
Murtagh John E.
Ohbayashi-Gumi Ltd.
Tokico Ltd.
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