Title: Shock control device for use in the construction of buildings such as bridges and the like

Abstract: There is described a control device particularly suitable for use in the construction of buildings such as continuous girder or truss bridges, elevated highways and the like, for the purpose of controlling vertically imposed loads, more particularly, for the purpose of attenuating mechanical vibrations or impacts as will be caused by braking or starting land vehicles or earthquakes, dispersing horizontally an acting forces at the joint of an upper structure of a bridge such as a girder and a lower structure such as a pier, particularly at a fixed shoe (bridge bearing) on the pier.

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Inventors: Miyazaki, Shusuke (Tokyo, JA)
Maehara, Yasuo (Tokyo, JA)
Abe, Wataru (Hiratsuka, JA)
Shimoda, Ikuo (Fujisawa, JA)

Application Number: 618551
Filing Date: 1975-10-01
Publication_date: 1976-10-19
Assignee: Japanese National Railways (Tokyo, JA); Oiles Industry Co., Ltd. (Tokyo, JA); Yachiyo Engineering Co., Ltd. (Tokyo, JA)
Primary Class(es): 14/73.5 52/167.1, 52/167.6
Other Classes:
US Patent Ref:

2597800	May, 1952	Hussman	248/20.
3105252	Oct, 1963	Milk	52/167.
3218008	Nov, 1965	Harris	52/167.
3232015	Feb, 1966	Latham	52/167.
3233376	Feb, 1966	Naillon	52/167.
3459395	Aug, 1969	Scotto	248/20.
3587787	Jun, 1971	Rich	248/20.
3762114	Oct, 1973	Eskijian	52/167.

Other Refs: 57,8721,073,187

Sep, 1967	DL
Jan, 1960	DT

Primary Examiner: Byers, Jr., Nile C.
Assistant Examiner:
Attorney: Oujevolk; George B.