The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 28, 1985

Filed:

Oct. 27, 1983
Applicant:
Inventors:

Toshio Murai, Kashiwa, JP;

Hayao Aoyagi, Chiba, JP;

Masahiko Furukawa, Kashiwa, JP;

Hiromichi Yamada, Matsudo, JP;

Tateo Kawamura, Tokyo, JP;

Yoshihiro Ishikawa, Kashiwa, JP;

Akio Sakamoto, Iwatsuki, JP;

Toshiaki Tsuchiya, Yokohama, JP;

Takashi Shiozaki, Abiko, JP;

Hirokuni Kubota, Kashiwa, JP;

Isoji Okada, Yokohama, JP;

Jiro Ishii, Ibaragi, JP;

Fumio Fujii, Yotsukaido, JP;

Masakazu Nagao, Tokyo, JP;

Masamitsu Kikuchi, Tokyo, JP;

Morio Ishii, Tokyo, JP;

Yoshimasa Sasaki, Sapporo, JP;

Katsushi Tanaka, Kobe, JP;

Tadashi Itakura, Miki, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28B / ; B28B / ;
U.S. Cl.
CPC ...
425456 ; 137615 ; 141387 ; 425447 ;
Abstract

An apparatus for horizontally casting concrete comprises a horizontally foldable multilink support arm composed of an attachment frame, a proximal boom, intermediate booms, and a distal boom which are pivotally coupled by joint tubes, a drive mechanism composed of worm wheels mounted on the joint tubes and worm gears mounted on the booms and held in mesh with the worm wheels for enabling the support arm to move in articulatory motion, a concrete pressure-feed pipe extending from a pump along the booms and through the joint tubes with swivel joints, and an attachment jig mounted on the attachment frame for being mounted on a column.


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