Parkhurst & Oliff
Apparatus for horizontally casting concrete
 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. 
Kyokuto Kaihatsu Kogyo CO., Ltd. Takenaka Komuten Co., Ltd.
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E04G Y10T E04G F16L E04G
inventional additional inventional inventional inventional
Isoji Yoshimasa Fumio Hayao Yoshihiro Katsushi Toshiaki Takashi Jiro Morio Masamitsu Toshio Tateo Tadashi Masakazu Hiromichi Masahiko Akio Hirokuni
Okada Sasaki Fujii Aoyagi Ishikawa Tanaka Tsuchiya Shiozaki Ishii Ishii Kikuchi Murai Kawamura Itakura Nagao Yamada Furukawa Sakamoto Kubota