Material or article handling – Vertically swinging load support – Grab
Patent
1982-09-20
1985-06-11
Siemens, Terrance L.
Material or article handling
Vertically swinging load support
Grab
414917, 901 14, 74469, 74479, B25J 900
Patent
active
045225559
ABSTRACT:
Upper parallelogram links (8, 8, 5, 12) and lower parallelogram links (14, 14, 12, 17) are series connected at an intermediate driving unit 12 with direction of the journal shafts (7, 7, 10, 10) of the upper parallelogram links and direction of the journal shafts (13, 13, 16, 16) of the lower parallelogram links being perpendicular to each other; thereby a third driving unit 17, to which a shaft of a hand 19 is mounted, is always kept in parallel to a first driving unit 5 irrespective of the position of the hand 19; thus a reliable handling by hand is assured, and also accurate horizontal motions are attainable with conventional computing means.
REFERENCES:
patent: 4213591 (1980-07-01), Jaakkola
patent: 4234150 (1980-11-01), Mee et al.
patent: 4341502 (1982-07-01), Makino
Doi Makoto
Inoue Toshitsugu
Kaji Haruo
Nakada Akiyoshi
Takezawa Kuninori
Matsushita Electric - Industrial Co., Ltd.
Siemens Terrance L.
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