Material or article handling – Horizontally swinging load support – Swinging about pivot
Patent
1996-07-17
1997-12-30
Underwood, Donald W.
Material or article handling
Horizontally swinging load support
Swinging about pivot
294 864, 294104, 901 36, 901 39, B25J 1500
Patent
active
057022283
ABSTRACT:
An arm member having a folding expansion/contraction mechanism is fixed to a rotary shaft. A support member is rotatively mounted on the distal end of the arm member. This support member maintains a constant relationship with the rotary shaft. An auxiliary support member is mounted on a support shaft fixed to the support member, the auxiliary support member being able to swing. A cam mechanism is provided at rotation portions of the support member and auxiliary support member. The auxiliary support member is swung by this cam mechanism in accordance with a folding expansion/contraction motion of the arm member.
REFERENCES:
patent: 5022695 (1991-06-01), Ayers
patent: 5168886 (1992-12-01), Thompson et al.
patent: 5332352 (1994-07-01), Poduje et al.
Tamai Tadamoto
Yamamoto Toshitaka
Sumitomo Heavy Industrie's, Ltd.
Underwood Donald W.
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