Spreader unit for multi-legged stands

Details Spreader unit for multi-legged stands Spreader unit for multi-legged stands

1996-03-07

1998-10-20

Bonck, Rodney H.

Supports

Stand

Plural leg

2481886, F16M 1138

Patent

active

058234918

ABSTRACT:
A spreader unit for controlling a multi-legged stand is presented comprising a hub having a central axis and a plurality of arms hinged to the hub to swing in radial planes with respect to the hub axis. A control shaft is mounted in the hub for rotation about the axis with a reversible gear drive between the shaft and arms so that rotation of the shaft swings the arms with respect to the hub in unison and vice versa. A control for locking the shaft against rotation with respect to the hub is provided to hold the arms in required spread positions with respect to the hub.

REFERENCES:
patent: 2467567 (1949-04-01), Price
patent: 3921947 (1975-11-01), Adam
patent: 4309010 (1982-01-01), Posso
patent: 4324477 (1982-04-01), Miyazaki
patent: 4453686 (1984-06-01), Ina
patent: 4538526 (1985-09-01), Seeley
patent: 4705251 (1987-11-01), Samuelsson
patent: 5082221 (1992-01-01), Lai
patent: 5082222 (1992-01-01), Hsu
patent: 5102079 (1992-04-01), Lee
patent: 5341185 (1994-08-01), Nakatani

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