Revolving block for high place working vehicle

Details Revolving block for high place working vehicle Revolving block for high place working vehicle

1984-05-22

1985-06-18

Blix, Trygve M.

Traversing hoists

Having horizontally swinging boom or bridge

And means to swing boom horizontally

212253, B66C 2378

Patent

active

045236852

ABSTRACT:
A revolving block with an inclination correcting mechanism housed therein for a high place working vehicle having a working implement such as a revolving ladder or boom mounted thereon.

REFERENCES:
patent: 1316907 (1919-09-01), McEwen
patent: 1531982 (1925-03-01), Sago
patent: 2132184 (1938-10-01), Poche
patent: 3608756 (1971-09-01), Guinot
patent: 4309854 (1982-01-01), Vendramini

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