Crane arm dolly

Details Crane arm dolly Crane arm dolly

1992-12-24

1994-05-17

Johnson, Brian L.

Land vehicles

Wheeled

Wheel steering by attendant

280 4734, 280840, 248183, 354293, B62B 310

Patent

active

053121210

ABSTRACT:
A crane arm dolly for supporting a crane arm carrying a camera includes a post pivotally supported on a dolly chassis. Adjustable post support rods support the post. The support rods can be lengthened or shortened to maintain the post in a vertical position when the crane arm dolly is used on an inclined surface.

REFERENCES:
patent: Re32570 (1988-01-01), Conn
patent: 1686904 (1928-10-01), Ely
patent: 1943360 (1934-01-01), Arnold
patent: 2715534 (1955-08-01), Hoge et al.
patent: 2845719 (1958-08-01), Thomiszer
patent: 3231227 (1966-01-01), Weining
patent: 4094484 (1978-06-01), Galione
patent: 4249817 (1981-02-01), Blau
patent: 4257619 (1981-03-01), Fisher
patent: 4657267 (1987-04-01), Jaumann et al.
patent: 4666112 (1987-05-01), Jaumann
patent: 4697773 (1987-10-01), Jaumann et al.
patent: 4950126 (1990-08-01), Fabiano et al.
patent: 5174593 (1992-12-01), Chapman
The Hybrid dolly brochure, Leonard Studio Equipment, Inc. 1990.
Vintent Complate Range Catalog 1989/90, pp. 4, 5 and 10-13.
J. L. Fisher Inc., Model 9 Camera Dolly Optional Accessories brochure, p. 7.

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