Crane apparatus

Details Crane apparatus Crane apparatus

1989-08-21

1991-04-16

Peters, Jr., Joseph F.

Traversing hoists

With haul-in line

212231, 200298, B66C 1340

Patent

active

050075438

ABSTRACT:
Crane apparatus having a pendant control with two stage operational switches is provided for use with a control system for maximum precision and efficiency during operation. The two stage switches allow for fast or slow crane movement as required. Boom construction is also presented for easy manufacture and superior strength under load.

REFERENCES:
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patent: 3051323 (1962-08-01), Kuhlenschmidt et al.
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patent: 3749870 (1973-07-01), Oakes
patent: 3931486 (1976-01-01), Raetz
patent: 4508014 (1985-04-01), Shoff
patent: 4566599 (1986-01-01), Villa et al.
patent: 4635802 (1987-01-01), Hylton
Auto Crane Co., Catalog 23, BN20M 6-89.
Venturo ET and DT Series Truck Cranes, Brochure Form 2804 8/88.

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