Boom construction and method for making same

Details Boom construction and method for making same Boom construction and method for making same

1975-04-23

1977-07-12

Makay, Albert J.

Traversing hoists

Overhead

Cable

212144, 214145R, E02F 338

Patent

active

040348768

ABSTRACT:
An excavator boom has attachment means formed on opposite ends thereof for attachment to a vehicle and to a work implement. The boom comprises a pair of continuous and uninterrupted upper and lower plates and a pair of side plates, all secured together by four continuous welds to form a box section throughout the length of the boom. The boom is generally V-shaped and has a third attachment means formed at the apex thereof. During fabrication of the boom, the various plates and attachment means are positioned in suitably arranged fixtures and are tack welded together. The boom is then placed on each of its sides for final welding purposes.

REFERENCES:
patent: 1593261 (1926-07-01), Holmes
patent: 2066600 (1937-01-01), Wilson
patent: 2610754 (1952-09-01), Inskeep
patent: 3237353 (1966-03-01), Gilmore
patent: 3581919 (1971-06-01), Karlsson
patent: 3856161 (1974-12-01), Baron

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