Method for converting a digging boom to a lifting boom

Details Method for converting a digging boom to a lifting boom Method for converting a digging boom to a lifting boom

1988-05-11

1989-11-14

Basinger, Sherman D.

Traversing hoists

Having means facilitating assembly or disassembly

Of boom sections

228119, 228170, 414680, 212270, B23K 3102

Patent

active

048801232

ABSTRACT:
A method for converting the angulate form boom of a digging machine such as a backhoe or the like into a substantially straight lifting boom. The original angulate form boom is separated into two parts in the vicinity of the angular transition and is realigned so that the top sides are substantially co-planar. A union then is formed to rejoin the separated portion. By initially separating the boom with an elongate parting locus passing near the lifting point of the original boom, and the employment of elongate top and bottom plates, improved structural integrity is achieved and an advantageous shifting of the lifting point to the bottom of the resultant lifting boom is realized.

REFERENCES:
patent: 3043394 (1962-07-01), Hall
patent: 3977548 (1976-08-01), McCannon et al.
patent: 4105151 (1978-08-01), Eltzroth
patent: 4247035 (1981-01-01), Eltzroth
patent: 4523684 (1985-06-01), Baisden
patent: 4524873 (1985-06-01), McGowan

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