Bucket loader boom

Details Bucket loader boom Bucket loader boom

1976-09-20

1978-06-13

Hoffman, Drayton E.

Traversing hoists

Overhead

Cable

212144, 214138R, E02F 381

Patent

active

040944220

ABSTRACT:
A boom arrangement for a bucket loader of particular use in the context of low headroom mine workings comprises two articularly connected boom elements having ram means for varying the relative angular positions thereof and a further ram means for raising or lowering the articularly connected elements, that ram means intended for varying the relative angular positions of the articularly connected boom elements being disposed within the acute angle formed by and between such elements.

REFERENCES:
patent: 2754985 (1956-07-01), Przybylski
patent: 2801012 (1957-07-01), Lederer
patent: 3195747 (1965-07-01), Kashergen
patent: 3495728 (1970-02-01), Long
patent: 3578188 (1971-05-01), Drieschner
patent: 3989149 (1976-11-01), Smith et al.
patent: 3991886 (1976-11-01), Thorsell

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