BORING-JIB MACHINE Russian patent published in 1994 - IPC

Abstract RU 2019664 C1

FIELD: boring machines. SUBSTANCE: boring-jib machine has jib with boring and hoisting equipment, vehicle with base frame, full-swing deck, base-adjoining member, jib-tilting hydraulic cylinder hinge-jointed with full-swing deck and jib, jib is hinged with base-adjoining members. Full-swing deck is mounted on additional frame, which is hinge-jointed with base frame. Base frame and additional frame are articulated by means of additional hydraulic actuating cylinder. EFFECT: enlarged operating capabilities. 3 dwg

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RU 2 019 664 C1

Authors

Рerfil'Ev А.V.

Dates

1994-09-15—Published

1992-05-12—Filed