Title:
EXCAVATOR
Document Type and Number:
Japanese Patent JP2724440
Kind Code:
B2
Abstract:
PURPOSE: To eliminate a leader mast when a rotatively driven spinning type excavating shaft such as an auger shaft is used, provide a compact and lightweight machine as a whole, and invariably maintain the stable state against the vertical movement of a driving device, high safety, and excellent excavation performance.
CONSTITUTION: A lift guide frame 23 having a nearly U-shaped short planar shape is tiltably provided on a crawler type machine 5, the opened face is directed forward, and recesses for storing the cylinder lift legs 14 of a driving device 11 are provided on the inside near the right and left ends. A cylindrical rotary shaft 13 is erected to vertically penetrate the driving device 11 provided with the cylinder lift legs 14 on the right and left, the driving device 11 is liftably stored in the lift guide frame 23, and a holding drum formed on an excavating shaft 16 such as an auger shaft can be hooked on the inner periphery of the cylindrical rotary shaft 13.
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Inventors:
MATSUZAWA HAJIME
Application Number:
JP31061894A
Publication Date:
March 09, 1998
Filing Date:
December 14, 1994
Export Citation:
Assignee:
MATSUZAWA KIKO KK
SUZUKI GIKEN KOGYO KK
SUZUKI GIKEN KOGYO KK
International Classes:
E21B7/00; E21B3/02; E21B7/20; (IPC1-7): E21B3/02; E21B7/00
Attorney, Agent or Firm:
Kubo Tsukasa
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