Title:
MOBILE CRANE PROVIDED WITH SEPARABLE A FRAME
Document Type and Number:
Japanese Patent JP2022021321
Kind Code:
A
Abstract:
To provide a mobile crane provided with an A frame which includes a unit capable of moving in a base device by reducing weight and using a small assembling effort.SOLUTION: A mobile crane comprises an undercarriage which includes a movement gear, a superstructure which is supported on the undercarriage in a manner of capable of rotating around a vertical axis, a boom connected on the superstructure in a manner capable of turning around a horizontal axis by using articulated type, an A frame which is connected to the superstructure in a manner capable of turning around the horizontal axis by using articulated type and is also connected to the boom by guying means, and a retraction mechanism which makes it possible to turn the A frame. The invention relates to the mobile crane, especially, a crawler crane. The A frame is separable and includes a pole 14 connected to the superstructure by using articulated type and a folding pole 16 removably connected to the pole.SELECTED DRAWING: Figure 2
Inventors:
RICHARD TORGHELE
MANUEL TORGHELE
MANUEL TORGHELE
Application Number:
JP2021117071A
Publication Date:
February 02, 2022
Filing Date:
July 15, 2021
Export Citation:
Assignee:
LIEBHERR WERK NENZING
International Classes:
B66C23/82; B66C23/26
Domestic Patent References:
| JPS6050695U | 1985-04-09 | |||
| JPH0466197U | 1992-06-10 | |||
| JPS5438056A | 1979-03-22 |
Attorney, Agent or Firm:
Maeda patent office
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