OPENING/CLOSING DEVICE OF CONSTRUCTION MACHINERY

Title:

OPENING/CLOSING DEVICE OF CONSTRUCTION MACHINERY

Document Type and Number:

WIPO Patent Application WO/2005/105553

Kind Code:

A1

Abstract:

Opening/closing devices (18, 19) for opening/closing a bonnet (13) at the rear of a frame capable of largely securing the opening part of the bonnet formed in its opened attitude. The opening/closing devices is formed in a four-point supporting link structure having a bonnet side supporting plate (20) fixed to the bonnet (13) integrally with each other and having first and second supporting parts (20c) and (20d) installed at the front and rear ends thereof, a frame body side supporting plate (21) fixed to a bracket (17b) for the opening/closing device installed on a rear frame (10) integrally with each other and having first and second supporting parts (21c) and (21d) installed at the front and rear ends thereof, and first and second links (22) and (23) swingably connecting the first supporting parts (20c) and (21c) of the supporting plate (20) to each other and the second supporting parts (20d) and (21d) of the supporting plate (21) to each other.

Inventors:

ISHIMARU TETSUYA (JP)
KUDO RYU (JP)
FUJIWARA MAKOTO (JP)

Application Number:

PCT/JP2005/004038

Publication Date:

November 10, 2005

Filing Date:

March 02, 2005

Export Citation:

Click for automatic bibliography generation Help

Assignee:

CATERPILLAR MITSUBISHI LTD (JP)
ISHIMARU TETSUYA (JP)
KUDO RYU (JP)
FUJIWARA MAKOTO (JP)

International Classes:

B62D25/10; E02F9/00; B62D25/12; E02F9/08; E05D3/06; E05D15/46; E05B17/00; E05B63/04; (IPC1-7): B62D25/12

Foreign References:

JPS61139565A

1986-06-26

Other References: