Upper frame structure for supporting cab of construction...

Details Upper frame structure for supporting cab of construction... Upper frame structure for supporting cab of construction...

2007-06-20

2008-11-04

Morrow, Jason S (Department: 3612)

Land vehicles: bodies and tops

Bodies

Structural detail

C296S190080, C180S089120

Reexamination Certificate

active

07445272

ABSTRACT:
An upper frame structure for supporting a cab of construction machinery is disclosed, which can support the cap mounted on the upper frame when a vertical load, which is so much that the cab structure is plastically deformed, is applied to the upper frame. The upper frame structure includes a center frame having a bottom plate on which a swing ring gear is mounted and a pair of side plates vertically fixed to the bottom plate and on which operation devices are mounted; a left frame mounted on a left side of the center frame and having a left side frame on which the cab is mounted; reinforcement members each of which has one end fixed by welding to a side surface of the side plate of the center frame and the other end fixed by welding to a side surface of the left side frame, and on which the cap is mounted; and a fastening member installed on the bottom plate to offset a load vertically applied to the cab and a load laterally applied to the cab, and fixing the reinforcement member to the bottom plate.

REFERENCES:
patent: 7131686 (2006-11-01), Jo et al.
patent: 2004/0245806 (2004-12-01), Mori et al.
patent: 2005/0000121 (2005-01-01), Mori
patent: 2006/0125287 (2006-06-01), Fornell et al.
patent: 2006/0158006 (2006-07-01), Mori
patent: 2006/0249986 (2006-11-01), Yoon
patent: 2007/0018484 (2007-01-01), Lee
patent: 2007/0035160 (2007-02-01), Murakami
patent: 2007/0085380 (2007-04-01), Murakami et al.

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