Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2005-09-19
2008-10-07
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C172S274000
Reexamination Certificate
active
07431553
ABSTRACT:
A loader work machine including a vehicle body, and a working implement having booms and boom cylinders and mounting frame units for attaching the working implement to a front portion of the vehicle body. Each of the mounting frame units includes a mounting plate fixed to the vehicle body, a support base projecting laterally outward from the mounting plate, a main frame erected on the support base, and a side frame for pivotally supporting proximal ends of one of the booms and one of the boom cylinders. The side frame includes right and left side plates and a connecting element for interconnecting the right and left side plates. The side frame is detachably attached to the main frame by engaging an engaging member disposed in a lower portion of the side frame with an engageable member of the main frame, and connecting a connecting member formed on the side frame to a connectable member formed on the main frame. The main frame is formed as a one-piece plate insertable between the right and left side plates.
REFERENCES:
patent: 6142724 (2000-11-01), Hirooka et al.
patent: 6386821 (2002-05-01), Schneider
patent: 6986634 (2006-01-01), Westendorf et al.
patent: 2003/0223851 (2003-12-01), Muramoto
patent: 2004/0265109 (2004-12-01), Uchijima et al.
patent: 2000-309940 (2000-07-01), None
patent: 2001-132006 (2001-05-01), None
Ishida Arinobu
Nishi Ryoichi
Oyama Kosuke
Yamaguchi Shusaku
Kubota Corporation
The Webb Law Firm
Underwood Donald
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