Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2006-02-07
2006-02-07
Underwood, Donald (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C414S918000
Reexamination Certificate
active
06994512
ABSTRACT:
A loader assembly is provided having a left boom arm and a right boom arm. The left boom arm includes a left tower, a left loader arm, a left lift cylinder, and a left attachment cylinder. The left tower is constructed for attachment to a bracket on a motor vehicle. The left loader arm includes a first end rotatably attached to the left tower, a second end constructed for attaching to an attachment, and a left lift cylinder/attachment cylinder rotation pin. The left lift cylinder includes a first end rotatably attached to the left tower, and a second end rotatably attached to the left loader arm at the left lift cylinder/attachment cylinder rotation pin. The left attachment cylinder includes a first end rotatably attached to the left loader arm at the left lift cylinder/attachment cylinder rotation pin, and a second end constructed for attaching to an attachment. The right boom arm includes a right tower, a right loader arm, a right lift cylinder, and a right attachment cylinder. The right tower is constructed for attachment to a bracket on a motor vehicle. The right loader arm includes a first end rotatably attached to the right tower, a second end constructed for attaching to an attachment, and a right lift cylinder/attachment cylinder rotation pin. The right lift cylinder includes a first end rotatably attached to the right tower, and a second end rotatably attached to the right loader arm at the right lift cylinder/attachment cylinder rotation pin. The right attachment cylinder includes a first end rotatably attached to the right loader arm at the right lift cylinder/attachment cylinder rotation pin, and a second end constructed for attaching to an attachment. The loader assembly can include a tower subframe extending between the left boom arm and the right boom arm, and the tower subframe can be provided for conveying hydraulic lines between the left boom arm and the right boom arm. A combination motor vehicle and loader assembly and a method for using a loader assembly are provided.
REFERENCES:
patent: 2326338 (1943-08-01), Drott et al.
patent: 2812595 (1957-11-01), Drott et al.
patent: 3077999 (1963-02-01), Svoboda
patent: 3209474 (1965-10-01), Artman
patent: 3243905 (1966-04-01), Ulrich
patent: 3344540 (1967-10-01), Ulrich
patent: 3455477 (1969-07-01), Blair
patent: 3512665 (1970-05-01), Westendorf
patent: 3701443 (1972-10-01), Lely
patent: 3982643 (1976-09-01), MacGregor et al.
patent: 3991890 (1976-11-01), Frank
patent: 4033469 (1977-07-01), Frank
patent: 4051962 (1977-10-01), Westendorf
patent: 4085856 (1978-04-01), Westendorf
patent: 4345870 (1982-08-01), Anderson et al.
patent: 4538955 (1985-09-01), Langenfeld et al.
patent: 4565485 (1986-01-01), Wilman
patent: 4566844 (1986-01-01), Campin
patent: 4606692 (1986-08-01), Langenfeld et al.
patent: 4787811 (1988-11-01), Langenfeld et al.
patent: 4790084 (1988-12-01), Anderson et al.
patent: 4797051 (1989-01-01), Langenfeld et al.
patent: 4798511 (1989-01-01), Kaczmarczyk et al.
patent: 4859130 (1989-08-01), Langenfeld et al.
patent: 4890400 (1990-01-01), Long
patent: 4915575 (1990-04-01), Langenfeld et al.
patent: 4930974 (1990-06-01), Langenfeld et al.
patent: 4968213 (1990-11-01), Langenfeld et al.
patent: 4995760 (1991-02-01), Probst et al.
patent: 5121557 (1992-06-01), Moore
patent: 5232330 (1993-08-01), Rae et al.
patent: 5387076 (1995-02-01), Fuzzen
patent: 5466113 (1995-11-01), Norberg
patent: 5785328 (1998-07-01), Eckloff
patent: 5997237 (1999-12-01), Langenfeld et al.
patent: 6142724 (2000-11-01), Hirooka et al.
patent: D459368 (2002-06-01), Westendorf et al.
patent: 6582177 (2003-06-01), Westendorf et al.
patent: 6663337 (2003-12-01), Westendorf et al.
“Kubota Diesel Tractor”, Catalog No. 3079-01-US, 12 Pages, Feb. 1990.
“Bush Hog Front End Loaders”, 12 Pages, Date Unknown.
“Bush Hog QT Series Front End Loaders”, 16 Pages, Date Unknown.
Langenfeld Joseph W.
Stender James Curtis
Westendorf Neal W.
Underwood Donald
Westendorf Manufacturing Co., Inc.
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