Material or article handling – Vertically swinging load support – Shovel or fork type
Reexamination Certificate
2006-02-07
2006-02-07
Underwood, Donald W. (Department: 3652)
Material or article handling
Vertically swinging load support
Shovel or fork type
C414S918000
Reexamination Certificate
active
06994511
ABSTRACT:
A loader assembly is provided according to the invention. The loader assembly includes a boom arm and a bracket assembly. The boom arm includes a tower that includes a plurality of first hydraulic fluid coupler members, a lift arm that rotates relative to the tower about a tower/lift arm rotating pin, and at least one hydraulic cylinder. The bracket assembly includes a stationary bracket that includes a plurality of second hydraulic fluid coupler members. The stationary bracket is constructed for attachment to a motor vehicle and attachment to the tower to provide a fluid connection between the first coupler members and the second coupler members. The rotating bracket rotates relative to the stationary bracket about a bracket rotation pin. The rotating bracket is constructed to receive the tower and rotate the tower for attachment to the stationary bracket. A combination motor vehicle and loader assembly, and methods for operating a loader assembly are provided. Hydraulic cylinders that are ported at one end are also provided.
REFERENCES:
patent: 2326338 (1943-03-01), 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: 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.
Westendorf Neal W.
Merchant & Gould P.C.
Underwood Donald W.
Westendorf Manufacturing Co., Inc.
LandOfFree
Loader assembly, combination motor vehicle and loader... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Loader assembly, combination motor vehicle and loader..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Loader assembly, combination motor vehicle and loader... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3632907