Handling: hand and hoist-line implements – Spacing hoist bar or frame
Reexamination Certificate
2007-05-08
2007-05-08
Lillis, Eileen D. (Department: 3652)
Handling: hand and hoist-line implements
Spacing hoist bar or frame
C294S081400, C294S081530, C294S905000
Reexamination Certificate
active
10733849
ABSTRACT:
The invention relates to a spreader system without electric cables for lifting goods containers. The spreader system comprises a spreader and two pulley sets. Each pulley of the pulley sets is fitted with a geared ring, and gears are fixed on the headblock of the spreader. A tapered coupling is fixed on a gear shaft and is connected to planetary speeder, which is, in turn, connected to a bi-directional plunger pump. Through a hydraulic circuit, the bi-directional plunger pump is connected to a hydraulic accumulating power station which comprises a hydraulic accumulator, a nitrogen bottle connected to the hydraulic accumulator through a pipeline, an oil tank, an electric generator, a battery, and an oil motor connected to the electric generator and controlled by a magnetic valve. On the spreader, there is a remote control transmitter in order to transmit signals to the remote control receiver in the cab of a container crane. While the crane hoists the spreader, due to friction, the wire rope will rotate the pulley sets, which will finally drive the bi-directional plunger pump and an accumulative power source will form. Thereby, cables for the spreader can be omitted.
REFERENCES:
patent: 3888536 (1975-06-01), Durenec
patent: 4035010 (1977-07-01), Kawashita et al.
patent: 5871249 (1999-02-01), Williams
patent: 6354782 (2002-03-01), Barry
patent: 2003/0168871 (2003-09-01), Geis
patent: 2004/0032140 (2004-02-01), Solstad
patent: 1155664 (1997-07-01), None
patent: 2373421 (2000-04-01), None
patent: 10-324493 (1998-12-01), None
patent: 2001240372 (2001-09-01), None
patent: 98/34127 (1998-08-01), None
patent: 01/58797 (2001-08-01), None
patent: 01/98195 (2001-12-01), None
patent: 2005/009885 (2005-02-01), None
U.S. Appl. No. 11/342,309, filed Jan. 27, 2006.
U.S. Appl. No. 11/360,463, filed Feb. 23, 2006
U.S. Appl. No. 11/376,624, filed Mar. 15, 2006.
U.S. Appl. No. 11/388,780, filed Mar. 24, 2006.
U.S. Appl. No. 11/388,752, filed Mar. 24, 2006.
U.S. Appl. No. 11/434,549, filed May 15, 2006.
U.S. Appl. No. 11/512,733, filed Aug. 30, 2006.
U.S. Appl. No. 11/454,626, filed Jun. 16, 2006.
U.S. Appl. No. 10/875,154, filed Jun. 23, 2004.
Lillis Eileen D.
Okezie Esther Onyinyechi
Shanghai Zhanhua Port Machinery Co., Ltd.
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