US Patent No: 4,511,974

Number of patents in Portfolio can not be more than 2000

Load condition indicating method and apparatus for forklift truck

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Importance

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Abstract

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An indicating method and apparatus of cargo load condition of a forklift truck. In this method and apparatus weight and centroid position of the loaded cargo are calculated by a calculation control circuit based on loads applied to a lift mechanism and a tilt mechanism of the truck. The calculated weight and centroid position are displayed on two-dimensional coordinates illustrated on a displaying device in contrast with an overturn danger line which is determined forecasting the forward overturn of the truck. The load condition may be displayed in three-dimensional coordinates in relation to lift height of the cargo as well as the weight and the centroid position thereof.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
KABUSHIKI KAISHA TOYODA JIDOSHOKKI SEISAKUSHOKARIYA2416

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nakane, Masao Saitama, JP 9 107
Ogawa, Takaki Kariya, JP 8 125
Takahashi, Motohiko Aichi, JP 1 83

Cited Art Landscape

Patent Info (Count) # Cites Year
 
AC MATERIAL HANDLING CORPORATION, 777 MANOR PARK DRIVE, COLUMBUS, OHIO 43228 A CORP. OHIO (1)
4,398,860 Fork lift truck having means to test overload protective system 3 1978
 
SELOC REALIZATIONS LIMITED (1)
4,368,824 Safe load indicator 18 1980

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
ETHICON ENDO-SURGERY, INC. (24)
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Cascade Corporation (3)
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Tandy Corporation (1)
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WIGGINS LIFT CO., INC. (1)
6,785,597 Hydraulic stabilizer system and process for monitoring load conditions 13 2003
 
Other [Check patent profile for assignment information] (11)
4,839,835 Apparatus and method responsive to the on-board measuring of the load carried by a truck body 74 1985
5,011,358 Height indicator for a fork lift truck 37 1988
5,528,499 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 37 1995
5,742,914 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 38 1995
5,650,930 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 50 1995
5,650,928 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 38 1995
5,644,489 Apparatus and method for identifying containers from which material is collected and loaded onto a haulage vehicle 20 1995
5,631,832 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 30 1995
5,631,835 Apparatus for identifying containers from which refuse is collected and compiling a historical record of the containers 10 1995
5,995,888 Apparatus and method responsive to the on-board measuring of haulage parameters of a vehicle 33 1998
6,185,489 Vehicle overturn monitor 14 1998