US Patent No: 5,102,289

Number of patents in Portfolio can not be more than 2000

Damper device for precision assembling robot

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Abstract

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A damper device for a precision assembling robot is capable of dampening the residual vibrations of the robot arm resulting from a lack of rigidity of the arm. The damper device is fixed to the tip of the robot arm to absorb the vibration energy of the swinging robot arm. The damper device includes a cylindrical weight member and a columnar rubber member. The damper device further includes a metallic rod inserted in the columnar rubber member. The length and position of the inserted metallic rod controls the dampening factor of the damper device. Therefore, the precision assembling robot with the damper device is capable of preventing a failure of assembly due to positioning errors resulting from residual vibrations, or nonconformities due to the impact of the robot arm against an object.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
SEIKO INSTRUMENTS INC.CHIBA2176

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Nagai, Masahide Tokyo, JP 7 39
Shimada, Akira Sunto-gun, JP 111 773
Yokoshima, Norio Narashino, JP 4 69

Cited Art Landscape

Patent Info (Count) # Cites Year
 
MITSUBISHI DENKI KABUSHIKI KAISHA (1)
4,873,888 Viscosity damper 12 1988
 
NHK SPRING CO., LTD. (1)
4,494,634 Impact damper 7 1981
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
4,697,781 Dynamic damper 14 1986
 
Other [Check patent profile for assignment information] (1)
4,852,848 Pipe vibration reducer 16 1989

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
LORD CORPORATION (7)
6,296,093 Vibration-damped machine and control method therefor 20 1998
8,090,482 Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations 1 2008
8,162,606 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations 1 2009
8,480,364 Computer system and program product for controlling vibrations 1 2010
8,267,652 Helicopter hub mounted vibration control and circular force generation systems for canceling vibrations 1 2010
8,313,296 Helicopter vibration control system and rotary force generator for canceling vibrations 0 2011
8,639,399 Distributed active vibration control systems and rotary wing aircraft with suppressed vibrations 0 2011
 
BROOKS AUTOMATION, INC. (2)
6,366,830 Self-teaching robot arm position method to compensate for support structure component alignment offset 37 2001
7,039,498 Robot end effector position error correction using auto-teach methodology 5 2003
 
NOVELLUS SYSTEMS, INC. (2)
6,761,085 Method and apparatus for damping vibrations in a semiconductor wafer handling arm 5 2002
6,976,400 Method and apparatus for damping vibrations in a semiconductor wafer handling arm 5 2004
 
ASM ASSEMBLY AUTOMATION LTD (1)
6,758,113 High speed pick and place apparatus 8 2001
 
ELLIOTT SCIENTIFIC LIMITED (1)
6,757,985 Precise positioning of an object 3 2003
 
FANUC ROBOTICS NORTH AMERICA, INC. (1)
5,331,264 Method and device for generating an input command for a motion control system 43 1993
 
Janome Sewing Machine Co., Ltd. (1)
D410660 Industrial robot 4 1998
 
LAWRENCE LIVERMORE NATIONAL SECURITY, LLC (1)
5,811,951 High precision redundant robotic manipulator 13 1996
 
TOYOTA JIDOSHA KABUSHIKI KAISHA (1)
5,627,440 Method of computing drive pattern for suppressing vibration of industrial robot 12 1995

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