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2011
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Invention
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Tightening machine having socket unit. A tightening machine has a socket unit which tightens a re... |
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Invention
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Phase control apparatus. A phase control apparatus is provided with a first transistor 31, 31' wh... |
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Invention
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Phase control apparatus. A phase control apparatus includes a first transistor whose source or em... |
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Invention
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Electric tool. In an electric tool, in order to carry out a phase control or an antiphase control... |
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Invention
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Motorized tool. Disclosed is a motorized tool such that phase control using transistors or antiph... |
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Invention
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Electric tool. In an electric tool, in order to carry out a phase control or an antiphase ... |
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2010
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Invention
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Antenna switching method of wireless communication system. An antenna switching method of a wirel... |
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Invention
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Bolt or nut tightening device |
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Invention
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Bolt or nut tightening device. A bolt or nut tightening device having an outer shaft and an inner... |
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Invention
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Wireless data transmitting and receiving system. There is provided a wireless data transmitting a... |
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2009
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Invention
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Tightening torque measuring unit. A tightening torque measuring unit capable of reducing errors w... |
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2008
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Invention
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Power increasing device with a display for wrench |
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2007
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Invention
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Bolt or nut tightening device. A bolt or nut tightening device comprises the combination of input... |
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Invention
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Bolt or nut tightening device. A bolt or nut tightening device has an outer shaft and an inner sh... |
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Invention
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Electric bolt/nut fastener. An abrupt fall in a current value immediately after an abrupt rise at... |
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Invention
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Electric bolt/nut fastener. An abrupt fall in a current value immediately after an abrupt ... |
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2006
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Invention
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Bolt and nut tightening device |
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2005
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Invention
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Electric tightening device. A controller compares a minimum value of power source voltage which d... |
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Invention
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Torque measuring device |
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Invention
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Tightening torque measuring unit and torque indicating tightening device. A tightening torque mea... |
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Invention
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Bolt or nut tightening device having reaction force receiving member. A bolt or nut tightening de... |
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2004
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Invention
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Torque wrench |
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1998
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Invention
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Inner socket |
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Invention
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Device for tightening bolt and/or nut. A device for tightening a bolt or a nut has a tightening s... |
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Invention
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Bolt tightening device. A bolt tightening device for tightening torque controlled bolts each havi... |
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1997
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Invention
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Device for tightening bolt and nut. A device for tightening a bolt and a nut including a housing ... |
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1994
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Invention
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Nut tightening device. A device comprises a housing having a planetary gear reduction mechanism a... |
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Invention
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Device for fastening and loosening threaded members. A device for fastening and loosening threade... |
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Invention
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Bolt fastening device |
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1992
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Invention
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Device for tightening up nut on bolt. A device for tightening up nuts on torque-controlled bolts ... |
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1986
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Invention
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Bolt-nut tightening device having means for preventing abnormal rotation. A bolt-nut tightening d... |
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1984
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Invention
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Power tightening device having detachable socket unit. A power tightening device having a unit of... |
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Invention
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Bolt tightening apparatus having bolt tip discharging device. A bolt tightening apparatus having ... |
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Invention
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Rotary power tool. A rotary power tool wherein an epicyclic train has a planet gear support frame... |
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1982
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Invention
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Bolt tightening device having auxiliary handle. A bolt tightening device comprising a main body i... |
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1981
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Invention
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Device for fastening bolts. A device for fastening a bolt having a tip to be sheared therefrom co... |
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1980
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Invention
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Power wrench |
