US Patent 9719579 Speed change device
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Patent abstract
A speed change device that includes a first clutch that includes a first piston, a first engagement oil chamber, and a first clutch drum that has a first outer tubular portion which extends in an axial direction and with which an outer peripheral portion of a first friction engagement plate is fitted, and a second clutch that includes a second piston, a second engagement oil chamber, and a second clutch drum that has a second inner tubular portion that extends in the axial direction and that slidably supports an inner peripheral portion of the second piston.
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US Patent 09719579 Speed change device US Patent 9719579 Speed change device
Infobox
Patent Number
0971957900
Patent Number
971957900
Edits on 22 Mar, 2023
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
097195790
Date of Patent
August 1, 2017
0Patent Application Number
151241910
Date Filed
March 26, 2015
0Patent Primary Examiner
Edits on 27 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
097195790
Date of Patent
August 1, 2017
0Patent Application Number
151241910
Date Filed
March 26, 2015
0Patent Primary Examiner
Edits on 14 Jan, 2022
Golden AI
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Infobox (+7 properties)
US Patent 09719579 Speed change device
Infobox
Is a
Patent jurisdiction
Patent number
09719579
Date of patent
August 1, 2017
Patent application number
15124191
Date Filed
March 26, 2015
Patent primary examiner
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