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公开(公告)号：US20200224461A1
公开(公告)日：2020-07-16
申请号：US16627007
申请日：2017-11-28
发明人： Tomoharu Nagaoka , Hiroaki Fujiwara
摘要： In a vehicle door latch apparatus, a one-motion operation can be allowed. Switching element is in a double unlocked state when it is in the connected position and is in a double locked state when it is in the disconnected position. The double unlocked state enables a one-motion operation, in which switching element is linked to the release operation of first inside lever in order to switch the locking mechanism from the locked state to the unlocked state and in which the release operation of first inside lever is transmitted to second inside lever in order to open the door, and in the double locked state, switching element is not linked to the release operation of first inside lever, prevents the release operation of first inside lever from being transmitted to second inside lever and prevents the locking mechanism from being switched from the locked state to the unlocked state.
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公开(公告)号：US20200224465A1
公开(公告)日：2020-07-16
申请号：US16630968
申请日：2017-10-20
发明人： Tomoharu Nagaoka , Hiroaki Fujiwara
摘要： A power unit for a powered cinching mechanism with a favorable level of operational noise is provided. A door latch apparatus includes latch unit and power unit. Latch unit has latch that engages striker, ratchet that engages latch and first cinching lever that displaces latch from a half-latched position to a full-latched position. Latch unit is attached to an end portion of a vehicle door. Power unit includes motor, cable drum, deceleration mechanism and closed-type housing that houses them. Operational noise at 300 mm right above the housing of power unit is 42.2 to 40.9 dB at a supply voltage to the motor of 9V, 47.5 to 43.9 dB at a supply voltage of 12V, and 49.7 to 46.5 dB at a supply voltage of 16 V. Deceleration mechanism includes a worm gear and a helical gear.
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公开(公告)号：US11555338B2
公开(公告)日：2023-01-17
申请号：US16630968
申请日：2017-10-20
发明人： Tomoharu Nagaoka , Hiroaki Fujiwara
摘要： A power unit for a powered cinching mechanism with a favorable level of operational noise is provided. A door latch apparatus includes latch unit and power unit. Latch unit has latch that engages striker, ratchet that engages latch and first cinching lever that displaces latch from a half-latched position to a full-latched position. Latch unit is attached to an end portion of a vehicle door. Power unit includes motor, cable drum, deceleration mechanism and closed-type housing that houses them. Operational noise at 300 mm right above the housing of power unit is 42.2 to 40.9 dB at a supply voltage to the motor of 9V, 47.5 to 43.9 dB at a supply voltage of 12V, and 49.7 to 46.5 dB at a supply voltage of 16 V. Deceleration mechanism includes a worm gear and a helical gear.
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公开(公告)号：US11454051B2
公开(公告)日：2022-09-27
申请号：US16627007
申请日：2017-11-28
发明人： Tomoharu Nagaoka , Hiroaki Fujiwara
摘要： In a vehicle door latch apparatus, a one-motion operation can be allowed. Switching element is in a double unlocked state when it is in the connected position and is in a double locked state when it is in the disconnected position. The double unlocked state enables a one-motion operation, in which switching element is linked to the release operation of first inside lever in order to switch the locking mechanism from the locked state to the unlocked state and in which the release operation of first inside lever is transmitted to second inside lever in order to open the door, and in the double locked state, switching element is not linked to the release operation of first inside lever, prevents the release operation of first inside lever from being transmitted to second inside lever and prevents the locking mechanism from being switched from the locked state to the unlocked state.
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