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公开(公告)号：US20240240516A1
公开(公告)日：2024-07-18
申请号：US18208706
申请日：2023-06-12
Applicant: FRESH SPRING INTERNATIONAL,INC.
Inventor： Chih-Ming HSIEH
Abstract: A blind without pull cord and a raising device. The blind includes a blind structure and at least one raising device. The blind structure has a fixed side and a movable side opposite to each other. The raising device includes a housing, a retracting component and a raising cord. The housing is connected to the movable side. The retracting component is rotatably disposed on the housing. Two opposite ends of the raising cord are connected to the blind structure and the retracting component, respectively. The retracting component is configured to raise the movable side relative to the fixed side via the raising cord.
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公开(公告)号：US10344529B2
公开(公告)日：2019-07-09
申请号：US15655824
申请日：2017-07-20
Applicant: FRESH SPRING INTERNATIONAL, INC.
Inventor： Chih-Ming Hsieh
Abstract: A tilt mechanism for a blind includes a spool, two transmission shafts, two transmission sleeves and a driven shaft. The spool has an inner gear. Each transmission shaft has an assembling portion and a gear. The gears are engaged with the inner gear. The transmission sleeves are respectively engaged with the assembling portions of the transmission shafts, and each transmission sleeve has an outer surface and a worm gear located at the outer surface thereof. The driven shaft has a teeth portion, and the teeth portion is engaged with the worm gear. The transmission shafts and the transmission sleeves are simultaneously rotatable by being driven by the spool, and the driven shaft is rotatable between a start position and a stop position along an operating direction by being driven by the transmission sleeves.
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公开(公告)号：US20180371831A1
公开(公告)日：2018-12-27
申请号：US15655824
申请日：2017-07-20
Applicant: FRESH SPRING INTERNATIONAL,INC.
Inventor： Chih-Ming HSIEH
CPC classification number: E06B9/307 , E06B9/304 , E06B2009/285
Abstract: A tilt mechanism for a blind includes a spool, two transmission shafts, two transmission sleeves and a driven shaft. The spool has an inner gear. Each transmission shaft has an assembling portion and a gear. The gears are engaged with the inner gear. The transmission sleeves are respectively engaged with the assembling portions of the transmission shafts, and each transmission sleeve has an outer surface and a worm gear located at the outer surface thereof. The driven shaft has a teeth portion, and the teeth portion is engaged with the worm gear. The transmission shafts and the transmission sleeves are simultaneously rotatable by being driven by the spool, and the driven shaft is rotatable between a start position and a stop position along an operating direction by being driven by the transmission sleeves.
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