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公开(公告)号：US12024944B2
公开(公告)日：2024-07-02
申请号：US17929436
申请日：2022-09-02
Applicant: Lutron Technology Company LLC
Inventor： Kai He , Andrew Peter Schmalz
CPC classification number: E06B9/322 , E06B9/327 , E06B9/262 , E06B2009/2627
Abstract: A lift cord spool assembly may be used in a motorized window treatment. The lift cord spool assembly may include a spool, a housing, and an end cap. The spool may be configured to windingly receive a lift cord of the motorized window treatment. A diameter of the spool may taper by approximately 0.5 degrees from the first end to an opposed second end. The housing may be configured to surround the spool. The end cap may be configured to attach to the housing, for example, such that the spool is retained within the housing. The end cap may include an inner surface, a shoulder, an aperture, and a guide. The guide may be configured to push the lift cord onto the spool as the lift cord is wound onto the spool. The guide may define a gradual slope around a circumference of the shoulder.
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公开(公告)号：US20220412159A1
公开(公告)日：2022-12-29
申请号：US17929436
申请日：2022-09-02
Applicant: Lutron Technology Company LLC
Inventor： Kai He , Andrew Peter Schmalz
Abstract: A lift cord spool assembly may be used in a motorized window treatment. The lift cord spool assembly may include a spool, a housing, and an end cap. The spool may be configured to windingly receive a lift cord of the motorized window treatment. A diameter of the spool may taper by approximately 0.5 degrees from the first end to an opposed second end. The housing may be configured to surround the spool. The end cap may be configured to attach to the housing, for example, such that the spool is retained within the housing. The end cap may include an inner surface, a shoulder, an aperture, and a guide. The guide may be configured to push the lift cord onto the spool as the lift cord is wound onto the spool. The guide may define a gradual slope around a circumference of the shoulder.
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公开(公告)号：US11434690B2
公开(公告)日：2022-09-06
申请号：US16870279
申请日：2020-05-08
Applicant: Lutron Technology Company LLC
Inventor： Kai He , Andrew Peter Schmalz
Abstract: A lift cord spool assembly may be used in a motorized window treatment. The lift cord spool assembly may include a spool, a housing, and an end cap. The spool may be configured to windingly receive a lift cord of the motorized window treatment. A diameter of the spool may taper by approximately 0.5 degrees from the first end to an opposed second end. The housing may be configured to surround the spool. The end cap may be configured to attach to the housing, for example, such that the spool is retained within the housing. The end cap may include an inner surface, a shoulder, an aperture, and a guide. The guide may be configured to push the lift cord onto the spool as the lift cord is wound onto the spool. The guide may define a gradual slope around a circumference of the shoulder.
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