Griffon has been granted a patent for a motor adapter assembly that connects a motor shaft of a ceiling fan to a downrod. The assembly includes a base plate, a cradle with arms, and a threaded bushing. A cap can be threaded onto the bushing to pivot the downrod between an upright and pivoted position. GlobalData’s report on Griffon gives a 360-degree view of the company including its patenting strategy. Buy the report here.

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According to GlobalData’s company profile on Griffon, was a key innovation area identified from patents. Griffon's grant share as of September 2023 was 79%. Grant share is based on the ratio of number of grants to total number of patents.

Motor adapter assembly for ceiling fan shaft and downrod coupling

Source: United States Patent and Trademark Office (USPTO). Credit: Griffon Corporation

A recently granted patent (Publication Number: US11773858B2) describes a motor adapter assembly for coupling a motor shaft of a ceiling fan to a downrod. The assembly includes a wedge with a peripheral wall that defines a passage for the downrod, and the peripheral wall has opposing wedge apertures. A cradle with two spaced arms forms a seat for the wedge, and each arm has an aperture aligned with the wedge apertures. A pin extends through the aligned apertures to couple the cradle and the wedge to the downrod. A threaded cap is provided around the wedge and engages the pin, preventing rotation of the wedge relative to the pin when the cap is rotated.

The motor adapter assembly may also include a first plate with slots that receive the arms of the cradle, coupling it to the motor housing. Additionally, a second plate can be coupled to either the motor housing or the first plate and is adapted to couple to the cap. The pin may include a spring finger that retains it within the downrod, wedge, and cradle. Furthermore, a fastener can be retained in the seat and is adapted to couple to the motor shaft. The pin forms a rotational axis for the wedge relative to the cradle, and it includes a spring member that secures the pin within the wedge and cradle. The spring member can be depressed to release the pin from the wedge and cradle. The cap threads about the pin.

Overall, this motor adapter assembly provides a secure and adjustable coupling mechanism between the motor shaft of a ceiling fan and a downrod. The wedge, cradle, pin, and cap work together to prevent rotation of the wedge and ensure a stable connection. The inclusion of plates and fasteners further enhances the assembly's stability and functionality. This patent offers a unique solution for connecting ceiling fan components and may find applications in the manufacturing and installation of ceiling fans.

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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.