Actuator with planetary screw drive (psd)
US-2016348775-A1 · Dec 1, 2016 · US
Roller screw mechanism with integrated ring gears and associated manufacturing method
US10041573B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10041573-B2 |
| Application number | US-201514864936-A |
| Country | US |
| Kind code | B2 |
| Filing date | Sep 25, 2015 |
| Priority date | Sep 29, 2014 |
| Publication date | Aug 7, 2018 |
| Grant date | Aug 7, 2018 |
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- Title
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Abstract
Official abstract text for this publication.
A roller screw mechanism comprising a screw having an outer thread, a nut disposed around and coaxially with the screw. The nut includes an inner thread. A plurality of rollers are disposed radially between the screw and the nut and are each provided with an outer thread engaged with the outer and inner threads of the screw and of the nut and with two outer gear teeth. The mechanism additionally comprises two synchronizing gear teeth that are formed on the nut and are each engaged with one of the gear teeth of the rollers. The root diameter of each gear teeth is less than the inside diameter of the inner thread of the nut.
First claim
Opening claim text (preview).
What is claimed is: 1. A roller screw mechanism comprising: a screw having an outer thread; a nut disposed coaxially around the screw, the nut comprising an inner thread, and a plurality of rollers disposed radially between the screw and the nut and having an outer thread engaged with the outer thread of the screw and with the inner thread of the nut and having two sets of outer gear teeth; and two sets of synchronizing gear teeth formed on the nut, each of the two sets of s…
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Classifications
Operations & Transport · mapped topic
- F16H25/2252Primary
Mechanical Engineering · mapped topic
- F16H25/2247Primary
Mechanical Engineering · mapped topic
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Frequently asked questions
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- What does patent US10041573B2 cover?
- A roller screw mechanism comprising a screw having an outer thread, a nut disposed around and coaxially with the screw. The nut includes an inner thread. A plurality of rollers are disposed radially between the screw and the nut and are each provided with an outer thread engaged with the outer and inner threads of the screw and of the nut and with two outer gear teeth. The mechanism additionall…
- Who is the assignee on this patent?
- Abevi Folly, Boch Christian, Skf Ab
- What technology area does this patent fall under?
- Primary CPC classification F16H25/2252. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Aug 07 2018 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).