Tensioning device
US-9005061-B2 · Apr 14, 2015 · US
Tensioner with secondary damping
US9618099B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9618099-B2 |
| Application number | US-201514797559-A |
| Country | US |
| Kind code | B2 |
| Filing date | Jul 13, 2015 |
| Priority date | Jul 13, 2015 |
| Publication date | Apr 11, 2017 |
| Grant date | Apr 11, 2017 |
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- Title
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Abstract
Official abstract text for this publication.
A tensioner comprising a shaft, a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a first spring urging a first damping member into a frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting a damping force greater in a first pivot arm direction than in a second pivot arm direction, and a second spring disposed in the pivot arm and urging a second damping member into a frictional engagement with a base surface, the base surface comprises an arcuate form having a radius that is variable from a minimum value to a maximum value.
First claim
Opening claim text (preview).
We claim: 1. A tensioner comprising: a shaft ( 2 ); a base ( 4 ); a pivot arm ( 11 ) pivotally engaged with the base; a pulley ( 12 ) journalled to the pivot arm; a first spring ( 5 ) urging a first damping member ( 6 ) into frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting a damping force greater in a first pivot arm direction than in a second pivot arm direction; and a second spring ( 9 ) disposed in the pivot arm and urging a second damping member ( 10 ) into frictional engagement with a base surface ( 42 ), the base surface comprises an arcuate form having a radius (R 1 ) that is variable from a minimum value to a maximum value. 2. The tensioner as in claim 1 , wherein the first spring is a torsion spring. 3. The tensioner as in claim 1 , wherein the second spring is a compression spring. 4. The tensioner as in claim 1 , wherein the second damping member and the second spring are disposed in the pivot arm. 5. The tensioner as in claim 4 , further comprising a cover over the second damping member. 6. The tensioner as in claim 5 , wherein the cover further comprises a brush portion.
Assignees
Inventors
Classifications
- F16H7/1218Primary
of the dry friction type · CPC title
Circular path · CPC title
Compression coil springs · CPC title
Pulleys · CPC title
- F16H7/1245Primary
of the dissipating material type, e.g. elastomeric spring · CPC title
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- What does patent US9618099B2 cover?
- A tensioner comprising a shaft, a base, a pivot arm pivotally engaged with the base, a pulley journalled to the pivot arm, a first spring urging a first damping member into a frictional engagement with the pivot arm, the first spring engaged with the base, the first damping member imparting a damping force greater in a first pivot arm direction than in a second pivot arm direction, and a second…
- Who is the assignee on this patent?
- Gates Corp
- What technology area does this patent fall under?
- Primary CPC classification F16H7/1218. Mapped technology areas include Mechanical Engineering.
- When was this patent published?
- Publication date Tue Apr 11 2017 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 1 related publication on this page (citations in our corpus or others sharing the same primary CPC).