Dual arm tensioner
US-9651122-B2 · May 16, 2017 · US
US10830316B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-10830316-B2 |
| Application number | US-201715835967-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 8, 2017 |
| Priority date | Dec 8, 2017 |
| Publication date | Nov 10, 2020 |
| Grant date | Nov 10, 2020 |
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A tensioner comprising a carrier pivotably mountable to a mounting surface, an arm having a first pulley journalled thereto and a second pulley journalled thereto, the arm slidingly engaged with the carrier for a linear movement with respect to a carrier axis A-A, and a spring disposed between the carrier and the arm, the spring resisting an arm movement along carrier axis A-A.
Opening claim text (preview).
We claim: 1. A tensioner comprising: a carrier pivotably mountable to a mounting surface; an arm having a first pulley journalled thereto and a second pulley journalled thereto; the arm slidingly engaged within the carrier for a linear movement with respect to a carrier axis A-A; and a spring disposed between the carrier and the arm, the spring resisting an arm movement along carrier axis A-A. 2. The tensioner as in claim 1 , wherein the first pulley and the second pulley are opposite each other with respect to carrier axis A-A. 3. The tensioner as in claim 1 , wherein the spring is a compression spring. 4. The tensioner as in claim 1 , wherein the mounting surface is on a belt driven machine. 5. The tensioner as in claim 1 further comprising a damping member disposed between the carrier and a base to damp a pivotal movement of the carrier. 6. The tensioner as in claim 1 , wherein axis A-A intersects an axis extending through a pivot axis of the carrier. 7. The tensioner as in claim 6 , wherein the pivot axis of the carrier extends through a fastener. 8. The tensioner as in claim 1 , wherein the arm is slidingly engaged in a receiver within the carrier for the linear movement with respect to carrier axis A-A. 9. The tensioner as in claim 1 , further comprising a receiver within the carrier, and wherein (i) the arm includes a spring engaging portion, (ii) the receiver and the spring engaging portion retain the spring, and (iii) the spring engaging portion slidingly engages with the receiver for the linear movement with respect to carrier axis A-A. 10. The tensioner as in claim 9 , further comprising a bushing disposed between the spring engaging portion and the receiver, and wherein the spring engaging portion slidingly engages the receiver within the bushing. 11. The tensioner as in claim 1 , wherein (i) the mounting surface is on a belt driven machine, and (ii) the carrier is pivotably mountable to the belt driven machine mounting surface via a fastener rotationally fixable to the belt driven machine mounting surface. 12. The tensioner as in claim 1 , wherein (i) the carrier includes a carrier protrusion extending into the spring and axially along carrier axis A-A, (ii) the arm includes an arm protrusion extending into the spring and axially along carrier axis A-A, and (iii) the spring is retained between the carrier protrusion and the arm protrusion.
where the axis of the pulley moves along a substantially straight path · CPC title
where the axis of the pulley moves along a substantially circular path · CPC title
Pulleys · CPC title
Linear path · CPC title
Circular path · CPC title
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