Hollow shaft epicyclic translative drive with centrally positioned transmittance and integrated utility apparatus
First Claim
1. An epicyclic drive comprising:
- an inner shaft having an engageable end and a sun gear at an opposite end;
a coaxial hollow outer shaft having an engageable transmittance intermediate first and second opposite ends thereof, a planetary gear set platform at said second end thereof with planet gears rotatably mounted thereabout, said inner shaft extending through said hollow outer shaft and rotatable therein with said sun gear extending through said platform into engagement with said planet gears and said engageable end extending from said first end; and
a stationary ring gear engaging said planet gears therein to facilitate rotation of said outer shaft responsive to rotation of said planet gears by said sun gear of said inner shaft.
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Abstract
A drive is disclosed that is useful with a variety of apparatus for either multiplying torque or increasing rotational speed. The drive includes a supported inner shaft having a sun gear at one end, the inner shaft receivable through a hollow outer coaxial shaft having an engageable transmittance (a spur gear, for example) intermediate first and second opposite ends thereof. A planetary gear set platform is located at one end of the outer shaft, planet gears rotatably mounted thereabout in engagement with the sun gear received through the platform for rotation in a stationary ring gear. A right angle translate gear is affixed to the inner shaft adjacent an end thereof opposite the sun gear, a rotational source engagable at one of the translate gear and the transmittance and a utility output engagable at the other.
29 Citations
20 Claims
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1. An epicyclic drive comprising:
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an inner shaft having an engageable end and a sun gear at an opposite end; a coaxial hollow outer shaft having an engageable transmittance intermediate first and second opposite ends thereof, a planetary gear set platform at said second end thereof with planet gears rotatably mounted thereabout, said inner shaft extending through said hollow outer shaft and rotatable therein with said sun gear extending through said platform into engagement with said planet gears and said engageable end extending from said first end; and a stationary ring gear engaging said planet gears therein to facilitate rotation of said outer shaft responsive to rotation of said planet gears by said sun gear of said inner shaft. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An epicyclic translative drive comprising:
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an inner shaft having a right angle translate gear affixed at an engageable end thereof and a sun gear at an opposite end; and a coaxial hollow outer shaft having an engageable transmittance intermediate first and second opposite ends thereof, a planetary platform at said second end thereof, said inner shaft extending rotatably through said hollow outer shaft with said sun gear extending through said platform and said engageable end extending from said first end. - View Dependent Claims (9, 10, 11, 12, 13, 14)
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15. A utility apparatus comprising:
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an epicyclic translative drive including an inner shaft having a sun gear at one end, a coaxial hollow outer shaft having an engageable transmittance intermediate first and second opposite ends thereof, a planetary gear set platform at said second end thereof with planet gears rotatably mounted thereabout, said inner shaft extending rotatably through said hollow outer shaft with said sun gear extending through said platform into engagement with said planet gears, and a right angle translate gear affixed to said inner shaft opposite said sun gear; a rotational source engaged at one of said right angle translate gear and said transmittance; and a utility output engageable at the other of said right angle translate gear and said transmittance.
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- 16. The utility apparatus of claim 16 further comprising a housing, a stationary ring gear engaging said planet gears mounted in said housing.
Specification