Reduction gear

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12158195
APP PUB NO 20210207685A1
SERIAL NO

17273501

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A reduction gear W1 that is configured to reduce a rotation speed input to an input shaft 1, and output the reduced rotation speed from an output shaft, the reduction gear including: an inner trochoid 8 that has a wavy curved surface formed on an inner circumferential side surface thereof; an inner trochoid holder 9 that is designed to hold the inner trochoid 8; an outer trochoid 3 that has a wavy curved surface formed on an outer circumferential side surface thereof; a rotation restriction unit that is designed to restrict rotation of the outer trochoid 3 around an axis thereof; and an output pin 9 that is pinched between the outer circumferential side surface of the outer trochoid 3 and the inner circumferential side surface of the inner trochoid 8.

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Patent Owner(s)

  • NITTAN CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Horiuchi, Yasuhiro Hadano, JP 35 389
Kameda, Michihiro Hadano, JP 24 62

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Maintenance Fees

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3.5 Year Payment $1600.00 $800.00 $400.00 Jun 3, 2028
7.5 Year Payment $3600.00 $1800.00 $900.00 Jun 3, 2032
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 3, 2036
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Surcharge - 3.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 7.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge - 11.5 year - Late payment within 6 months $160.00 $80.00 $40.00
Surcharge after expiration - Late payment is unavoidable $700.00 $350.00 $175.00
Surcharge after expiration - Late payment is unintentional $1,640.00 $820.00 $410.00