Work machine

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 12006193
APP PUB NO 20220297991A1
SERIAL NO

17636178

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

Provided is a work machine capable of effectively discharging air from a hydraulic circuit of a winch unit capable of applying braking to a winch drum by receiving a working oil. The work machine includes: a winch unit having a winch drum, a winch motor, a cylinder portion and a clutch portion; a hydraulic sources; a braking operating unit; a brake valve; a connecting portion; and a throttle portion. The throttle portion includes an opening having an opening diameter that is set so as to hold a pressure in a positive oil chamber for generating a brake force applied to the winch drum and to discharge a working oil from the positive oil chamber.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
KOBELCO CONSTRUCTION MACHINERY CO LTD2-1 ITSUKAICHIKOU 2-CHOME SAEKI-KU HIROSHIMA HIROSHIMA-SHI 731-5161

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kamon, Yoshiki Hyogo, JP 7 54
Kishi, Takuro Hyogo, JP 2 0
Takamori, Toshimitsu Hyogo, JP 1 0
Terauchi, Kenichi Hyogo, JP 13 31
Tsunoo, Taisuke Hyogo, JP 7 24

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation

Maintenance Fees

Fee Large entity fee small entity fee micro entity fee due date
3.5 Year Payment $1600.00 $800.00 $400.00 Dec 11, 2027
7.5 Year Payment $3600.00 $1800.00 $900.00 Dec 11, 2031
11.5 Year Payment $7400.00 $3700.00 $1850.00 Dec 11, 2035
Fee Large entity fee small entity fee micro entity fee
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