Caulking method for preventing piston of hydraulic/pneumatic cylinder from being loosened

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9522445
APP PUB NO 20150224610A1
SERIAL NO

14430090

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A caulking method for preventing a piston from being loosened in a hydraulic or pneumatic cylinder. The method includes forming a screw hole and a mutual screw engagement portion of a cylinder rod and a piston, and fasteningly engaging a set screw with the screw hole. The method also includes pressing a remaining space portion of the screw hole in an engagement direction of the set screw using a press mechanism after fasteningly engaging the set screw with the screw hole to change a pitch of a screw thread of an inlet portion of the screw hole.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • VOLVO CONSTRUCTION EQUIPMENT AB

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chung, Yun-Hyun Changwon-si, KR 3 8
Song, Ki-Cheon Changwon-si, KR 1 0

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
11.5 Year Payment $7400.00 $3700.00 $1850.00 Jun 20, 2028
Fee Large entity fee small entity fee micro entity fee
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