Ratchet device and screwdriver

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9643299
SERIAL NO

14421585

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

The present invention discloses a ratchet device, cylindrical through holes are arranged at the center of the pawl base and switch-shift cover, the rod body passes through the cylindrical through hole of the pawl base and switch-shift cover, two oblique openings are arranged on the pawl base, a transverse slot is arranged on one side of the periphery of the pawl base, a ratchet base is arranged on the rod body, a ratchet is arranged at one end of the periphery of the ratchet base, the claw of the pawl engages with the ratchet of the ratchet base in an up-down way, a flange is arranged on the external of the pawl. The ratchet structure is configured to achieve the up-and-down motion on the vertical direction, which is convenient for users, easy to use, excellent in saving strength and in improving work efficiency.

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

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

Patent OwnerAddress
SHANGHAI EASY-USE TOOLS ENTERPRISE CO LTDSHANGHAI

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Sun, Shiyu Shanghai, CN 67 934

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
7.5 Year Payment $3600.00 $1800.00 $900.00 Nov 9, 2024
11.5 Year Payment $7400.00 $3700.00 $1850.00 Nov 9, 2028
Fee Large entity fee small entity fee micro entity fee
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