Key joint apparatus for assembly of electrical motors

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4682069
SERIAL NO

06861011

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Calculated Rating
US Family Size
Non-US Coverage
Patent Longevity
    Expired
Forward Citations

Abstract

See full text

The invention concerns a key joint for electric motors. More particularly, in order to obtain simplified assembly of a squirrel-cage rotor having inclined grooves to a shaft, a key joint is provided wherein the key comprises two integrated parts (1) and (2). The first part (1) has the same width and depth as the keyway in the shaft, while the second part (2) is inclined relative to the first part (1) and arranged radially outside of the latter.

First Claim

See full text

Other Claims data not available

Family

PCTEP
+
−

Patent Owner(s)

Patent OwnerAddress
FLYGT AKTIEBOLAG A CORP OF SWEDEN171 25 SOLNA

International Classification(s)

loading....
  • 1986 Application Filing Year
  • H02K Class
  • 382 Applications Filed
  • 2 Patents Issued To-Date
  • 0.53 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances19861987198819890255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stahl, Torvald Alvsjo, SE 2 14

Cited Art Landscape

Load Citation

Patent Citation Ranking

  • 7 Citation Count
  • H02K Class
  • 0 % this patent is cited more than
  • 38 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges

Forward Cite Landscape

Load Citation