Variable spring rate chassis

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 11359402
APP PUB NO 20200318385A1
SERIAL NO

16828504

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An apparatus including a chassis assembly having a housing, a spindle rotatably mounted to the housing, a spring collar rotatably mourned to the housing, a first biasing element rotationally urging the spindle toward a spindle home position, and a second biasing element rotationally urging the spring collar toward a spring collar home position. The apparatus may further include a handle mounted on the chassis such that the chassis biases the handle to a handle home position with a return torque. The handle is engaged with the spindle such that the first biasing element contributes to the return torque. In certain embodiments, the handle may further be engaged with the spring collar such that the second biasing element contributes to the return torque.

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Patent Owner(s)

Patent OwnerAddress
SCHLAGE LOCK COMPANY LLC11819 N PENNSYLVANIA STREET CARMEL IN 46032

International Classification(s)

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  • 2020 Application Filing Year
  • E05B Class
  • 1083 Applications Filed
  • 708 Patents Issued To-Date
  • 65.38 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances2020202120222023202420250255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Holman, Michael Fishers, US 7 24
Malenkovic, Peter Monument, US 23 77
Murphy, Nathanael S Colorado Springs, US 28 184

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Patent Citation Ranking

  • 0 Citation Count
  • E05B Class
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Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges518198201 - 1011 - 200255075100125150175200225250275300325350375400425450475500525550

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