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US 7,510,062 B2Granted
Rotary damper
AssigneeIllinois Tool Works Inc.
InventorsCalvin Derr, Chad K. Zeilenga
Life of this patent
Estimating the term…
Abstract
A rotary damper includes a housing and a rotor rotatable in the housing. A clutch is movable toward and away from the housing when said rotor is rotated in first and second directions.
Claims5
A rotary damper comprising:
- a housing having a bottom;
- a rotor having a rotor plate rotatable in said housing in a substantially fixed position axially in said housing, said rotor having a rotational speed;
- and
- an unbiased clutch plate engaged with said rotor for axial movement in said housing, said clutch plate being disposed at first and second distances from said bottom when said rotor is rotated in first and second directions, respectively, said clutch plate further configured to rotate with said rotor in the same direction as said rotor such that said clutch plate rotates at the same rotational speed as said rotor.
1 more element
Dependencies are inferred from the claim text.