Title:
VACUUM CLEANER OVERLOAD CLUTCH
Document Type and Number:
WIPO Patent Application WO/2010/138573
Kind Code:
A8
Abstract:
A vacuum cleaner overload clutch having an overload cog, a spring mount, and an overload spring. The spring is engaged with the cog to provide torque transfer, and disengaged from the cog to terminate torque transfer. The spring may not reengage until the parts stop rotating. A weight may be provided to bias the spring into the disengaged position, and the spring may have an engagement portion that is captured between the overload cog and a wall on the spring holder when the clutch is engaged. The clutch may be part of a system including a motor and agitator, and may have other features, such as a graduated engagement clutch.
Inventors:
BESKOW JONAS (SE)
HAEGERMARCK ANDERS (SE)
HAEGERMARCK ANDERS (SE)
Application Number:
PCT/US2010/036181
Publication Date:
June 23, 2011
Filing Date:
May 26, 2010
Export Citation:
Assignee:
ELECTROLUX HOME CARE PROD NA (US)
International Classes:
F16D11/00
Attorney, Agent or Firm:
PHELPS, Michael, P.F. et al. (Intellectual Property Department1900 K Street, N.W. Suite 120, Washington DC, US)
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