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US 4,044,533 AGranted
Lawn mower blade clutch and brake
AssigneeOutboard Marine Corporation
InventorGerald H. Wick
Life of this patent
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AssigneeOutboard Marine Corporation
InventorGerald H. Wick
Estimating the term…
Disclosed herein is a lawn mower comprising a blade housing supported for travel over the ground, a drive shaft mounted for rotation by the blade housing and including thereon a clutch drum, an engine drivingly connected to the drive shaft for rotation thereof, a cutter blade located in the blade housing and mounted for rotation coaxially with and relative to the drive shaft, a clutch shoe connected to the cutter blade for common rotation therewith and for movement relative to a position of engagement with the clutch drum, a spring urging the clutch shoe into the position of engagement, a brake surface fixed to the clutch shoe, and a brake member movable between a first position wherein the brake member is spaced from the brake surface, and a second position wherein the brake member engages the brake surface to brake rotation of the cutter blade and to displace the clutch shoe from the position of engagement against the action of the spring.
A lawn mower comprising a blade housing supported for travel over the ground, a drive shaft mounted for rotation by said blade housing and including thereon a clutch drum, an engine drivingly connected to said drive shaft for rotation thereof, a cutter blade located in said blade housing and mounted for rotation coaxially with and relative to said drive shaft, a clutch shoe connected to said cutter blade for common rotation therewith and for movement relative to a position of engagement with said clutch drum, biasing means urging said clutch shoe into said position of engagement, a brake surface fixed to said clutch shoe, and a brake member movable between a first position wherein said brake member is spaced from said brake surface, and a second position wherein said brake member engages said brake surface to brake rotation of said cutter blade and to displace said clutch shoe from said position of engagement against the action of said biasing means.
A combined brake and clutch mechanism comprising a drive member mounted for rotation and including thereon a clutch drum, a driven member carried for rotation coaxially with and relative to said drive member, a clutch shoe connected to said driven member for common rotation therewith and for movement relative to a position of engagement with said clutch drum, biasing means for urging said clutch shoe toward said position of engagement, a brake surface fixed to said clutch shoe, and a brake member movable between a first position wherein said brake member is spaced from said brake surface, and a second position wherein said brake member engages brake surface to brake rotation of said driven member and to displace said clutch shoe from said position of engagement against the action of said biasing means.
Dependencies are inferred from the claim text.