Sunshade assembly having a clutch unit
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United States of America Patent
Stats
-
Nov 20, 2012
Grant Date -
Nov 10, 2011
app pub date -
May 4, 2011
filing date -
May 6, 2010
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sunshade assembly includes a housing having a top opening, a winding shaft mounted rotatably in the housing, a sunshade cloth wound around the winding shaft, a pull rod disposed outside the top opening, a frame body disposed below the housing, a gear rack mounted to the frame body and having a top end connected to the pull rod, and a clutch unit meshing with the gear rack and including a pusher that is operable to place the clutch unit in a non-clutching position, where the gear rack is freely movable to permit the sunshade cloth to be wound by the winding shaft, or a clutching position, where the clutch unit applies a retarding force to retard a movement of the gear rack, which prevents the winding shaft from winding the sunshade cloth but permits the pull rod to pull and stop the sunshade cloth at a desired position.
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