Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
November 17, 2009
Patent Application Number
11225594
Date Filed
September 13, 2005
Patent Primary Examiner
Patent abstract
A telescoping fastener includes a debris clearance and drain port in a housing of the fastener, and a plunger operable in the housing to move contaminants toward the port for removal. A force concentrating tip breaks up snow, ice or accumulated debris. Relief channels in the plunger facilitate movement of contaminants around the plunger and movement of the plunger through contaminants within the housing.
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