Patent ID: 9290057
Filing Date: 2016-03-22
CPC Classification: B29D,B60C,Y10T

Claim Text:
1. In a vehicle tire, a selectively actuated stud deployment system comprising a plurality of cells in a tread portion of said vehicle tire, each of said cells comprising a set of studs, each stud in said set of studs being mounted for rotation about a pin from a retracted position substantially parallel to an outer radial surface of the tread portion to a deployed position substantially perpendicular to said outer radial surface and extending radially beyond said outer radial surface, and an actuating member interacting with each of said studs in said set to selectively cause said set of studs to rotate from said retracted position to said radially deployed position, wherein each said actuating member is disposed entirely within the respective cell of said tread portion and said actuating member is actuated by air pressure.