Patent ID: 9227616
Filing Date: 2016-01-05
CPC Classification: B60T

Claim Text:
1. A blocking device for attaching to an entry aperture structure of a spring brake cylinder of a vehicle, the blocking device comprising: a blocking fastener having a head and a shaft extending from the head, the head having a plurality of cylindrical recesses that extend generally parallel to the shaft, wherein at least a portion of the shaft is threaded; a fastener receiver having an insertion portion and a base extending generally transversely to the insertion portion, wherein the insertion portion has an interior surface that is threaded and is configured to receive the shaft of the blocking fastener, and the base has a first tier that extends generally radially from the insertion portion and has a diameter that corresponds to the diameter of the entry aperture structure such that the base engages the entry aperture structure radially; and a fastener receiving component disposed on the shaft.