| CPC F16L 37/244 (2013.01) [A47L 9/242 (2013.01); A47L 9/248 (2013.01)] | 20 Claims |

|
1. A vacuum tool connection assembly for connection to a commercial vehicle vacuum system comprising:
an upper vacuum hose having a first end and a second end;
a lower vacuum hose having a first end and a second end;
an upper assembly comprising:
a main vacuum line engagement connector that engages an outlet end of a main vacuum system hose line of an overall vacuum system;
a swivel connector having a plurality of retaining projections on a first end that each extend away from a perimeter rim of the swivel connector and engage a plurality of projections on a surface of the main vacuum line engagement connector and where the overall vacuum system provides a vacuum within the vacuum hose line;
an upper assembly swivel cuff engaged to the swivel connector; and
an upper assembly locking ring engaged with the upper assembly swivel cuff and the upper vacuum hose at the first end of the upper vacuum hose; and
a lower assembly comprising:
a tool connector;
a lower assembly swivel cuff engaged with the tool connector; and
a lower assembly locking ring engaged with the second end of the lower vacuum hose and the lower assembly swivel cuff; and
a coupling assembly comprising:
an upper coupling assembly locking ring and a lower coupling assembly locking ring attached to the second end of the upper vacuum hose and the first end of the lower vacuum hose, respectively;
first and second swivel cuffs attached to the upper coupling assembly locking ring and the lower coupling assembly locking ring;
a coupling swivel rotatably coupled to the first and second swivel cuffs and wherein the lower assembly swivel cuff is chosen from the group consisting of (1) a male connection received in a female connection end of the lower assembly locking ring; and (2) a female connector that receives a vacuum tool into engagement therewith.
|