Patent ID: 7806351

Claim:
A stowable device to subject the underside of a vehicle to a pressurized flow of fluid coupleable to a handle portion of the device, comprising: a hollow base member having a first distal end and a second distal end; a fluid jet disposed adjacent said first distal end of said base member and defining an outlet orifice through which said fluid may be forced; a hollow handle member having a first distal end, and having a second distal end rotatably coupled to said second distal end of said hollow base member to define a user-adjustable angle φ therebetween, said hollow handle member defining a length L between said first distal end and said second distal end of said hollow handle member, said hollow base member and said hollow handle member being in fluid communication with each other such that a source of pressurized fluid coupled to said first distal end of said hollow handle member causes said fluid to exit said fluid jet; a spoolable reservoir attached to said hollow handle member; and a cord having a first end attached to said spoolable reservoir, a second end secured to an attachment on said hollow base member, and a total cord length therebetween equal to a first length plus a second length, said first length of said cord residing within said spoolable reservoir and said second length of said cord extending from said spoolable reservoir to said attachment on said hollow base member; said second length of cord defining a user-variable longest side of a triangle whose other sides are a fixed length of said hollow member from said second distal end of said hollow member to location of said spoolable reservoir on said hollow member, and a fixed length of said hollow base member from said second distal end of said hollow base member to attachment of said second end of said cord to said hollow base member; wherein rotation of said spoolable reservoir changes said second length of said triangle to set a maximum value of said angle φ>90° to set height E of said first distal end of said hollow handle member relative to said second distal end of said hollow handle member, where E is proportional to L−sin(φ).