Provided herein is an innovative human powered pumping device comprising a piston and cylinder pumping mechanism that is hinged off a base. In use, the piston is driven in and out of the cylinder by a handle which is pushed and pulled by the operator. The base is resting on the ground and the cylinder is hinged off the base such that the pumping mechanism can rotate with respect to the base during the pumping motion.

 
Web www.patentalert.com

< Lighting device

> Liquid vinyl injection molding method and apparatus

> Low attention recording with particular application to social recording

~ 00512