A cart including a housing and a first foot and a second foot mounted to the housing bottom. Each foot is moveable back and forth from a direction away from one end of the cart towards the other end, and each foot including a recess opening downwardly away from the housing bottom. The cart includes a low pressure source in fluid communication pathway extending from each recess to the low pressure source. Each fluid communication pathway includes a valve operable for opening and closing the fluid communication pathway between the recess and the low pressure source. The cart includes a first motor connected to one foot and another motor connected to the other foot, with each motor operable for moving its respective foot back and forth. The cart includes a control system connected in communication with each motor and each valve, with the control system controlling each motor to move its respective foot back and forth.
Cart for moving along a surface and method for moving a cart along a surface
2019-09-03
Patent
Elektronische Ressource
Englisch
CART FOR MOVING ALONG A SURFACE AND METHOD FOR MOVING A CART ALONG A SURFACE
Europäisches Patentamt | 2019
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