Patent ID: 8857314

Claim:
An air pump for producing high pressure comprising: a pump handle; a body; and a mooring pin; said pump handle comprising an air inlet slot; said pump handle further comprising an air filter for the filter of dust and humidity and a reservoir for putting tools; said body comprising a biggest volume first chamber positioned between a movable external pipe and a piston rod; said body further comprising a second chamber positioned between the movable external pipe at a smaller volume and a second standpipe; said body further comprising a third chamber positioned between an inner side portion of a first standpipe and the piston rod; said body further comprising a fourth chamber at the smallest volume positioned at the end of the piston rod and first standpipe; wherein said first chamber is filled with air by means of passing through the air inlet slot in the pump handle by means of pulling the pump handle upwards; wherein the air passes through the first chamber by means of air direction valves opening and closing by means of compressing the air by pushing the pump handle; wherein the air in the second and the third chambers passes lastly before a tube by means of a valve with a movable o-ring member at the piston rod being opened and the air direction valves being closed by means of the pressure occurring as a result of pulling the pump handle upwards again; and wherein the air in the fourth chamber is provided to pass to the tube by means of preventing the air to pass to the second and the third chambers by the valve with o-ring member being dosed when the pump handle is pulled again.