Presses – Automatic or material triggered control – Of actuating means
Patent
1990-05-29
1991-10-29
Coe, Philip R.
Presses
Automatic or material triggered control
Of actuating means
100 53, 100116, 100131, 100227, 100245, 100269B, 100902, B30B 1516, B30B 902, B30B 132
Patent
active
050605640
ABSTRACT:
A press, in an automotive service facility to extract oil from a used automotive oil filter, mounted by brackets on a waste disposal band over an opening in the top of the barrel. An access door to the press having a cam acting on a press control knob to prevent operation of the press when the door is open. A hydraulic cylinder in the press and a plate under the cylinder and oil filters being deposited on the plate and being pressed to extract oil by the hydraulic cylinder lifting the plate against the bottom of the cylinder. The press being powered by low pressure air in the service facility which is converted to high pressure hydraulic pressure by a multiple stroke pumping system that includes a larger diameter air piston, in an air cylinder, attached to a smaller diameter hydraulic piston. An on-off control shaft manually shifted by manual operation of the press control knob. A first surface connected to the control shaft subjected to air pressure and a second smaller surface connected to the control shaft subjected to hydraulic pressure to bring the control shaft to "off" position when a predetermined maximum hydraulic pressure in the hydraulic cylinder is reached. Pumping action controls including an air valve shaft connected to the air piston and an air valve responsive to movement of the air valve shaft alternately to apply pressure to the air piston in a pressure stroke and to relieve pressure from the air piston in an intake stroke when a new supply of hydraulic fluid is intaked.
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Buford Charles G.
Dawson Thomas J.
Bowen Duane C.
Coe Philip R.
Gerrity Stephen F.
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