Abstract: A two piston hydraulic fluid separated internal combustion cylinder system utilizing a cylinder having fuel inlet ports, ignition means, a viewing window, a filling plug; a first piston, hydraulic fluid cushion and a smaller piston which may be connected to a crankshaft.

Abstract: An auxiliary brake system for a motor vehicle including a plurality of suction cups mounted on the chassis of the vehicle which are lowered into contact with a roadway during skids on icy or wet pavement.

Abstract: A reinforcing hole punch device for punching a hole in a sheet of material and applying an annularly shaped reinforcing element to the sheet includes a base having a channel therethrough and a large opening therein, wherein the channel communicates with the opening. A strip of paper has reinforcing elements disposed thereon. A sheet of material to be punched is insertable into the opening. The top of the base has a plurality of apertures therein, wherein each aperture receives a punch element therein. A mechanism is provided for advancing the tape each time the punch element is depressed.