초록 ▼

An air compressor includes a one-piece injection molded main frame including a vertical portion formed with two horizontal holes, an upper opening between the two horizontal holes and a lower circular opening below the upper circular opening, two screws extending through the two horizontal holes to

An air compressor includes a one-piece injection molded main frame including a vertical portion formed with two horizontal holes, an upper opening between the two horizontal holes and a lower circular opening below the upper circular opening, two screws extending through the two horizontal holes to fixedly mount an electric motor on the vertical portion of said main frame, a shaft rotatably fitted in a lower circular opening and kept in place by a retainer ring, a driven gear fixedly mounted on the shaft and meshed with the driving gear, a flywheel formed with an eccentric projection fixedly mounted on the shaft and located adjacent to the driven gear, an upper part of the vertical portion being formed with a cylinder in which is fitted a piston, a first and second outlet pipes formed on the top of the cylinder, and a cover engageable with a center hole of the cap and the nozzle, whereby the piston can move smoothly within the cylinder and the two outlet pipes can be adapted for use with different nozzles.

대표청구항 ▼

[ I claim:] [1.] An air compressor comprising: a one-piece injection molded main frame including a vertical portion formed with two horizontal holes, an upper opening between said two horizontal holes and a lower circular opening below said upper circular opening, two screws extending through said t

[ I claim:] [1.] An air compressor comprising: a one-piece injection molded main frame including a vertical portion formed with two horizontal holes, an upper opening between said two horizontal holes and a lower circular opening below said upper circular opening, two screws extending through said two horizontal holes to fixedly mount an electric motor on said vertical portion of said main frame, said electric motor having an output axle extending through said circular opening of said vertical portion to engage with a driving gear, a shaft rotatably fitted in a lower circular opening and kept in place by a retainer ring, a bushing fitted in said lower circular opening, a driven gear fixedly mounted on said shaft and meshed with said driving gear, a flywheel formed with an eccentric projection fixedly mounted on said shaft and located adjacent to said driven gear, an upper part of said vertical portion being formed with a cylinder in which is fitted a piston, said cylinder having a center line parallel to said vertical portion, said piston being provided with a piston rod extending downwardly out of said cylinder to engage with said eccentric projection, a first and second outlet pipes formed on the top of said cylinder, said first outlet pipe being provided with a connector for connecting with an end of a flexible pipe, another end of said flexible pipe being provided with a nozzle, said second outlet pipe having an upper end formed with external threads engaged with a cap, said cap being formed with a center hole, said second outlet pipe having a neck portion under said external threads, and a cover engageable with said center hole of said cap and said nozzle, a lower end of said second outlet pipe being formed with an orifice in communication with an upper end of said cylinder, a plug arranged on said orifice, a spring mounted within said second outlet pipe and having a lower end bearing against said plug, a sleeve having an upwardly extending projection fitted within said second outlet pipe, a lower end of said sleeve bearing against another end of said spring, and a rubber packing arranged between said sleeve and said cap.