Air compressor accessory driven by portable electric drill

Details Air compressor accessory driven by portable electric drill Air compressor accessory driven by portable electric drill

1985-11-08

1987-12-15

Croyle, Carlton R.

Pumps

Ambulant, body supported, or with carrying handle

417411, 417415, 74665C, 74417, F04B 3500, F16H 3708

Patent

active

047129832

ABSTRACT:
A pneumatic pump has provision for being driven by a conventional electric hand drill and chuck that are un-modified so that they can be detached by loosening the chuck jaws and used for other purposes. The provision includes first and second input shafts protruding at right angles to each other and connected by a bevel gear on each. In addition to improving drive access, to provide a choice of drive ratios, the bevel gears have different diameters. The rotary output of the shaft and bevel gear arrangement drives a reciprocating piston in a cylinder that, in association with check valves and a hose connection, can inflate a pneumatic tire, at a speed and to a pressure, determined by which drive ratio is chosen. The drill can be freely swiveled about either input shaft to which attached. A gauge indicates cylinder pressure. A frame permits the assembly of drive and pump to be used to pressurize a tank for storage of compressed air.

REFERENCES:
patent: 1381686 (1921-06-01), Whigelt
patent: 2010366 (1935-08-01), Kearns
patent: 2244683 (1941-06-01), Fisher
patent: 2262706 (1941-11-01), Benda
patent: 2348266 (1944-05-01), Selby
patent: 2423243 (1947-07-01), Lovely
patent: 2517910 (1950-08-01), Miller
patent: 2681578 (1954-06-01), Shields
patent: 2694953 (1954-04-01), Williams
patent: 2759665 (1956-08-01), Wilber
patent: 2907242 (1959-06-01), Chakroff
patent: 2936107 (1960-05-01), Blackburn
patent: 3724561 (1973-04-01), Merrels
patent: 4566370 (1986-05-01), Hanafi
patent: 4580460 (1986-04-01), Chang et al.
Power Air Pump, General Hardware Mfg. Co., 1986.

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