Metal working – Method of mechanical manufacture – Repairing
Reexamination Certificate
2005-05-24
2005-05-24
Omgba, Essama (Department: 3726)
Metal working
Method of mechanical manufacture
Repairing
C029S402030, C029S426500, C029S252000, C254S423000, C254S0930HP, C254S08900R, C254S0930VA
Reexamination Certificate
active
06895648
ABSTRACT:
A permanently mounted pneumatic jack (jacklift) system for motor vehicles, as well as an impact wrench for removing and installing lug nuts. The system provides a quick and safe means of lifting one or more tires off the ground for replacement of a spare or rotating the tires on a motor vehicle. The present invention comprises two or more (typically four) pneumatic jacks, a system ON/OFF switch, an air compressor, a 120-psi air tank, air lines (hoses), individual jack extend/retract switches, jack position-locking pins, safety-locking pins, and impact wrench. Each jack can be locked in a horizontal stowaway or vertical operational position. The jack is cylindrical shaped with a telescopic body that can be extended or retracted as needed to raise and lower the vehicle. A solid cylindrical lift rod slides inside a cylindrical outer housing with a high-pressure seal means used to maintain pressure on the support rod. A ground support foot (plate) is mounted on the lower end of the solid cylindrical lift rod to provide sufficient traction with the ground to support the lifting process. A quick release air coupler is included on the pneumatic chamber to support the use of an air hose and impact wrench. An extend/retract toggle switch is included on each jack to control a solenoid valve to allow the air to flow into the jack. A quick release safety-locking pin is used to mechanically pin the solid cylindrical lift rod to the outer housing once the desired height is achieved to assure that the vehicle does not fall down in the event of a high-pressure air loss, thereby providing safety to the person(s) working around the vehicle. An air compressor located in the engine compartment of the vehicle is mechanically belt-driven off the engine. A high-pressure air line carries the air to a high-pressure (at least 120-psi) air tank located in the trunk or other suitable storage area on the vehicle. Separate air lines extend from the air tank to the individual jacks.
REFERENCES:
patent: 1153223 (1915-09-01), Hendrickson
patent: 1279500 (1918-09-01), Berry
patent: 2103117 (1937-12-01), Pearlman
patent: 2126972 (1938-08-01), Peters et al.
patent: 2168906 (1939-08-01), Leary
patent: 2237167 (1941-04-01), Skavinsky
patent: 2451407 (1948-10-01), Paolucci
patent: 2451408 (1948-10-01), Paolucei
patent: 2490668 (1949-12-01), Burgett
patent: 2570334 (1951-10-01), Erjavec
patent: 2646250 (1953-07-01), Fuster
patent: 2672317 (1954-03-01), Barenyi
patent: 2716040 (1955-08-01), Barenyi
patent: 2837312 (1958-06-01), Troche
patent: 3024870 (1962-03-01), Kramcsak, Jr. et al.
patent: 3033523 (1962-05-01), Mulholland et al.
patent: 3064994 (1962-11-01), Limmer
patent: 3166298 (1965-01-01), Di Stefano
patent: 3288436 (1966-11-01), Silva
patent: 3352461 (1967-11-01), Dascanio
patent: 3606248 (1971-09-01), Goldfarb
patent: 3614064 (1971-10-01), Bennett
patent: 4014519 (1977-03-01), Leigh
patent: 4150813 (1979-04-01), Mena
patent: 4605086 (1986-08-01), Marom
patent: 4993688 (1991-02-01), Mueller et al.
patent: 5143386 (1992-09-01), Uriarte
patent: 5217209 (1993-06-01), Anders
patent: 5219429 (1993-06-01), Shelton
patent: 5224688 (1993-07-01), Torres et al.
patent: 5232206 (1993-08-01), Hunt et al.
patent: 5377957 (1995-01-01), Mosley
patent: 5465940 (1995-11-01), Guzman et al.
patent: 5636830 (1997-06-01), Chartrand
patent: 5713560 (1998-02-01), Guarino
patent: 5722641 (1998-03-01), Martin et al.
patent: 5765810 (1998-06-01), Mattera
patent: 5876526 (1999-03-01), Hamade et al.
patent: 5931500 (1999-08-01), Dagnese
patent: 6079742 (2000-06-01), Spence
patent: 6224040 (2001-05-01), Mejias et al.
patent: 6237953 (2001-05-01), Farmer
patent: 6302381 (2001-10-01), Roll
patent: 6404073 (2002-06-01), Chiang
patent: 6439545 (2002-08-01), Hansen
patent: 6527254 (2003-03-01), Prevete
patent: 6832402 (2004-12-01), Drago et al.
patent: 20020008231 (2002-01-01), Glovatsky et al.
patent: 20020100901 (2002-08-01), Topelberg et al.
patent: 20040155231 (2004-08-01), Tsatsis
patent: 644802 (1984-08-01), None
patent: 3301923 (1984-07-01), None
patent: 2244471 (1991-12-01), None
patent: 22565177 (1992-12-01), None
patent: 58183338 (1983-10-01), None
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