Method and device for checking symmetry

Details Method and device for checking symmetry Method and device for checking symmetry

1995-04-06

1997-06-10

Fulton, Christopher W.

Geometrical instruments

Straight-line light ray type

Alignment device

33608, G01B 1103, G01B 5004

Patent

active

056364458

ABSTRACT:
A method for the measuring of symmetry when in particular repairing cars including the use of a measurement bar comprising in each end a laser head that can be swiveled around the length axis of the bar. The laser heads can emit light beams perpendicular to the length axis of the bar. The bar is on a straightening bench (on which the car is mounted) mounted perpendicular to the length axis of the car. When the laser heads are swiveled their beams construct parallel planes on each side of the car from which measures can be taken to the sides of the car in order to establish if symmetry exist or how great the necessary correction has to be.

REFERENCES:
patent: 4330945 (1982-05-01), Eck
patent: 4490918 (1985-01-01), Clausen
patent: 4513508 (1985-04-01), Jarman et al.
patent: 4578870 (1986-04-01), Cooke
patent: 4598481 (1986-07-01), Donahue
patent: 4630379 (1986-12-01), Wickmann et al.
patent: 4691443 (1987-09-01), Hamilton et al.
patent: 5029397 (1991-07-01), Palombi
patent: 5207002 (1993-05-01), Humblet
Car-O-Liner M234 HMP, Car-O-Liner High Measuring Point Accessory, Technical Specification: Art. No. 1331210000; company brochure Date Unknown.
9000 DriveOn Dataliner; company brochure Date Unknown.
3000 DriveOn Dataliner; company brochure Date Unknown.
Car-O-Liner Benchrack "Le Systeme de Controle et de Redressage tous Vehicules VL-4.times.4 et Utilitaires Legers" company brochure Date Unknown.
Uno Liner; "The Measuring System"; A Fully Equipped Uno Liner; company brochure Date Unknown.
"Wedge Clamp System" pp. 4, 7, 13, 16, and 18; brochure Date Unknown.
XP Measuring system by Duz-Mor;"Precision Measuring" Duz-Mor, Inc. company brochure Date Unknown.
"Ultra-Spec 2000" Kar Grabber; Grabber Manufacturing Co., Inc. company brochure Date Unknown.

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