Magnetic detection apparatus with sensors mounted on channel or

Details Magnetic detection apparatus with sensors mounted on channel or Magnetic detection apparatus with sensors mounted on channel or

1991-06-04

1992-08-04

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

By magnetic means

174 521, 324156, 324253, 336 65, G01V 3165, G01R 33022, G01R 3304, H01F 1502

Patent

active

051362457

ABSTRACT:
A magnetic detection apparatus (magnetic locator) comprises a housing constituted by a first integral molded plastic unit and a second integral molded plastic unit that are joined. The first unit has a tube with a plate at one end thereof transverse to the length of the tube, the plate having an opening through which a magnetic sensor assembly is inserted into the tube. The second unit has a cover open at one end and having a tubular handle at the opposite end, by which the user may grasp the apparatus. Attachment of the cover to the plate closes the open end of the cover to provide a casing. Magnetic sensors are mounted on a channel or angle structural member that is rigidly attached to the chassis of an electrical unit mounted in the casing. Sound from a loudspeaker mounted on the chassis is transmitted through the handle to the exterior of the apparatus. The chassis also supports a meter that is visible through an opening in an end wall of the cover adjacent to the handle.

REFERENCES:
patent: 2468125 (1949-04-01), Silver
patent: 3281660 (1966-10-01), Studenick
patent: 3643155 (1972-02-01), Riddle et al.
patent: 3894283 (1975-07-01), Schonstedt
patent: 3909704 (1975-09-01), Schonstedt
patent: 3961245 (1976-06-01), Schonstedt
patent: 4110689 (1978-08-01), Schonstedt
patent: 4163877 (1979-08-01), Schonstedt
patent: 4406272 (1983-09-01), Kiess et al.
patent: 4539522 (1985-09-01), Schonstedt
patent: 4623842 (1986-11-01), Bell et al.

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