Electricity: measuring and testing – Of geophysical surface or subsurface in situ – For small object detection or location
Patent
1987-02-11
1989-01-10
Strecker, Gerard R.
Electricity: measuring and testing
Of geophysical surface or subsurface in situ
For small object detection or location
280 4713R, G01V 311, G01V 3165, B62B 100
Patent
active
047976187
ABSTRACT:
A caddy for a metal detector comprising a completely non-metallic carrier for a portable metal detector of the type having a planar searchcoil head, an elongated rod or stem extending from the searchcoil head at one end to a handle at the opposite end, with an electronic power supply and controls at the handle end connected by a cable to the detector coils mounted in the searchcoil head. Such metal detectors are normally carried by hand. The present invention provides a caddy or cart having a pair of non-metallic wheels on a non-metallic axle supporting an elongated non-metallic connecting bar for connecting to the elongated rod or stem of the metal detector by a pair of adjustable non-metallic brackets at a desired point thereon which positions the searchcoil head of the metal detector a pre-selected distance above the ground when the handle end is grasped by a user and held at the angle which positions the planar searchcoil head substantially parallel to the ground. The wheels include marking means such as ribs to make a line marking on the ground to indicate what area has been covered. Means are provided to adjust the distance the wheels are spaced apart for use with different size searchcoil heads, the wheels being in line with the outermost opposite side edges respectively of the searchcoil head which is positioned ahead of the wheels.
REFERENCES:
patent: 2974276 (1961-03-01), Davis
patent: 3733086 (1973-05-01), Walkerow
patent: 4263553 (1981-04-01), Cook et al.
patent: 4358123 (1982-11-01), Richards
patent: 4442659 (1984-04-01), Enbusk
patent: 4584530 (1986-04-01), Nicholson
Doll et al, Vehicular-Mounted Mine Detector Electronics Jan. 1946, pp. 105-109.
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