Electric fencer utilizing a sealed plastic housing

Details Electric fencer utilizing a sealed plastic housing Electric fencer utilizing a sealed plastic housing

1984-01-23

1985-12-24

Askin, Laramie E.

Electricity: conductors and insulators

Boxes and housings

Hermetic sealed envelope type

174 65R, 220DIG31, 256 10, H05K 506

Patent

active

045608270

ABSTRACT:
The electric fencer includes two plastic components having an interfitting groove and rib, as well as integral pins on one component which are pressed into recesses in the other component. The two components are sonically welded together to form a completely sealed housing. Additionally, a grommet resists the entrance of moisture along the power cord, as well as firmly gripping the power cord. The grommet is composed of a U-shaped groove on one component and a tongue on the other component, the tongue pressing against the power cord's insulation so that some of the insulation is forced into the U-shaped groove. The top of the housing overhangs the front panel so as to shield the light coming from a small neon light so that the light can be more readily seen in direct sunlight, the side walls inclining forwardly so that their upper portions assist in the shielding action.

REFERENCES:
patent: 3204481 (1965-09-01), Golden
patent: 3519731 (1970-07-01), Grunbaum
patent: 3680203 (1972-08-01), Braiman et al.
patent: 3809798 (1974-05-01), Simon
E. Obeda, "How to Get Good Ultrasonic Welds", 10/64, pp. 2-4.

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