Ground wire attachment for a motor end-shield

Details Ground wire attachment for a motor end-shield Ground wire attachment for a motor end-shield

1994-03-31

1997-01-21

Dougherty, Thomas M.

Electrical generator or motor structure

Dynamoelectric

Rotary

H02K 1100

Patent

active

055962378

ABSTRACT:
An integral ground lug assembly for a dynamoelectric machine in the form of a motor is provided which permits quick attaching for a ground wire. The assembly includes a lug integrally formed with an end-shield of the motor. The lug extends radially from the end-shield and has both an axially extending bore and a radially extending bore which intersect one another. In addition, the lug may incorporate a transverse bore intersecting the axial bore. A clip is received in the axially extending bore and interacts with the bore to prevent movement of the clip relative to the bore. This maintains the clip in place during shipment and thereafter. A fastener extends through the radial bore to press the clip legs together to pinch or hold the ground wire in place. The clip operation within the lug may be varied so that ground wire attachment may be made from a number of directions, depending, for example, on the applicational use of the matter.

REFERENCES:
patent: 3502917 (1970-03-01), Bizoe
patent: 3787795 (1974-01-01), Thompson et al.
patent: 4015890 (1977-04-01), Glaesel
patent: 4629281 (1986-12-01), Kruger
patent: 5235230 (1993-08-01), Yuhi et al.

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