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Hendrik v Engelenburg Patents |
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Inventor: v Engelenburg; Hendrik
Address: Driebergen, NL
No. of patents: 2
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4566744 |
Current collector for rotating shaft |
January 28, 1986 |
| A current collector having a housing which has a rotatably supported electrical contact shaft having a projecting end that is engageable with a rotating drive shaft, the housing including a mercury contact formed by a space containing mercury, one end of the contact shaft being moveable |
| 4386811 |
Ball bearing |
June 7, 1983 |
| A ball bearing having inner and outer race rings, a plurality of balls in the annular space between the race rings and a cage for circumferentially spacing the balls and spaced from the outer ring by a small radial clearance, the cage being formed by an annular member having a plurality |
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