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C. E-Ming Patents |
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Inventor: E-Ming; C.
Address: Yung Ho City, Taipei Hsien, TW
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 5063316 |
Automatic door protective reversing switch with worm gear |
November 5, 1991 |
| An automatic door protective device for returning an overhead door to the open position when it encounters an obstacle as it is closing. The protective device of this invention includes a motor having an output shaft and a driving gear mounted on the shaft. A driven gear is in mesh w |
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