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Charles L. Wadsworth Patents |
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Inventor: Wadsworth; Charles L.
Address: Escanaba, MI
No. of patents: 1
Patents:
| Patent Number |
Title Of Patent |
Date Issued |
| 4529094 |
Articulation for tower crane boom that has a parking position |
July 16, 1985 |
| The inner end of a tower crane boom is connected to the top of its tower by two lugs fixed on the tower, each having an upwardly opening slot, and two trunnions fixed on the inner end portion of the boom, one for each lug, each rotatably seatable in the rounded bottom of the slot in its |
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