If you find a patent number or patent date by this manufacturer that is not on this
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Key to Links for Patent Information
USPTO = U.S. Patent Office .
Images of the actual patent can be viewed on the U.S. Patent Office web site but
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DATAMP = Directory of American Tool And
Machinery Patents . A sister site to VintageMachinery.org with information
on patents related to machinery and tools. A much easier user interface than the
USPTO's for finding information on machinery patents.
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2,465,594
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Mar. 29, 1949
|
Steam Winch
|
Harry Knutson |
St. Paul, Ramsey County, MN |
Claim:
In material handling apparatus including a drum to be rotated, spaced apart members one of which is constituted as a side housing at right angular relation to said drum, a drum shaft rotatably mounted upon and between said spaced apart members rigidly supporting said drum, a gear upon said drum shaft and in said side housing, a shaft rotatably mounted upon and between said spaced apart members, a pinion upon said shaft and in said side housing in mesh with said gear, casings supported by and up against said spaced apart members at the outer sides of and in parallel relation to the spaced apart members, sna cod apart rotatable clements fixed upon said shaft at the outer sides of said spaced apart members and situated in said casings, respectively, and steam engine mechanisms in said casings for driving said rotatable elements. |