Floyd D Niskanen

age ~82

from Mesa, AZ

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Also known as:

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Granular Fertilizer Spreader
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US Patent:

54859638, Jan 23, 1996
Filed:

May 11, 1994
Appl. No.:

8/241261
Inventors:

Joseph J. Walto - Carver MN
Nathan J. Friberg - Bloomington MN
Floyd D. Niskanen - Golden Valley MN
Assignee:

The Toro Company - Bloomington MN
International Classification:

A01C 1500
US Classification:

239663
Abstract:

A granular fertilizer spreader which may be attached to a lawn mower (1). The spreader includes a hopper (44) which is secured to the mower handle (3), the spreader including drive wheels (9,10) which frictionally engage the rear mower wheels (7,8). An impeller (99) is rotated by the drive wheels (9,10), thereby urging fertilizer or other granular material contained within hopper (44) to exit through a series of orifices (73-84) located along the bottom surface (54) of the hopper (44). A discharge chute (134) entrains the fertilizer as it exits the orifices (73-84) and guides the fertilizer along a series of open channels (138-149), each channel terminating with an outlet orifice (152-163 ) through which the fertilizer is ultimately deposited upon the ground behind the mower deck (2). The drive wheels (9,10) are urged into positive frictional contact with the mower wheels (7,8) by a spring (187) that is secured to the mower handle (3) at a user selected point by a clamp (196).

Single Stage Snowthrower Impeller
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US Patent:

53984315, Mar 21, 1995
Filed:

Feb 2, 1990
Appl. No.:

7/474432
Inventors:

Randall A. Beihoffer - Bloomington MN
Floyd D. Niskanen - Golden Valley MN
Assignee:

The Toro Company - Minneapolis MN
International Classification:

E01H 509
US Classification:

37249
Abstract:

A snowthrower (20) including an improved impeller (50) which has an "open center" configuration and which is substantially made from a single piece of plastic. Impeller (50) includes a pair of curved blades (60) which are supported, braced and stiffened by a plurality of "spiders" (62, 64, 66, 68, 72, 74, 76 and 78) which form recesses for receiving a shaft (42) which spans between the side walls (36) of the snowthrower housing (22). Curved blades (60) of impeller (50) extend transversely between a pair of somewhat circular plates (52, 54). Plates (52, 54) preferably include teeth (54b, 54c, 52b, 52c) which help to break up snow and ice and assist in propelling snowthrower (20).

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