Discharge chute assembly for snowthrower

Details Discharge chute assembly for snowthrower Discharge chute assembly for snowthrower

1992-12-11

1994-05-31

Reese, Randolph A.

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

16125, 16DIG19, E01H 508

Patent

active

053157710

ABSTRACT:
A discharge chute assembly (30) includes a chute (32) and a pivotal deflector (34), the overlapping end portions of which define a partial spherical or bail joint (40) which maintains a tight seal against backflow and leakage over the entire range of rotation and deflection of the assembly. The assembly (30) is preferably secured to a rotatable base (54) by means of lower pivots (70) and a releasable fastener (72) for collapsibility.

REFERENCES:
patent: D205531 (1966-08-01), Ertsgaard et al.
patent: D251786 (1979-05-01), Wildgen
patent: 2321141 (1943-06-01), Hennessy
patent: 2345371 (1944-03-01), Amrine
patent: 3052048 (1962-09-01), Fiske
patent: 3078603 (1963-02-01), Ertsgaard et al.
patent: 3239954 (1966-03-01), Brier
patent: 3264674 (1966-08-01), Arps et al.
patent: 4011668 (1977-03-01), Gunderson
patent: 4150501 (1979-04-01), Hayashi
patent: 4176423 (1979-12-01), Wigemark
patent: 5177888 (1993-01-01), Thorad et al.

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