Removable snowthrower chute

Details Removable snowthrower chute Removable snowthrower chute

1988-07-18

1992-01-28

Burr, Edgar S.

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

37244, 292209, 403330, E01H 509

Patent

active

050833871

ABSTRACT:
The invention is directed toward a removable chute assembly (33) for a snowthrower (10). Chute (33) is connected to housing (12) of snowthrower (10) by using a plurality of locking assemblies (52) and a detent assembly (50). Each locking assembly (52) includes a pivoting member (56) which can engage a flange (38) of chute assembly (33) to hold chute assembly (33) in locked engagement with housing (12). Each pivoting member (56) is held in locked position by a detent member (70) which can be manipulated by an ignition key (13) of snowthrower (10), and each pivoting member (56) can be pivoted away from flange (38) to allow for the chute assembly (33) to be removed from housing (12). Preferably, key (13) engages a switch (15) such that key (13) can only be removed from switch (15) when the snowthrower is turned off. Therefore, chute assembly (33) can only be removed when the snowthrower is not operating.

REFERENCES:
patent: 2536166 (1951-01-01), Garland
patent: 2587415 (1952-02-01), Vanvick
patent: 4104812 (1978-08-01), Stribiak, Jr.
patent: 4184274 (1980-01-01), Vohl
patent: 4312143 (1982-01-01), Kado
patent: 4422794 (1983-12-01), Deken
patent: 4441345 (1984-04-01), Guarr
patent: 4577837 (1986-03-01), Berg et al.
patent: 4683731 (1987-08-01), Wickman et al.
patent: 4752150 (1988-06-01), Salice
"Steel Snow Thrower", p. 826, Sears 1980 Spring-Summer Catalog.
"18 HP Garden Tractor with 6-Speed Transaxle Drive", pp. 822-823, Sears 1980 Spring-Summer Catalog.

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