Automated control mechanism for a snow blower discharge chute

Details Automated control mechanism for a snow blower discharge chute Automated control mechanism for a snow blower discharge chute

2007-01-23

2007-01-23

Petravick, Meredith C (Department: 3671)

Excavating

Snow or ice removing or grooming by portable device

Motorized rotary excavating tool

C037S247000

Reexamination Certificate

active

10104210

ABSTRACT:
The automation mechanism has of three rubber discs, two of which are connected to two swiveling brackets. The brackets are directed by two cables and two cable levers, each one connected to each handlebar. The swivelling brackets consist of two rubber discs that make contact to the center disc at the left side of the shroud. This center disc is connected to the rotating snow auger inside the shroud, which is the driving force for this invention. When one of the rubber discs makes contact with the rotating rubber disc at the center, it rotates a drive chain that is connected to a sprocket near the discharge chute. The sprocket rotates a clutch that rotates a worm gear, and in turn, rotates the discharge chute. Once the discharge chute reaches its maximum rotating limit, the clutch disengages by slipping. The operator can move the chute either right or left by pulling on either the left or right lever on the handlebars, while operating the snow blower at the same time. The auger must be engaged in order for the swivelling discharge chute to work.

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patent: 5444927 (1995-08-01), Sosenko
patent: 5735064 (1998-04-01), Holl

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