Garden refuse shredding apparatus
First Claim
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1. Garden refuse shredding apparatus including:
- a housing defining a chamber having a refuse inlet for receiving refuse therethrough and a discharge outlet through which shredded material may be discharged;
a feed hopper in communication with said refuse inlet for directing refuse through said refuse inlet into said chamber;
a rotor mounted in said chamber to a vertical drive shaft or hub extending through a wall of said housing, said rotor including a mounting plate connected to and adapted to rotate with said drive shaft or hub about its axis, and one or more chipper blades integral with or mounted to said mounting plate for rotation therewith; and
an internal combustion engine having an output shaft co-axial with and solidly connected to said drive shaft or hub for causing said rotor to rotate, said drive shaft or hub being supported in a bearing which is mounted to said wall through which said drive shaft or hub extends and said bearing is adapted to transfer axial working loads from said drive shaft or hub to said housing.
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Abstract
This invention provides garden refuse shredding apparatus (10) which has a chipping rotor (20) supported for rotation about a vertical shaft (31) in a chamber (11) which has a hopper (14) which feeds refuse to radially disposed elongate chipper blades (30) which span a major part of the rotor (28). Fan blades (44) are supported on the rotor for creating an airflow through the hopper (14) to assist feed to the chipping rotor and to assist discharge of shredded refuse from the outlet (45). The chipping rotor (20) is driven directly from the vertical output shaft (36) of an electric motor or a petrol engine (21).
23 Citations
13 Claims
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1. Garden refuse shredding apparatus including:
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a housing defining a chamber having a refuse inlet for receiving refuse therethrough and a discharge outlet through which shredded material may be discharged; a feed hopper in communication with said refuse inlet for directing refuse through said refuse inlet into said chamber; a rotor mounted in said chamber to a vertical drive shaft or hub extending through a wall of said housing, said rotor including a mounting plate connected to and adapted to rotate with said drive shaft or hub about its axis, and one or more chipper blades integral with or mounted to said mounting plate for rotation therewith; and an internal combustion engine having an output shaft co-axial with and solidly connected to said drive shaft or hub for causing said rotor to rotate, said drive shaft or hub being supported in a bearing which is mounted to said wall through which said drive shaft or hub extends and said bearing is adapted to transfer axial working loads from said drive shaft or hub to said housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification