Invention Grant
- Patent Title: Controlled-release spreader
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Application No.: US15963669Application Date: 2018-04-26
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Publication No.: US10736263B2Publication Date: 2020-08-11
- Inventor: Ed Horeth , David Dubiel , William James Campbell
- Applicant: Chapin Manufacturing, Inc.
- Applicant Address: US NY Batavia
- Assignee: Chapin Manufacturing, Inc.
- Current Assignee: Chapin Manufacturing, Inc.
- Current Assignee Address: US NY Batavia
- Agency: Wood Oviatt Gilman LLP
- Agent Katherine H. McGuire, Esq.
- Main IPC: A01C17/00
- IPC: A01C17/00 ; E01H10/00 ; A01C15/02 ; E01C19/20

Abstract:
A spreader includes a frame having wheels mounted on an axle. A gear assembly on the axle is coupled with a shaft. A hopper is mounted on the frame and holds particulate that empties through an opening within the bottom wall. An impeller is mounted on the shaft and receives the particulate emptied from the hopper. A controlled-release assembly is mounted about the shaft and includes a drive housing secured to the hopper. The drive housing has a funnel opening to dispense the particulate therethrough. A transfer wheel within the drive housing is rotatably coupled to the shaft. When the shaft is rotating, the transfer wheel rotates whereby the particulate is delivered to the funnel. When the shaft is stationary, the transfer wheel is stationary whereby particulate is not delivered to the funnel.
Public/Granted literature
- US20190327884A1 CONTROLLED-RELEASE SPREADER Public/Granted day:2019-10-31
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