Invention Grant
- Patent Title: Twin shaft system for gardening systems
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Application No.: US15461995Application Date: 2017-03-17
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Publication No.: US10660253B2Publication Date: 2020-05-26
- Inventor: Kai S. Lee , Esther Lee
- Applicant: Kai S. Lee , Esther Lee
- Agency: Price Heneveld LLP
- Main IPC: A01B33/02
- IPC: A01B33/02 ; A01B33/08

Abstract:
A counter-rotating twin shaft gardening system is provided herein. The gardening system includes a drive shaft operably coupled to first and second shafts for driving the first shaft in the first direction and the second shaft in the second direction. A first ground manipulation device is attached to the first shaft. A second ground manipulation device is attached to the second shaft. The first and second ground manipulation devices including a plurality of teeth and a plurality of long arms. The plurality arms extend further outward from a planar portion than the plurality of teeth. A release system is disposed within the drive shaft to reduce or reverse the rotation of the first and second shafts when debris is disposed between the first and second ground manipulation devices. The release system is formed from a first portion and a second portion of the drive shaft.
Public/Granted literature
- US20170265372A1 TWIN SHAFT SYSTEM FOR GARDENING SYSTEMS Public/Granted day:2017-09-21
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