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US 2017/0073927 A1Published application
Portable trenching device
OwnerPeter Blundell, Mike Smithinventors
Life of this patent
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Abstract
A trenching device rotating a trenching chain through a substrate to form a trench. The trenching device including a power unit, a drive unit including a belt drive system, and a trenching unit including a trenching chain and configured to rotate the trenching chain about a trenching bar.
Claims18
A trenching device, comprising:
- a power unit configured to rotate an output shaft at a first speed;
- a drive unit coupled to the power unit and including a belt drive system configured to transmit power from the output shaft to a driven shaft, causing the driven shaft to rotate at a second speed;
- and
- a trenching unit coupled to the drive unit, the driven shaft of the drive unit configured to rotate a continuous trenching chain about a trenching bar.
1 more element
Dependencies are inferred from the claim text.