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US 12,714,019 B2Granted
Robotic garden tool with quick change mechanism
AssigneeTechtronic Cordless GP
InventorsTsz Kin Wong, Koon For Chung
Life of this patent
Estimating the term…
Abstract
A garden tool includes a drive shaft, a driven implement, and a locking cap configured to removably secure the drive shaft and the driven implement relative to each other. The locking cap is self-locking to inhibit loosening. The locking cap may include a ratchet mechanism. The garden tool may include a vegetation cutter.
Claims16
A garden tool, comprising:
- a drive shaft;
- a driven implement;
- and
- a locking cap configured to removably secure the drive shaft and the driven implement relative to each other, wherein the locking cap is self-locking, by way of a ratchet mechanism, to inhibit loosening;
- wherein the ratchet mechanism includes a ratchet wheel, a pawl pivotable between a first pawl position and a second pawl position, and a slider slideable between a first slider position and a second slider position, wherein the slider is configured to unlock the pawl in the second slider position.
2 more elements
A lawn mower comprising:
- a deck;
- a blade module;
- a motor having a drive shaft configured to drive the blade module;
- and
- a locking cap configured to removably secure the blade module to the drive shaft, wherein the locking cap is self-locking, by way of a ratchet mechanism, to inhibit loosening;
- wherein the ratchet mechanism includes a ratchet wheel, a pawl pivotable between a first pawl position and a second pawl position, and a slider slideable between a first slider position and a second slider position, wherein the slider is configured to unlock the pawl in the second slider position.
3 more elements
A self-locking cap for a garden tool, the self-locking cap comprising:
- an actuator having a grip configured to provide actuating leverage;
- a carrier;
- a pawl pivotable with respect to the carrier between a locked pawl position and an unlocked pawl position;
- and
- a slider slideable relative to the carrier between a first slider position and a second slider position, wherein the slider is configured to move the pawl to the unlocked pawl position in the second slider position;
- wherein the self-locking cap is configured to thread onto a drive shaft of the garden tool by actuation in a first direction and configured to thread off the drive shaft by actuation in a second direction opposite the first direction.
3 more elements
Dependencies are inferred from the claim text.