IP Library Granted Patent US 12696838
Granted Patent B2
US 12696838 · App. 18/303,388 · Granted Aug 4, 2026

Garden tool power source compartment having drainage

Inventors: Hok Sum Sam Lai (Hong Kong, CN); Ho Lam Ng (Hong Kong, CN)
Assignee: Techtronic Cordless GP
A01D34/81A01D34/008A01D2101/00
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Quick Facts
Patent No.
US 12696838
App. No.
18/303,388
Granted
Aug 4, 2026
Kind
B2
Abstract

A garden tool includes a prime mover, a housing, a power source, and a door. The housing defines a power source compartment. The housing also defines a first aperture and a second aperture each in communication with the power source compartment. The power source is configured to provide power to the prime mover. The power source is removably receivable in the power source compartment. The door is configured to move between a closed position in which the first aperture is closed and an open position in which the first aperture is open. The second aperture is configured to provide fluid communication between the power source compartment and an external environment for draining fluid from the power source compartment.

Claims (35)

1 . A garden tool comprising:

a prime mover;

a housing defining a power source compartment, the housing defining a first aperture and a second aperture each in communication with the power source compartment;

a power source configured to provide power to the prime mover, the power source removably receivable in the power source compartment; and

a door configured to move between a closed position in which the first aperture is closed and an open position in which the first aperture is open; and

a stopper configured to selectively close the second aperture, the stopper being movable between a draining position in which the second aperture is in fluid communication with the external environment for draining fluid and a stopped position in which the second aperture is closed;

wherein the second aperture is configured to provide fluid communication between the power source compartment and an external environment for draining fluid from the power source compartment; and

wherein the stopper is configured to move to the stopped position in response to the power source being inserted into the power source compartment and to move to the draining position in response to the power source being removed from the power source compartment.

2 . The garden tool of claim 1 , further comprising a linkage operably coupled to the stopper and engageable by the power source in the power source compartment.

3 . The garden tool of claim 2 , wherein the linkage is disposed at least partly outside the power source compartment.

4 . The garden tool of claim 1 , further comprising an electrical terminal disposed in the power source compartment, the electrical terminal configured to electrically couple the power source to the prime mover.

5 . The garden tool of claim 1 , wherein the garden tool is a robotic lawn mower comprising:

a plurality of wheels operatively coupled to the prime mover and configured to convert tractive effort into motion of the robotic lawn mower on a support surface; and

a blade configured to cut vegetation.

6 . A garden tool comprising:

a housing defining a power source compartment;

a power source configured to provide power to a prime mover, the power source receivable in the power source compartment;

a door configured to selectively close the power source compartment;

an aperture defined in the housing and configured to provide fluid drainage from the power source compartment independent of the door; and

a stopper configured to selectively close the aperture, wherein the stopper is movable between a draining position in which the aperture is in fluid communication with an external environment for draining fluid and a stopped position in which the aperture is closed;

wherein the stopper is configured to move to the stopped position in response to the power source being inserted into the power source compartment and to move to the draining position in response to the power source being removed from the power source compartment.

7 . The garden tool of claim 6 , further comprising a linkage operably coupled to the stopper and engageable by the power source in the power source compartment.

8 . The garden tool of claim 6 , further comprising an electrical terminal disposed in the power source compartment, the electrical terminal configured to electrically couple the power source to the prime mover.

9 . An electric lawn mower comprising:

a housing defining a power source compartment with an aperture;

a prime mover;

a power source configured to provide power to the prime mover, the power source removably receivable in the power source compartment;

a plurality of wheels operatively coupled to the prime mover and configured to convert tractive effort into motion of the electric lawn mower on a support surface;

a blade configured to cut vegetation;

a door configured to selectively open and close the power source compartment; and

a stopper configured to selectively close the aperture, the stopper being movable between a draining position in which the aperture is in fluid communication with the external environment for draining fluid and a stopped position in which the aperture is closed; and

wherein the stopper is configured to move to the stopped position in response to the power source being inserted into the power source compartment and to move to the draining position in response to the power source being removed from the power source compartment.

10 . The electric lawn mower of claim 9 , further comprising a linkage operably coupled to the stopper and engageable by the power source in the power source compartment.

11 . The electric lawn mower of claim 9 , further comprising an electrical terminal disposed in the power source compartment, the electrical terminal configured to electrically couple the power source to the prime mover.

12 . The electric lawn mower of claim 9 , wherein the housing defines a top and a bottom generally opposite the top, wherein the blade is disposed closer to the bottom than the top, wherein the door is at least partially disposed on the top, and wherein the power source compartment is selectively drainable through the bottom.