Patent ID: 11939157
Assignee: OCADO INNOVATION LIMITED
Field: Handling (Mechanical engineering)
Classification: CPC B  G | IPC B

Claim 1:
2. The grid frame of claim 1, wherein:
the first X-direction lip is configured to engage the first pair of wheels to guide movement of the first pair of wheels in the X-direction along the first part of the first X-direction rail, the first X-direction lip providing a first space at one end of the first X-direction lip for the third pair of wheels to roll in the Y-direction through the first space past the first X-direction lip,
the second X-direction lip is configured to engage the pair of wheels of the second load handling device to guide movement of the pair of wheels of the second load handling device in the X-direction along the second part of the first X-direction rail with the first X-direction lip engaging the first pair of wheels,
the first Y-direction lip is configured to engage the third pair of wheels to guide movement of the third pair of wheels in the Y-direction along the first part of the first Y-direction rail, the first Y-direction lip providing a second space at one end of the first Y-direction lip for the first pair of wheels to roll in the X-direction through the second space past the first Y-direction lip, and
the second Y-direction lip is configured to engage the pair of wheels of the third load handling device to guide movement of the pair of wheels of the third load handling device in the Y-direction along the second part of the first Y-direction rail with the first Y-direction lip engaging the third pair of wheels.