公开(公告)号：USD1067952S1

公开(公告)日：2025-03-25

申请号：US29845758

申请日：2022-07-11

Applicant: Amazon Technologies, Inc.

Designer： William Clem ,  Nicholas Van Stolk ,  Matthew Anthony Brady ,  Dincer Bozkaya ,  Gabriel Hebert ,  Jefferson Lee ,  Mark Anthony Begley

公开(公告)号：US11407590B1

公开(公告)日：2022-08-09

申请号：US15931070

申请日：2020-05-13

Applicant: Amazon Technologies, Inc.

Inventor： Dragan Pajevic ,  Allan Katz ,  Mark Anthony Begley ,  Timothy Joseph Jordan

IPC: G06F7/00 ,  B65G1/137 ,  B66F9/06 ,  G05D1/02 ,  B66F9/12

Abstract: Method and apparatus for identifying a relative rotation between a rotary unit and a base unit in a drive unit, receiving a command that changes the relative rotation when the command is executed by the drive unit, determining that rotating at least one of the base unit or the rotary unit in a first direction in response to the command results in the relative rotation exceeding a maximum rotation value, and rotating at least one of the base unit or the rotary unit in a second direction opposite the first direction while executing the command. In one example, the drive unit may include cables that transfer power and control signals from the base unit to the rotary unit. Determining whether executing the command results in the relative rotation exceeding the maximum rotation value can ensure the cables are not damaged.