Patent ID: 11945405
Assignee: WINBO-DONGJIAN AUTOMOTIVE TECHNOLOGY CO., LTD.
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. An extendable and retractable vehicle step assembly comprising:
a mounting body, wherein the mounting body comprises a first stopping surface;
a first support arm comprising a first end and a second end, wherein the first end of the first support arm is pivotably coupled to the mounting body, and wherein a side of the first support arm comprises a second stopping surface configured to touch the first stopping surface at one of:
a fully retracted position of the extendable and retractable vehicle step assembly; or
a fully extended position of the extendable and retractable vehicle step assembly;

a second support arm comprising a first end and a second end, wherein the first end of the second support arm is pivotably coupled to the second end of the first support arm, and wherein the second end of the second support arm comprises a mounting portion for a footboard;
a sleeve through which at least a portion of the second support arm is configured to pass in a first direction during an extension operation and in a second direction during a retraction operation; and
at least one roller that is configured to:
rotate clockwise, based on movement of the second support arm in the first direction; and
rotate counterclockwise, based on movement of the second support arm in the second direction.