Patent ID: 11897740
Assignee: CROSSJACK LLC
Field: Handling (Mechanical engineering)
Classification: CPC B  Y | IPC B

Claim 4:
5. A method of using an expandable car jack, the method comprising:
disengaging a base support coupler from a first base support member;
rotating the first base support member with respect to a second base support member from a parallel alignment to a perpendicular alignment; and
mechanically engaging the base support coupler with the first base support member so that the base support coupler prevents the first base support member from rotating with respect to the second base support member; and
wherein the base support coupler is a bolt having a head and a foot and having a length between the head and the foot, wherein a first threaded portion of the length adjacent the head comprises threads, a second threaded portion of the length adjacent the foot compromises threads, and an unthreaded portion of the length between the first and second portions is not threaded.