Patent ID: 11884015
Assignee: SPRINTRAY, INC.
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 10:
11. The build platform of claim 1, wherein the two or more second magnets include a first one of the two or more second magnets that corresponds to the first one of the two or more first magnets but with opposite polarity, a second one of the two or more second magnets that corresponds to the second one of the two or more first magnets but with opposite polarity, and a third one of the two or more second magnets that corresponds to the third one of the two or more first magnets but with opposite polarity, and wherein the first one of the two or more second magnets magnetically attracts the first one of the two or more first magnets and magnetically repels the third one of the two or more first magnets, the second one of the two or more second magnets magnetically attracts the second one of the two or more first magnets and magnetically repels the third one of the two or more first magnets, and the third one of the two or more second magnets magnetically attracts the third one of the two or more first magnets and magnetically repels the first one of the two or more first magnets and the second one of the two or more first magnets thereby causing the first surface rear side to move in the direction of the front-to-rear axis and towards the second surface rear side and without rotation.