Patent ID: 11926042
Assignee: SMC CORPORATION
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A compliance unit comprising a body portion, a slide portion, and a table portion,
wherein
a retainer that holds a plurality of first balls is arranged between a slide body constituting the slide portion and a base plate constituting the table portion,
the plurality of first balls are arranged around an axis of the slide portion that coincides with a Z-axis,
a single second ball is arranged on the axis of the slide portion between a first ball receiving plate constituting the slide portion and a second ball receiving plate constituting the table portion,
the table portion is movable in a XY plane with respect to the slide portion,
the table portion is tiltable with respect to the slide portion,
the second ball is configured to roll on the first ball receiving plate and the second ball receiving plate, in order to absorb errors in the XY plane in a state where a pressing force is applied to the table portion, and
the second ball is configured to abut against the first ball receiving plate and the second ball receiving plate and a part of the plurality of first balls is sandwiched between the base plate and the slide body, in order to absorb errors concerning inclination of the table portion in a state where a pressing force is applied to the table portion.