Coupler to attach robotic arm to surgical table

A coupler for coupling a robotic arm to a surgical table, the coupler comprising:

• a first portion configured to couple to a surgical table;
• a second portion configured to couple to a robotic arm, the second portion having a post configured to translate along a first axis of the first portion to couple the second portion to the first portion;
• and
• a locking mechanism configured to transition a coupling between the first portion and the second portion between a locked position and an unlocked position, wherein the locking mechanism is coupled to an interior cavity of the first portion and comprises a holder, a ball bearing assembly, a cam, and wherein the holder and the ball bearing assembly are configured to engage the post, and a translation of the cam along the first axis causes the holder to translate the post along the first axis between the locked position or the unlocked position, and in the locked position, movement of the first portion relative to the second portion in six degrees of freedom is constrained.