Caster

A caster comprising:

• a fixed bracket fixedly attached to a movable body to be moved on said caster, a rotary yoke supported on said fixed bracket for rotation around a vertical axis, a wheel rotatably supported on said rotary yoke by a horizontal axis at a position horizonally displaced from the axis of rotation of said rotary yoke, said rotary yoke including caster locking means for engaging said fixed bracket to inhibit the rotation of said rotary yoke, brake means for engaging said wheel to inhibit the rotation of said wheel, said brake means including a brake member and a brake rod carried by said brake member, said rotary yoke having a V-shaped guide groove for guiding said brake rod, said brake member having an elongated opening (51), said rotary yoke further having fixed thereon a shaft (52) which extends through said elongated opening in said brake member, and tension spring means for interconnecting said brake rod (53) and said shaft (52).