Patent ID: 7222648

Claim:
A bracket assembly for a mobile stand having a long beam and a plurality of legs that support the long beam for supporting a machine, said bracket assembly comprising: a bracket body mountable on the long beam of the mobile stand; a front clamp mounted in said bracket body, said front clamp having a front stop face contactable with the long beam of the mobile stand; a rear clamp pivoted to said bracket body and corresponding to said front clamp, said rear clamp having a rear stop face contactable with the long beam of the mobile stand, and a guide face opposite to said rear stop face; and a locking control device having an eccentric member and a follower rotatably coupled to said eccentric member, said eccentric member being pivoted to said bracket body and having an operating handle extending out of said bracket body, said follower having a push face kept in contact with said guide face of said rear clamp; wherein said eccentric member of said locking control device comprises a contacting portion; said operating handle extends outwards from a middle part of said contacting portion; said follower comprises two coupling rings respectively coupled to said contacting portion and set at two sides relative to said operating handle, said coupling rings each having a front side forming together said push face of said follower.