Patent ID: 7937805

Claim:
A castor, comprising: a castor body; two rollers rotatably mounted on two opposite sides of the castor body and each having an inner wall provided with an annular toothed locking section; a locking member movably mounted on the castor body and having a first end provided with two opposite locking flanges each having a toothed engaging portion facing the toothed locking section of a respective one of the two rollers; a brake handle pivotally mounted on the castor body and connected with the locking member to drive the toothed engaging portion of each of the two locking flanges of the locking member to engage the toothed locking section of the respective roller; wherein the brake handle has a first side provided with a pivot base pivotally mounted on the castor body and a second side provided with a press portion to drive the pivot base to pivot relative to the castor body; the pivot base of the brake handle has two opposite sidewalls each having a first end provided with a drive portion abutting a second end of the locking member to drive and move the locking member relative to the two rollers and to drive and move the toothed engaging portion of each of the two locking flanges of the locking member relative to the toothed locking section of the respective roller; the second end of the locking member has a bottom provided with a limit groove to receive and limit the drive portion of the brake handle so that the drive portion of the brake handle is movable and rotatable in the limit groove of the locking member to drive and move the locking member.