Patent ID: 7210742

Claim:
A distance adjustment device, comprising: a guide rail; a movable plate slidably mounted on the guide rail; a movable handle pivotally mounted on a surface of the movable plate and having a first end detachably engaged with the guide rail, wherein the movable handle is pivotable in a direction parallel with a moving direction of the movable plate relative to the guide rail; a fixed handle secured on the surface of the movable plate and located opposite to a second end of the movable handle; wherein the guide rail has a protruding first side rested on the movable plate and formed with a plurality of locking grooves, and the first end of the movable handle has a first side formed with a locking block detachably locked in one of the locking grooves of the guide rail, the distance adjustment device further comprises a support member secured on the surface of the movable plate and located between the first end of the movable handle and a protruding second side of the guide rail, and an elastic member biased between the support member and a second side of the first end of the movable handle to push the first end of the movable handle toward the locking grooves of the guide rail so that the locking block of the movable handle is normally locked in one of the locking grooves of the guide rail by an elastic force of the elastic member.