Patent ID: 7611111

Claim:
A device for moving, adjusting and securing a shelf unit, comprising: the shelf unit; a pair of brackets for supporting the shelf unit; and a pair of vertical struts for supporting the brackets, wherein each of the vertical struts includes a rack having teeth located at a back part of the vertical strut, and wherein each of the brackets includes: a small stop for rotating of the bracket within the groove of vertical strut; a toothed wheel having teeth, the teeth of the toothed wheel being rotationally engagable with the teeth of the rack of a respective one of the vertical struts; and a sliding block having teeth, the teeth of the sliding block being engagable with the teeth of the rack of the respective one of the vertical struts, wherein when the bracket is fixed in a stationary position with respect to the respective one of the vertical struts, the teeth of the toothed wheel and the teeth of the sliding block are engaged with the teeth of the rack and the small stop is in contact with a front part of the respective one of the vertical struts, and when the bracket is adjusted with respect to the respective one of the vertical struts, the teeth of the toothed wheel are engaged with the teeth of the rack and the teeth of the sliding block are disengaged from the teeth of the rack.