Patent ID: 7732720
Filing Date: 2010-06-08
Classification: G01G

Abstract:
1. A draft protection device for a balance having a scale top cover, vertically extending rods attached to corners of the scale top cover, and a weighing dish, the draft protection device comprising stationary front and rear panels, slidable side panels, and a flip top panel, front and rear top frames extending across top ends of the rods, wherein the front and rear panels engage in grooves of the scale top cover and of the front and top frames, wherein, in the assembled state, the front and rear panels are in contact with the rods, the side panels being slidable in grooves of the front and rear top frames and on the scale top cover, wherein the side panels have means for controlling the travel range of the side panels on the scale top cover, and wherein the flip top panel is connected to the rear top frame so as to be pivotable, and further comprising a friction reduction device mounted in the scale top cover so that the side panels slide along the friction reduction device.