Horizontally supported planar surfaces – Vertically adjustable
Patent
1979-01-26
1981-03-24
Zugel, Francis K.
Horizontally supported planar surfaces
Vertically adjustable
108111, 108 62, A47B 908
Patent
active
042573335
ABSTRACT:
A shelving unit including corner posts on which shelves are removably and adjustably mounted through the provision of sleeves provided at the corners of the individual shelves. In association with each sleeve, there is provided a saddle acting as a spacer between the sleeve and post. The saddle initially is interengaged with the posts through the provision of a lug and complementary recess on the saddle and post respectively. As one function of the saddle, there is defined a point of reference for aligning a threaded opening of the sleeve with the lug of the saddle, through the provision of a lip or abutment on the saddle engaged by the sleeve when it is lowered to its selected position along the length of the post. At this time, a threaded opening of the sleeve registers with an outwardly facing recess of the saddle defined by the formation of the saddle lug. A set screw engaged in the opening is now threadable into the outwardly facing recess of the saddle, locking the sleeve to the saddle and the saddle to the post in the selected position of vertical adjustment of the shelf. The post has a series of uniformly spaced recesses along its length, any of which can be selected to receive the saddle lug. The arrangement permits the sleeve to be formed with a substantially greater inner diameter than the outer diameter of the post, to facilitate the raising and lowering of the shelves. Additionally, the arrangement permits formation of a shelf which can be inverted, due to the provision of corner sleeves thereon that are of constant inner and outer cross-sectional shape and size over their entire lengths, and that have set screws located midway between their lengths, thus to permit a shelf to incorporate a peripheral, protective side rail should the user so desire.
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Kane John J.
Sperry Albert
Zoda Frederick A.
Zugel Francis K.
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