Patent ID: 7275730

Claim:
A device ( 1 ) for adjusting the height of an arrangement ( 2 ) relative to a mounting surface ( 3 ), said device being connected with a bottom ( 5 ) of the arrangement ( 2 ) and comprising: at least two mobile elements ( 7 a , 7 b ) that are telescopically displaceable relative to one another; a socket ( 9 ) on said bottom ( 5 ); and, a rotary wheel ( 8 ), said rotary wheel ( 8 ) including a first thread ( 8 a ) and a second thread ( 8 b ) having complementary inclinations and surrounding said socket ( 9 ) on all sides wherein said rotary wheel ( 8 ) also surrounds a foot ( 11 ), and wherein said socket ( 9 ) cooperates with said first thread ( 8 a ) and said foot ( 11 ) cooperates with said second thread ( 8 b ).