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US 7,000,873 B2Granted
Microscope stand having balancing device
AssigneeLeica Microsystems (Schweiz) AG
InventorAndrzej Metelski
Life of this patent
Estimating the term…
Abstract
The invention relates to a stand having a pivotable support arm (2) and a balance weight (AG), in which the balance weight (AG) acts via a cable pull (24) for the weight compensation of the load (G), the balance weight (AG) being arranged in the area of the vertical upright column (21) of the stand.
Claims35
A stand for supporting a surgical microscope, said stand comprising:
- an upright column;
- a support arm connected to said upright column for carrying said surgical microscope, said support arm being pivotable in a vertical plane;
- a cable pull operatively connected to said support arm to act at a location spaced from a pivot axis of said support arm;
- and
- a device for applying a constant balancing force to said support arm through said cable pull to compensate for loading associated with said surgical microscope;
- and
- at least one deflecting roller mounted on said stand for redirecting said cable pull in a direction parallel to said upright column for connection to said device, wherein said at least one deflecting roller redirects said cable pull to extend at least closely along a vertical axis of said upright column.
4 more elements
Dependencies are inferred from the claim text.