Height adjustment of music stand
OwnerDon Lombardiinventor
Life of this patent
Estimating the term…
Abstract
Height adjustment structure is provided for a music stand having upper and lower telescopic sections, at least one of which is tubular. The structure includes: (a) a height limiting flexible strand extending lengthwise within said tubular section or sections, (b) the strand having an upper portion attached to an upper one of said sections, and (c) the strand having a lower portion attached to a lower one of said sections, (d) the length of the strand between said attachments when taut blocking further elevation of the upper section related to the lower section.
Claims5
In height adjustment means for a music stand having upper, middle and lower telescoping sections at least one of which is tubular, and in combination with said stand, the combination comprising
- (a) a height limiting flexible strand extending lengthwise within said tubular section or sections,
- (b) the strand having an upper portion attached to an upper one of said sections, and
- (c) the strand having a lower portion attached to a lower one of said sections,
- (d) the length of the strand between said attachments when taut blocking further elevation of the upper section related to the lower section, the length of the strand substantially exceeding the length of each section,
- (e) the lower section having an open end via which the lower portion of the strand is accessible to adjust its taut length within the sections,
- (f) there being a clamp on the lower section acting to adjustably clamp said lower portion of the strand, adjacent said lower section lower end,
- (g) there being a transverse pin in the lower end of the upper section to which the strand upper portion is attached, the lower end of the upper section being open, but received in the middle section, the attachment of the strand to said transverse pin being adjustable via the open lower end of the upper section when the upper section is removed from the middle section.
Dependencies are inferred from the claim text.