Drumhead assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 24, 2010
Grant Date -
Oct 8, 2009
app pub date -
Apr 6, 2009
filing date -
Jan 19, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A drumhead assembly comprising a drumhead membrane fixed within an annular ring and a tensioning ring for tensioning the membrane, located within the annular ring and against the drumhead membrane, comprising a cylindrical rod formed in a circular, flat configuration and a tensioning member for maintaining the tensioning ring in a pre-tensioned configuration. The tensioning member can be adjustable, as in the form of a turnbuckle, so as to vary the diameter of the tensioning ring, or fixed, as in the form of a spacer, so as to maintain the tensioning ring at a predetermined diameter.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully