Drum head and tensioning hoop with positioning and T-lock ridges

Details Drum head and tensioning hoop with positioning and T-lock ridges Drum head and tensioning hoop with positioning and T-lock ridges

1995-02-28

1996-09-10

Stanzione, Patrick J.

Music

Instruments

Drums

84414, G10D 1302

Patent

active

055548121

ABSTRACT:
A drumhead for musical percussion instruments includes a synthetic polymer membrane secured to a ring-shaped tensioning hoop having a uniform cross-sectional shape in which is formed in the upper surface thereof a generally U-shaped channel. A positioning lip or ridge protruding downwards and inwards into the channel from the outer circumferential wall of the hoop limits upward movement of the outer vertically disposed annular wall of a peripheral hoop mounting section of the membrane which has been molded into a U-shaped cross section maintained by elastic memory, thereby precisely locating the membrane with respect to the hoop when the peripheral section of the membrane is inserted into the hoop channel. In the preferred embodiment, the bottom flat wall of the membrane hoop-mounting section is supported by a pair of radially opposed and aligned ledges or ridges located above the bottom wall of the channel and protruding inwards from opposite channel walls, forming an inverted T-shaped sub-channel within the U-shaped channel. Circumferentially spaced apart perforations provided through the flat bottom wall of the membrane hoop-mounting section are radially positioned so as to overlie the space between the ledges. Thus, liquid polymer poured into the upper opening of the tensioning hoop permeates the holes, and when solidified into a polymer ring, forms a plurality of inverted T-shaped lugs which securely lock the ring and membrane to the tensioning hoop.

REFERENCES:
patent: 3272057 (1966-09-01), Saito
patent: 3668296 (1972-06-01), Criscuolo
patent: 4779508 (1988-10-01), Beals
patent: 4809582 (1989-03-01), Chang

Affiliated with

Also associated with

Rating

Drum head and tensioning hoop with positioning and T-lock ridges does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Drum head and tensioning hoop with positioning and T-lock ridges, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Drum head and tensioning hoop with positioning and T-lock ridges will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1322305