This invention relates generally to drum beating apparatus connectable to drums, such a bass drum rims, and more particularly concerns stabilized connection of beater base plates to bass drum rims.
There is need for stabilization of such connections, and particularly prevention of disconnection during drum beating. This is a problem due to relatively heavy sizes and weights of bass drums to be and remain accurately connected to drum beaters over extended use periods. There is also need for the particularly efficient and reliable connection modes and apparatus as enabled and provided by the present invention.
It is a major object of the invention to provide improved apparatus meeting the above needs as well as other needs and objectives. Basically, the invention is embodied in the combination that includes:
a) a frame, including at least one pedestal,
b) an axle carried by the pedestal to rotate relative thereto, the axle having an axis of rotation,
c) a drum beater carried by the axle,
d) a pedal operatively connected to the axle to rotate the axle and beater in response to pedal movement,
e) the frame including a base plate, there being a clamp arm and means supporting the arm on the plate to pivot relative thereto,
f) and multiple drum rim support elements carried to engage the drum rim at multiple locations to support the drum rim relative to the base plate.
As will be seen, at least one, and typically at least two of such elements are provided to be pivotally self adjusting during engagement of the elements with a drum rim. Further, there are preferably three of such support elements at least one of which is or are pivotally self adjustable and located to engage the convex side of a drum rim that has both convex and concave sides.
Further self-adjustment is enhanced and facilitated as by toggle support of one or more of the elements, enabling universal directional pivoting, during clamp-up.
Another object includes provision of a carrier, such as a plate, connectible to the base plate, the carrier carrying at least two of said elements, that are engagable with the convex side of a drum rim. A third of the elements may then be carried by the arm, to engage the concave side of the drum rim, in response to arm pivoting relative to the base plate.
As will be seen, and for enhanced, and balanced clamping force distribution, the third element is typically located in a plane substantially normal to an axis passing through said two elements.
A further object is to provide an assembly that comprises:
a) a frame, including at least one pedestal,
b) an axle carried by the pedestal to rotate relative thereto, the axle having an axis of rotation,
c) a drum beater carried by the axle,
d) a pedal carried by the frame to rotate the beater about said axis in response to pedal movement,
e) drum clamping means carried by the frame, and having separate clamping surfaces at least two of which are each supported to pivot in multiple directions, said surfaces engageable with curved drum structure.
These and other objects and advantages of the invention, as well as the details of an illustrative embodiment, will be more fully understood from the following specification and drawings, in which:
In the drawings, the drum beating assembly 10 includes a frame having a least one, and preferably two upright pedestals 11 and 12 mounted on the horizontal base plate 13. An axle 14 is carried by the pedestals, as via suitable bearings in housings 15 and 16, the axle having a horizontal axis 17 of rotation. A drum beater 18 has a stem 18a carried by the axle at 19 to be rotated forwardly to strike a head, indicated at 20.
A foot pedal 21 is operatively connected to the axle, as via a chain 22 engaging a sprocket 23, the end 22a of the chain being connected at 24 to the forward end of the pedal 21. The rearward end of the pedal is pivotally connected at 25 to the base plate 13.
In accordance with an important aspect of the invention, and arcuate bass drum rim 30 is positioned to be self adjustably clamp connected to the base plate, as for example via connections schematically shown by structures indicated in
Further adjustments as respects connection of the sub-assembly to a support plate, are shown at 60 in
The invention is further characterized by:
It will be noted in
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