U.S. patent number 3,780,202 [Application Number 05/263,860] was granted by the patent office on 1973-12-18 for mounting bracket for pickup in a stringed musical instrument.
This patent grant is currently assigned to Clement R. Law, Joseph F. Law. Invention is credited to Clement R. Law.
United States Patent |
3,780,202 |
Law |
December 18, 1973 |
MOUNTING BRACKET FOR PICKUP IN A STRINGED MUSICAL INSTRUMENT
Abstract
A mounting bracket for mounting a pickup head for an amplifier
within a banjo or other stringed instrument, the bracket being
arranged to be adjustably positionable along a pair of spaced rods
which extend in parallel relation across the frame of the
instrument beneath the head thereof, with a support engaging the
rods and being adjustably positionable therealong. A plate is
carried by the support and is pivotally supported from the support.
A pickup is secured to the plate and is positionable in the
vicinity of the head in widely adjustable relationship with the
head.
Inventors: |
Law; Clement R. (Chicago,
IL) |
Assignee: |
Law; Clement R. (Chicago,
IL)
Law; Joseph F. (Chicago, IL)
|
Family
ID: |
23003544 |
Appl.
No.: |
05/263,860 |
Filed: |
June 19, 1972 |
Current U.S.
Class: |
84/726; 84/269;
984/370 |
Current CPC
Class: |
G10H
3/183 (20130101); G10H 2230/151 (20130101) |
Current International
Class: |
G10H
3/18 (20060101); G10H 3/00 (20060101); G10h
001/00 (); G10h 003/00 () |
Field of
Search: |
;84/1.04,1.14-1.16,DIG.24,267-269,1.06 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Wilkinson; Richard B.
Assistant Examiner: Witkowski; Stanley J.
Claims
I claim as my invention:
1. In a banjo including a frame and a head supported by the frame,
the improvement which comprises a pair of spaced rods extending in
parallel relation across said frame beneath said head, support
means engaging said rods for lateral movement therealong, a plate
carried by said support means, means connecting said plate to said
support means in pivotally adjustable relationship, and a pickup
means secured to said plate for sensing vibratory movement of said
head.
2. The banjo of claim 1 including means for adjustably vertically
positioning said plate with respect to said support means.
3. The banjo of claim 1 in which said support means includes a pair
of clamps, means for tightening said clamping means against said
rods, said support means further including a horizontally extending
portion, a post extending through said horizontally extending
portion, means for securing said plate to said post, and means for
securing said post to said horizontally extending portion in
vertically adjustable position therein.
Description
BACKGROUND OF THE INVENTION
1. Field of the Invention
This invention is in the field of musical instruments and, more
particularly relates to a means for positioning a pickup in
adjustable relationship with respect to a vibrating head, the
pickup being positionable across the entire width of the head, and
being vertically and pivotally adjustable with respect to the
head.
2. Description of the Prior Art
Amplifier attachments for incorporation in banjos and the like have
become increasingly popular in recent years. In general, such
attachments involve an electromagnetic pickup or transducer which
converts the mechanical vibration of the banjo head into electrical
impulses which are passed to an amplifier and then reconverted to
amplified audible sound in one or more loudspeakers. The audible
effects produced by such an amplifier system, however, vary with
the positioning of the electromagnetic pickup head. In most pickup
head assemblies, there is only a limited degree of adjustability
provided between the pickup and the head. The present invention
provides an improved pickup means which permits adjustability
positioning the pickup along a diameter of the head and also
provides for vertical adjustability with respect to the head, and
angular positioning of the pickup at a predetermined vertical
positioning.
SUMMARY OF THE INVENTION
The present invention provides a mounting bracket which is arranged
to be secured in adjustable position along a pair of spaced rods
which extend in parallel vertically spaced relationship across the
frame of the instrument and in the plane of a diameter of the head.
The bracket includes an offset portion which receives a post which
can be secured to the offset portion in adjustable vertical
position. A support plate is carried by the post and has the
electromagnetic pickup secured to it, the arrangement being such
that the pickup can be vertically and angularly moved with respect
to the vibrating head as well as being positionable by the
aforementioned rods at a preselected lateral position with respect
to the head.
BRIEF DESCRIPTION OF THE DRAWINGS
Other objects, features and advantages of the invention will be
readily apparent from the following description of certain
preferred embodiments thereof, taken in conjunction with the
accompanying drawings, although variations and modifications may be
effected without departing from the spirit and scope of the novel
concepts of the disclosure, and in which:
FIG. 1 is a fragmentary view of the underside of a banjo structure,
with the bottom thereof removed, illustrating a banjo equipped with
the mounting bracket of the present invention;
FIG. 2 is a view in perspective of the mounting bracket itself;
and
FIG. 3 is a view in elevation of the mounting bracket structure
taken substantially along the line III--III of FIG. 1.
DESCRIPTION OF THE PREFERRED EMBODIMENTS
In FIG. 1, reference numeral 10 indicates generally a banjo
structure which includes a frame 11 and a handle neck 12. A head 13
is secured to the frame 11 in the conventional manner by means of
tensioning rods 14 spaced about the periphery of the frame 11.
Extending along a diametrical plane of the head 13 are a pair of
spaced rods 15 and 16 which provide for lateral movement of a
mounting bracket generally indicated at reference numeral 17 in
FIG. 1. As seen in FIG. 2, the mounting bracket 17 includes a pair
of spaced blocks 18 and 19 each of which has a pair of vertically
spaced, aligned arcuate recesses, the recesses in the block 18
being identified at reference numerals 20 and 21, while those in
the block 19 being identified at reference numerals 22 and 23. As
best seen in FIG. 3, these arcuate recesses are proportioned to
engage the rods 15 and 16 in clamping relationship in a preselected
position along the diameter of the drun head, by virtue of a set
screw 24 which is provided to clamp the blocks 18 and 19 together
in a preselected position along the rods 15 and 16.
Extending from the block 19 is a horizontally extending portion 25
which includes a vertically extending groove 26. A suitable bore is
provided medially of the groove 26 to receive a post 27. A set
screw 28 extends through the horizontally extending portion 25 such
that upon tightening of the screw 28, the horizontally extending
portion 25 can be adjustably clamped about the post 27 in any
desired vertical position with respect to the head 13.
The lower end of the post 27, as best seen in FIG. 3, includes a
threaded portion 29 which is received in a suitably threaded
aperture of a support plate 30. A nut 31 fixedly secures the post
27 to the support plate 30. The support plate 30 is arranged to
carry an electromagnetic transducer pickup 32 which is secured
thereto by means of spaced screws 33. The pickup 32 has electrical
leads 34 for connecting the output of the pickup to a suitable
amplifier.
The adjustment capabilities of the device of the present invention
should be apparent from the foregoing description. With the back of
the instrument removed, the mounting bracket 17 is engaged with the
rods 15 and 16 by separating the blocks 18 and 19 and clamping the
rods 15 and 16 between the recesses 20 through 23, as shown in FIG.
3. Adjustment of the set screw 24 thereby locks the mounting
bracket along a preselected lateral position along the rods 15 and
16. Next, vertical positioning of the bracket is accomplished by
moving the post 27 with relation to the horizontally extending
portion 25 and then tightening the set screw 28 when the pickup
head 32 is in the position desired with respect to the underside of
the head 13. At the same time, the pickup head 32 can be moved
angularly as illustrated in the dash lines of FIG. 1 before the set
screw 28 is tightened to clamp the post 27 in preselected
position.
The wide adjustability of the bracket of the present invention
makes it possible to secure tonal effects not possible with other
types of pickup mounting brackets. The mounting bracket of the
present invention is also relatively inexpensive and can be readily
incorporated into existing banjo structures without substantial
modification.
It should also be evident that various modifications can be made to
the described embodiments without departing from the scope of the
present invention.
* * * * *