U.S. patent number 3,898,739 [Application Number 05/332,817] was granted by the patent office on 1975-08-12 for vibrating dental packer.
Invention is credited to Donald W. Gayso.
United States Patent |
3,898,739 |
Gayso |
August 12, 1975 |
Vibrating dental packer
Abstract
A pencil-shaped hand piece is disclosed with one end connected
by a flexible wire capable of conveying vibrations to an electric
vibrator and with its other end incorporating a threaded aperture
into which accessory tips can be mounted. The accessory tips can be
in the form of a spatula or a compactor for depositing and/or
compacting deposited material in a working area such as a dental
mold with vibrations conveyed to the hand piece and the accessory
tip first effecting the depositing and then the compacting of the
material subsequent to the depositing of the material in the
working area. The electric vibrator is adjustable to vary the
intensity of the vibrations and is mounted in a casing including
supporting means for holding a plurality of accessory tips as well
as a supporting member for storing the hand piece when the device
is not in operation.
Inventors: |
Gayso; Donald W. (Memphis,
TN) |
Family
ID: |
23299975 |
Appl.
No.: |
05/332,817 |
Filed: |
February 16, 1973 |
Current U.S.
Class: |
433/118;
601/80 |
Current CPC
Class: |
A61C
13/20 (20130101); A61C 13/12 (20130101); A61C
3/08 (20130101) |
Current International
Class: |
A61C
3/00 (20060101); A61C 13/12 (20060101); A61C
3/08 (20060101); A61C 13/20 (20060101); A61C
13/00 (20060101); A61c 003/08 () |
Field of
Search: |
;32/56,57,58,53,54,50,DIG.4 ;128/24A,32,41,51,52,424,36
;310/17,20,81 |
References Cited
[Referenced By]
U.S. Patent Documents
Primary Examiner: Mancene; Louis G.
Assistant Examiner: Lever; J. Q.
Attorney, Agent or Firm: Mason, Fenwick & Lawrence
Claims
I claim:
1. Hand operated apparatus for enabling the application of damp or
dry powdery material into a working area and for subsequently
enabling uniform compacting of the powdery material in the working
area, said apparatus comprising a main vibration power source
comprising an electric vibrator having a physically movable output
member providing mechanical vibrations, a rigid pencil-shaped hand
piece having first and second ends, accessory tip mounting means
connected to said first end of said hand piece for fixedly
connecting an accessory tip to said hand piece and a flexible
wire-like mechanical vibration conveying means extending between
said second end of said hand piece and said physically movable
output member for continuously conducting a sufficient quantum of
vibrations from said main vibration power source to said hand piece
and an accessory tip mounted thereon to enable the compacting of
said powdery material by said accessory tip.
2. The invention of claim 1 in which said flexible wire-like
vibration conveying means comprises a metal spring wire member.
3. The invention of claim 1 wherein said accessory mounting means
comprises a threaded aperture for receiving a threaded accessory
tool in one end of said rigid pencil-shaped hand piece and said
flexible vibration conveying means is connected to said hand piece
by means of a swivel connector.
4. The invention of claim 1 wherein said electric vibrator includes
a vibrating coil having a vibrating core extending upwardly, a
casing encloseng said coil and incuuding a central aperture through
which said vibrating core extends, said accessory mounting means
comprises a threaded aperture in said hand piece for receiving a
threaded accessory tool and wherein said flexible vibration
conveying means is connected to said hand piece by means of a
swivel connector.
5. The invention of claim 1 wherein said electric vibrator includes
a vibrating coil extending upwardly, a casing enclosing said
vibrating core and having a central aperture through which said
vibrating core extends upwardly above said casing, said casing
further including a laterally extending support member for
supporting a plurality of said accessory tools with said support
member including apertures into which said accessory tools are
supportingly received, said flexible vibration conveying means
being connected to said hand piece by means of a swivel connector
and said accessory mounting means comprises a threaded aperture in
said hand piece for receiving a threaded accessory tool.
6. The invention of claim 1 wherein said electric vibrator includes
an upwardly extending vibrating core, a casing enclosing said
electric vibrator and including a central aperture through which
said vibrating core extends upwardly, said casing further including
a laterally extending support member for supporting a plurality of
said accessory tools in vertical orientation with said support
member including apertures into which threaded portions of said
tools are received, a trough type support member extending upwardly
from the upper surface of said casing dimensioned to receive and
hold said hand piece when said apparatus is not in operation,
swivel connector means enabling connection of said flexible
vibration coneyying means to said hand piece and said accessory
mounting means comprises a threaded aperture in the end of said
hand piece opposite said swivel connector for receiving a threaded
accessory tool.
7. The invention of claim 6 additionally including variable
adjustment means for adjusting the vibrational force of said
vibrating means.
8. The invention of claim 7 wherein said flexible vibration
conveying means is a spring wire member.
9. The invention of claim 2 additionally including swivel connector
means connecting said metal spring wire member to said hand piece.
Description
This invention is in the field of hand-held tools and is
specifically directed to the field of dental tools for depositing
either dry or damp powdery material such as porcelain or the like
in a mold and for subsequently compacting the deposited material
into the working area of the mold.
It is necessary in the formation of many dental appliances to
deposit powdery material in either a wet or damp form in a working
area such as a mold or impression followed by the compaction of the
material after deposit in the working area. For example, powdery
porcelain is frequently employed by dental technicians in the
foregoing manner during the construction of false teeth, bridges or
the like.
In the previously employed methods of depositing and compacting
such powdery material, the hand of the technician would normally
rest upon a vibrator from which vibrations would be conveyed to a
hand-held applicator/compactor through the technician's hand. The
foregoing method of operation is somewhat cumbersome and lacking in
flexibility. Consequently, considerable time and expense is
inherent in the prior known methods and apparatus used in
constructing dental appliances.
Therefore, it is the object of this invention to provide a new and
improved hand tool for applying and compacting powdery material in
dental fabrications.
Another object of this invention is the provision of a new and
improved vibrating means for use in effecting dental fabrications
with the new and improved means being easy to use to provide
uniform results.
Achievement of the objects of this invention is enabled through the
preferred embodiment of the invention by the employment of an
electric vibration source having a flexible wire like member
extending to a hand piece. The hand piece is pencil shaped to be
easily received in the hand of the user and is connected on one end
to the vibration conveying spring wire member and on its other end
is provided with a threaded aperture into which a selected
accessory tip can be mounted. Since vibrations are conveyed
directly through the rigid hand piece, the vibrations, which are
relatively delicate, are uniformly conveyed to the accessory tip
which is easily maneuverable to any orientation for enabling the
achievement of uniform results.
A better understanding of the manner in which the preferred
embodiment achieves the objects of this invention will be enabled
when the following written description is read in conjunction with
the appended drawings in which:
FIG. 1 is a perspective view of the preferred embodiment being
employed in an actual working operation;
FIG. 2 is a side view of the hand piece of the preferred embodiment
with portions in section to illustrate the inner construction of
the hand piece;
FIG. 3 is a top plan view of the electric vibration source means;
and
FIG. 4 is a sectional view taken along limes 4--4 of FIG. 3.
Attention is initially invited to FIG. 1 of the drawings which
illustrates the preferred embodiment of the invention in operation
in the formation of a dental appliance in the working area 10 of a
mold 12.
As shown in FIG. 1, a pencil-shaped hand piece 20 formed of rigid
material capable of conveying vibrations is dimensioned to be
conveniently and easily held in the hand 22 of the user. Hand piece
20 is of solid rigid construction and is provided with a threaded
aperture 24 on one end for receiving a selected accessory tool tip
member which is in the form of a spatula 28 in FIG. 2. It is to be
noted that the accessory tool tip 28 includes a threaded rod
portion 29 receivable into the threaded aperture 24. Other types of
accessory tool tips such as the tool tips 30, 32 and 34 illustrated
in FIG. 1 can selectively be employed in the hand piece 20 in
accordance with the particular work being performed.
A threaded sleeve 40 is received over a threaded end portion 42 of
the hand piece 20 for retaining a ball-like swivel connector 44 in
a recess in the hand of the threaded end portion. Swivel connector
member 44 is connected to a flexible spring wire member 46 which
has its other end connected to a vibrating core plunger 48 of a
conventional electric power vibration means generally designated 50
in FIG. 1. The flexible spring wire member 46 is connected to the
plunger 48 by a threaded sleeve 52 in the manner illustrated in
FIG. 4. Core plunger 48 is vibrated by means of a coil 54 which
receives power through a power line 56 and is controlled by a foot
switch (not shown) through a control line 58 (FIG. 1).
The vibrating means 50 includes a housing casing 60 enclosing the
coil 54 etc. with the core plunger 48 extending upwardly through a
soft rubber sleeve 55 in an opening in the top of the casing.
Casing 60 is mounted on a floor plate 62 which is, in turn,
supported by means of rubber legs 64. Casing 60 also includes a
laterally extending support portion 66 provided with a plurality of
vertically oriented apertures 68 dimensioned to receive the
threaded rod end portions 29 of the various accessory tips such as
accessory tip 30 as shown in FIG. 4.
In addition, the casing 60 also includes a U-shaped trough-like
portion 70 dimensioned to receive the hand piece 20 when the
apparatus is not in use. Also, it should be noted that the power of
the vibrations can be adjusted by a knob 72 illustrated in FIG.
1.
In operation, the vibrator means 50 is actuated so that vibrations
from the core plunger 48 are conveyed to the flexible wire 46 to
the hand piece 20 and thence to the accessory tool tip 28. It is to
be noted that the vibrations pass directly through the hand piece
20 and are not impaired or dissipated by the user's hand 22. The
vibrations can serve to deposit powdery material into the working
area 10 as shown in FIG. 1 when the accessory tool tip is a spatula
such as spatula 28. The deposited material can then be compacted by
further use of the accessory tip 28 or by the employment of another
tool tip such as the rounded ball type accessory tool tip 30
illustrated in FIG. 4 and silimarly illustrated in FIG. 1.
Numerous modifications of the preferred embodiment of this
invention will undoubtedly occur to those of skill in the art, and
it should be understood that the spirit and scope of the invention
is to be limited solely in light of the following claims. For
example, the vibrator can be an ultrasonic vibrator.
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