US2696670A - Combination amalgam carrier and plugger - Google Patents

Combination amalgam carrier and plugger Download PDF

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Publication number
US2696670A
US2696670A US365821A US36582153A US2696670A US 2696670 A US2696670 A US 2696670A US 365821 A US365821 A US 365821A US 36582153 A US36582153 A US 36582153A US 2696670 A US2696670 A US 2696670A
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Prior art keywords
plugger
head
rod
neck
amalgam
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US365821A
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Robert B Thurman
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00593—Hand tools of the syringe type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C5/00—Filling or capping teeth
    • A61C5/60—Devices specially adapted for pressing or mixing capping or filling materials, e.g. amalgam presses
    • A61C5/62—Applicators, e.g. syringes or guns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00596—The liquid or other fluent material being supplied from a rigid removable cartridge having no active dispensing means, i.e. the cartridge requiring cooperation with means of the handtool to expel the material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/00503—Details of the outlet element
    • B05C17/00516—Shape or geometry of the outlet orifice or the outlet element

Definitions

  • a device which is ⁇ adapted to be used for picking up pieces of amalgam and trans ferring them to cavities in teeth to be filled and which device may then be utilized as a plugger for forcing such piece of amalgam into the cavity.
  • the device contains many novel features including a novel means for transferring force applied to a plunger to the working end of the device, such end also being curvular to provide easy access to cavities particularly in the molars.
  • Novel locking means is provided for locking a plunger forming a part of the invention in its outward position in the working end of the device whereby the same may be used as a plugger.
  • Another object of the invention is to provide, in a device of the carrier set forth, a novel curvular neck portion forming a part of the invention.
  • Another object of the invention is to provide, in a device of the character set forth, a novel lock forming Ya part of the invention.
  • a further object of the invention is to provide, in a device of the character set forth, novel means for transferring force from one part of the device to another, such means forming a part of the invention.
  • Figure 1 is a side elevational view of an embodiment of the invention
  • Figure 2 is a view similar to Figure 1 but broken away to disclose the interior mechanisms of the device
  • Figure 3 is a view similar to Figure 2 but showing an operating handle forming a part of the invention in extended position
  • Figure 4 is an enlarged fragmentary vertical sectional view of a cap and allied structure forming a part of the invention, with the plunger retracted.
  • Figure 5 is an enlarged fragmentary sectional View with the plunger extended.
  • Figure 6 is a section taken on line 66 of Figure 1.
  • Figure 7 is a section taken on lineiL7-7 of Figure 1.
  • a device of the character set forth comprising an elongated hollow cylinder 10 to whose forward end is integrally connected a neck generally indicated at 11 and having a rearward portion 12 which extends concentrically with the cylinder 10 and a forward curvular portion 13 whose free end 14 extends perpendicularly to the longitudinal axis of the cylinder 10.
  • a cap is generally designated at 15 and consists of a centrally apertured knurled head 16 and a reduced ex- -teriorly threaded portion 17 adapted to be threaded into the rearward end of the cylinder 10.
  • the head 16 is provided with a pair of diametrically opposed bayonet slots 18 for the reception therein of a pin 19 which extends diametrically through a rod 20 which, in turn, extends slidably and centrally through the head 16 into the interior of the cylinder 10.
  • the outer or free end of the rod 20 is provided with an actuating button 25.
  • a work head 26 Threaded upon the outer side of the portion 14 of the neck 11 is a work head 26 which tapers inwardly toward its cuter end 27.
  • the head 26 is provided with a centrally located longitudinally extending passage 28 in its outer end and with a cylindrical chamber 29 in its inner end.
  • a piston 31 is slidably mounted in the passage 28 and terminates in the chamber 29 with an enlarged cylindrical head 32.
  • a plurality of balls 34 preferably formed of hardened steel, is mounted in the neck 11 and extends from the forward end of the reduced portion 21 of the rod 20 to the member 32.
  • the head 26 may now be forced into the supply of amalgam and a portion thereof Will be held within the space just referred to whereupon the head 26 may now be moved to a point adjacent or in the cavity to be filled and by pressing inwardly upon the operating handle 25 the rod 20 will be moved inwardly and consequently the reduced portion 21 thereof will impinge against the series of balls 34 which, in turn, will impinge against the member 32 and thus force the piston 31 outwardly of the head 26 as shown.
  • the r-od 20 may now be locked within the bayonet slots by moving the pin 19 therein and twisting the same in conventional manner. This will, in turn, act to hold the piston 31 in its outer position as just described whereupon the device may be used as a plugger for the amalgam to force the same in conventional manner into the aforesaid cavity.
  • a device of the character described comprising a hollow cylinder having a forward wall, a neck formed integrally with said wall and having a rear portion concentric with said cylinder and a curved forward portion, said neck and said wall having a passageway therethrough, a work head removably mounted on the free end of said neck, a piston reciprocally mounted in the outer end of the work head, a knurled head removably mounted on the rear end of said cylinder, a rod reciprocally mounted in said knurled head and having a reduced portion extending into said passageway, means for imparting movement from said rod to said piston, a handle on the outer end of said rod, said reduced portion forming a shoulder with the remainder of said rod, and a compression spring surrounding said reduced portion and bearing against said shoulder and said wall, said rod being provided with a pin extending transversely therethrough adjacent said handle, and within said knurled head is provided with a pair of bayonet slots for receiving said pin whereby to lock s-aid rod in its
  • a device of the character described comprisingl a hollow cylinder having a forward wall, a neck formed integrally with said wall and having a rear portion concentric with said cylinder and curved forward portion,
  • said neck and said wall having a passageway therethrough, a work head removably mounted on the free end of said neck, a piston reciprocally mounted in the outer end of the work head, a knurled head removably mounted on the rear end of the cylinder, a rod reciprocally mounted in said knurled head and having a reduced portion extending into said passageway, means for imparting movement from said rod to said piston, and a handle on the outer end of said rod, said means comprising a plurality ⁇ of balls mounted in said passageway in abutting relation to each other.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Description

Dec. 14, 1954 R. B. THURMAN COMBINATION AMALGAM CARRIER AND PLUGGER Filed July 5, l19:53
A :Indi
. IN V EN TOR. oaf/zr *wwe/ww United States Patent COlVIBINATION AMALGAM CARRIER AND PLUGGER Robert B. Thurman, Sparta, Tenn.
Application July 3, 1953, Serial No. 365,821
2 Claims. (Cl. 32-60) The present invention relates to a combination amalgam carrier and plugger and it consists in the combinations, constructions and arrangements of parts herein described and claimed.
Generally there is provided a device which is `adapted to be used for picking up pieces of amalgam and trans ferring them to cavities in teeth to be filled and which device may then be utilized as a plugger for forcing such piece of amalgam into the cavity. The device contains many novel features including a novel means for transferring force applied to a plunger to the working end of the device, such end also being curvular to provide easy access to cavities particularly in the molars. Novel locking means is provided for locking a plunger forming a part of the invention in its outward position in the working end of the device whereby the same may be used as a plugger.
It is accordingly an object of the invention to provide a novel combined amalgam carrier and plugger.
Another object of the invention is to provide, in a device of the carrier set forth, a novel curvular neck portion forming a part of the invention.
Another object of the invention is to provide, in a device of the character set forth, a novel lock forming Ya part of the invention.
A further object of the invention is to provide, in a device of the character set forth, novel means for transferring force from one part of the device to another, such means forming a part of the invention.
Other and further objects of the invention will become apparent from a reading of the following specification taken in conjunction with the drawing, in which:
Figure 1 is a side elevational view of an embodiment of the invention,
Figure 2 is a view similar to Figure 1 but broken away to disclose the interior mechanisms of the device,
Figure 3 is a view similar to Figure 2 but showing an operating handle forming a part of the invention in extended position,
Figure 4 is an enlarged fragmentary vertical sectional view of a cap and allied structure forming a part of the invention, with the plunger retracted.
Figure 5 is an enlarged fragmentary sectional View with the plunger extended.
Figure 6 is a section taken on line 66 of Figure 1.
Figure 7 is a section taken on lineiL7-7 of Figure 1.
Referring more particularly to the drawing, there is shown therein a device of the character set forth comprising an elongated hollow cylinder 10 to whose forward end is integrally connected a neck generally indicated at 11 and having a rearward portion 12 which extends concentrically with the cylinder 10 and a forward curvular portion 13 whose free end 14 extends perpendicularly to the longitudinal axis of the cylinder 10.
A cap is generally designated at 15 and consists of a centrally apertured knurled head 16 and a reduced ex- -teriorly threaded portion 17 adapted to be threaded into the rearward end of the cylinder 10. The head 16 is provided with a pair of diametrically opposed bayonet slots 18 for the reception therein of a pin 19 which extends diametrically through a rod 20 which, in turn, extends slidably and centrally through the head 16 into the interior of the cylinder 10.
Forward portion of the rod 20 is reduced, as shown at 21 thus providing a shoulder 22 and the reduced portion 21 extends into the rear portion of the neck 11. A compression spring 23 surrounds the reduced portion ICC its other end.
The outer or free end of the rod 20 is provided with an actuating button 25. Threaded upon the outer side of the portion 14 of the neck 11 is a work head 26 which tapers inwardly toward its cuter end 27. The head 26 is provided with a centrally located longitudinally extending passage 28 in its outer end and with a cylindrical chamber 29 in its inner end.
A piston 31 is slidably mounted in the passage 28 and terminates in the chamber 29 with an enlarged cylindrical head 32. A plurality of balls 34, preferably formed of hardened steel, is mounted in the neck 11 and extends from the forward end of the reduced portion 21 of the rod 20 to the member 32.
In operation, it will be apparent that when it is desired to transfer amalgam from a source of supply to a tooth cavity, the pin 19 will first be disengaged from the bayonet slots 18 by a simple twist of the operating handle 25 whereupon the spring 23 will act to move the rod 20 outwardly of the piston 10 thus permitting an inward movement of the piston 31 into the head 26. This leaves a space in the outer end 27 of the head 26 between the outer end of the piston 31 and the extreme outer end 27 of the head 26. The head 26 may now be forced into the supply of amalgam and a portion thereof Will be held within the space just referred to whereupon the head 26 may now be moved to a point adjacent or in the cavity to be filled and by pressing inwardly upon the operating handle 25 the rod 20 will be moved inwardly and consequently the reduced portion 21 thereof will impinge against the series of balls 34 which, in turn, will impinge against the member 32 and thus force the piston 31 outwardly of the head 26 as shown. To use the device as a plugger, the r-od 20 may now be locked within the bayonet slots by moving the pin 19 therein and twisting the same in conventional manner. This will, in turn, act to hold the piston 31 in its outer position as just described whereupon the device may be used as a plugger for the amalgam to force the same in conventional manner into the aforesaid cavity.
It will be apparent that the particular curvature of the neck 11 will allow the device to be utilized in the lling of tooth cavities which are normally difficult if not impossible to reach by conventional tools. It will also be seen that the series of balls 34 will act to transfer force applied to the handle 25 to the piston 31 as above described.
While but one form of the invention has been shown and described herein, it will be readily apparent to those skilled in the art that many minor modifications may be made without departing from the spirit of the invention or the scope of the appended claims.
What is claimed is:
- 1. A device of the character described comprising a hollow cylinder having a forward wall, a neck formed integrally with said wall and having a rear portion concentric with said cylinder and a curved forward portion, said neck and said wall having a passageway therethrough, a work head removably mounted on the free end of said neck, a piston reciprocally mounted in the outer end of the work head, a knurled head removably mounted on the rear end of said cylinder, a rod reciprocally mounted in said knurled head and having a reduced portion extending into said passageway, means for imparting movement from said rod to said piston, a handle on the outer end of said rod, said reduced portion forming a shoulder with the remainder of said rod, and a compression spring surrounding said reduced portion and bearing against said shoulder and said wall, said rod being provided with a pin extending transversely therethrough adjacent said handle, and within said knurled head is provided with a pair of bayonet slots for receiving said pin whereby to lock s-aid rod in its innermost position.
2. A device of the character described comprisingl a hollow cylinder having a forward wall, a neck formed integrally with said wall and having a rear portion concentric with said cylinder and curved forward portion,
said neck and said wall having a passageway therethrough, a work head removably mounted on the free end of said neck, a piston reciprocally mounted in the outer end of the work head, a knurled head removably mounted on the rear end of the cylinder, a rod reciprocally mounted in said knurled head and having a reduced portion extending into said passageway, means for imparting movement from said rod to said piston, and a handle on the outer end of said rod, said means comprising a plurality `of balls mounted in said passageway in abutting relation to each other.
References Cited in the le of this patent Number UNITED STATES PATENTS Name
US365821A 1953-01-03 1953-01-03 Combination amalgam carrier and plugger Expired - Lifetime US2696670A (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1516445B1 (en) * 1965-03-08 1970-10-15 Dentsply Internat Inc Device for filling tooth cavities with amalgam
US3816922A (en) * 1962-05-28 1974-06-18 C Thiel Amalgam dispenser and packer
US4218215A (en) * 1978-12-14 1980-08-19 Lancellotti Joseph J Amalgam carrier and condenser
US4515563A (en) * 1983-02-23 1985-05-07 Dungill Kenneth F Amalgam carrier
DE3708561A1 (en) * 1985-09-19 1988-09-29 Hirdes Ruediger Device for filling dental cavities
US5695339A (en) * 1995-05-12 1997-12-09 Abere; Dennis J. Method and apparatus for reattaching a detached crown of an installed dental bridge

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573547A (en) * 1946-04-10 1951-10-30 White S Dental Mfg Co Amalgam carrier

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2573547A (en) * 1946-04-10 1951-10-30 White S Dental Mfg Co Amalgam carrier

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3816922A (en) * 1962-05-28 1974-06-18 C Thiel Amalgam dispenser and packer
DE1516445B1 (en) * 1965-03-08 1970-10-15 Dentsply Internat Inc Device for filling tooth cavities with amalgam
US4218215A (en) * 1978-12-14 1980-08-19 Lancellotti Joseph J Amalgam carrier and condenser
US4515563A (en) * 1983-02-23 1985-05-07 Dungill Kenneth F Amalgam carrier
DE3708561A1 (en) * 1985-09-19 1988-09-29 Hirdes Ruediger Device for filling dental cavities
US5695339A (en) * 1995-05-12 1997-12-09 Abere; Dennis J. Method and apparatus for reattaching a detached crown of an installed dental bridge

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