US3735492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental amalgam carrier
Assignee: Individual
•
Filing: 1971-07-29
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Granted: 1973-05-29
•
Expires: 1991-07-29
Abstract
Abstract A lever-type dental amalgam carrier in which the amalgam tips of the carrier are unitized operating ends and are rapidly interchangeable. Various embodiments of spring locks, insert locks, thread locks, twist locks, collet locks and swivel locks for mounting the amagam tips on the handle of the carrier are disclosed.
Inventors
- 👤 J Long Island Karter
- 👤 P Flushing Cullen
- 👤 P Cullen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:47
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/00593; A; A61; A61C; A61C5/00; A61C5/60; A61C5/62; B05C17/00503; B05C17/00516
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
135 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, an elongated clip member, fixed to the end of said amalgam tip adjacent said cylindrical member, extending longitudinally along the length of said cylindrical member and having a semicylindrical end member disposed perpendicular to the longitudinal axis of said clip on the end thereof, and a longitudinal bore disposed within said handle for receiving said cylindrical member, and a recess of substantially the same shape as said clip disposed in the exterior surface of said handle for receiving said clip and thereby detachably mounting said amalgam tip on said handle.
Claim 2
Dependent Claim
135 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, an elongated clip member, fixed to the end of said amalgam tip adjacent said cylindrical member, extending longitudinally along the length of said cylindrical member and having a semicylindrical end member disposed perpendicular to the longitudinal axis of said clip on the end thereof, and a longitudinal bore disposed within said handle for receiving said cylindrical member, and a recess of substantially the same shape as said clip disposed in the exterior surface of said handle for receiving said clip and thereby detachably mounting said amalgam tip on said handle.
Claim 3
Dependent Claim
125 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed on the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, a radially disposed recess provided in one end thereof, and a spring-loaded ball disposed in said recess, and a longitudinal bore disposed within said handle for receiving said cylindrical member, and an aperture radially disposed in said handle for alignment with said recess in said cylindrical member when said member is inserted in said handle, for receiving said spring-loaded ball and thereby detachably mounting said amalgam tip on said handle.
Claim 4
Dependent Claim
125 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed on the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, a radially disposed recess provided in one end thereof, and a spring-loaded ball disposed in said recess, and a longitudinal bore disposed within said handle for receiving said cylindrical member, and an aperture radially disposed in said handle for alignment with said recess in said cylindrical member when said member is inserted in said handle, for receiving said spring-loaded ball and thereby detachably mounting said amalgam tip on said handle.
Claim 5
Dependent Claim
157 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, a longitudinally disposed recess disposed adjacent said collar, and a semi-cylindrical recess provided in said longitudinal recess at one end thereof, and a longitudinal bore disposed within the handle for receiving said cylindrical member, a plurality of radially disposed apertures in the surface of said handle, and a rectangular-shaped pressure spring, disposed with said bore, having semi-cylindrical end members provided thereon whose ends are disposed in said radially disposed apertures for alignment with and reception in said semi-cylindrical recesses provided in said cylindrical member when said member is inserted in said handle and thereby detachably mounting said amalgam tip on said handle.
Claim 6
Dependent Claim
157 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, a longitudinally disposed recess disposed adjacent said collar, and a semi-cylindrical recess provided in said longitudinal recess at one end thereof, and a longitudinal bore disposed within the handle for receiving said cylindrical member, a plurality of radially disposed apertures in the surface of said handle, and a rectangular-shaped pressure spring, disposed with said bore, having semi-cylindrical end members provided thereon whose ends are disposed in said radially disposed apertures for alignment with and reception in said semi-cylindrical recesses provided in said cylindrical member when said member is inserted in said handle and thereby detachably mounting said amalgam tip on said handle.
Claim 7
Dependent Claim
111 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a threaded recess disposed longitudinally in the rearward end thereof, and a threaded cylindrical rod projecting longitudinally from one end of said handle, including a longitudinal recess disposed in the surface thereof and a nylon insert disposed in said longitudinal recess, for threadably engaging said recess in said cylindrical member and thereby detachably mounting said amalgam tip on said handle.
Claim 8
Dependent Claim
111 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a threaded recess disposed longitudinally in the rearward end thereof, and a threaded cylindrical rod projecting longitudinally from one end of said handle, including a longitudinal recess disposed in the surface thereof and a nylon insert disposed in said longitudinal recess, for threadably engaging said recess in said cylindrical member and thereby detachably mounting said amalgam tip on said handle.
Claim 9
Dependent Claim
112 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a threaded cylindrical rod disposed longitudinally from the rearward end of said cylindrical member, having a longitudinal recess provided in the surface thereof and a nylon insert disposed in said longitudinal recess, and a threaded longitudinal recess disposed in the end of said handle for threadably engaging said threaded cylindrical rod and thereby detachably mounting said amalgam tip on said handle.
Claim 10
Dependent Claim
112 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a threaded cylindrical rod disposed longitudinally from the rearward end of said cylindrical member, having a longitudinal recess provided in the surface thereof and a nylon insert disposed in said longitudinal recess, and a threaded longitudinal recess disposed in the end of said handle for threadably engaging said threaded cylindrical rod and thereby detachably mounting said amalgam tip on said handle.
Claim 11
Dependent Claim
133 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a longitudinally disposed recess in the rearward portion thereof, and a radially disposed projecting member affixed to the inner surface of said recess, and an elongated cylindrical projection longitudinally disposed from one end of said handle for slidable engagement in said recess of said cylindrical member and an L-shaped notch provided in the surface thereof for receiving said radially disposed projecting member when said handle is inserted in said recess and thereby detachably mounting said amalgam tip on said handle.
Claim 12
Dependent Claim
133 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a longitudinally disposed recess in the rearward portion thereof, and a radially disposed projecting member affixed to the inner surface of said recess, and an elongated cylindrical projection longitudinally disposed from one end of said handle for slidable engagement in said recess of said cylindrical member and an L-shaped notch provided in the surface thereof for receiving said radially disposed projecting member when said handle is inserted in said recess and thereby detachably mounting said amalgam tip on said handle.
Claim 13
Dependent Claim
188 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carryinG an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and an elongated cylindrical rod longitudinally disposed from the rearward end of said member, a longitudinally disposed cylindrical projection provided at one end of said handle having a threaded portion provided at the rearward end thereof adjacent the end of said handle, a tapered forward portion, a longitudinal bore, and a radially disposed slot extending partially through said cylindrical projection, for receiving said cylindrical rod provided on said first cylindrical member, and a second cylindrical member having a longitudinal bore having a threaded rear portion for engagement with the threaded portion of said cylindrical projection and a tapered forward section for slidable engagement with the forward portion of said cylindrical projection, for disposal between said first cylindrical member and said handle, over said cylindrical rod and projection, and thereby detachably mounting said amalgam tip on said handle.
Claim 14
Dependent Claim
188 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carryinG an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and an elongated cylindrical rod longitudinally disposed from the rearward end of said member, a longitudinally disposed cylindrical projection provided at one end of said handle having a threaded portion provided at the rearward end thereof adjacent the end of said handle, a tapered forward portion, a longitudinal bore, and a radially disposed slot extending partially through said cylindrical projection, for receiving said cylindrical rod provided on said first cylindrical member, and a second cylindrical member having a longitudinal bore having a threaded rear portion for engagement with the threaded portion of said cylindrical projection and a tapered forward section for slidable engagement with the forward portion of said cylindrical projection, for disposal between said first cylindrical member and said handle, over said cylindrical rod and projection, and thereby detachably mounting said amalgam tip on said handle.
Claim 15
Dependent Claim
159 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a longitudinal cylindrical rod disposed from the rearward portion thereof; a longitudinal cylindrical projection disposed from one end of said handle having a threaded outer surface and a longitudinal bore for slidably receiving said cylindrical rod, and a second cylindrical member having a tapered forward portion and a longitudinal cylindrical bore, the rear portion of which is threaded for engaging the threaded surface of said cylindrical projection and the front portion of which slidably engages the front portion of said first cylindrical member, for disposal over said first cylindrical member and said cylindrical projection on said handle, and thereby detachably mounting said amalgam tip to said handle.
Claim 16
Dependent Claim
159 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a longitudinal cylindrical rod disposed from the rearward portion thereof; a longitudinal cylindrical projection disposed from one end of said handle having a threaded outer surface and a longitudinal bore for slidably receiving said cylindrical rod, and a second cylindrical member having a tapered forward portion and a longitudinal cylindrical bore, the rear portion of which is threaded for engaging the threaded surface of said cylindrical projection and the front portion of which slidably engages the front portion of said first cylindrical member, for disposal over said first cylindrical member and said cylindrical projection on said handle, and thereby detachably mounting said amalgam tip to said handle.
Claim 17
Dependent Claim
175 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a spherical-shaped rear portion provided on the rear surface thereof, a longitudinal cylindrical projection disposed from one end of said handle and having a threaded outer surface and a semi-spherical recess provided in the end thereof for receiving said spherical-shaped rear portion of said first cylindrical member, and a second cylindrical member having a tapered forward portion and a longitudinal bore, the rear portion of which is threaded for engagement with the threaded outer surface of said cylindrical projection and the front portion of which is tapered for slidable engagement with the forward portion of said first cylindrical member, for disposal over said first cylindrical member and said cylindrical projection on said handle, and thereby detachably mounting said amalgam tip on said handle.
Claim 18
Dependent Claim
175 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member having a tapered forward portion slidably disposed over the end of said amalgam tip and rigidly affixed thereto, and a spherical-shaped rear portion provided on the rear surface thereof, a longitudinal cylindrical projection disposed from one end of said handle and having a threaded outer surface and a semi-spherical recess provided in the end thereof for receiving said spherical-shaped rear portion of said first cylindrical member, and a second cylindrical member having a tapered forward portion and a longitudinal bore, the rear portion of which is threaded for engagement with the threaded outer surface of said cylindrical projection and the front portion of which is tapered for slidable engagement with the forward portion of said first cylindrical member, for disposal over said first cylindrical member and said cylindrical projection on said handle, and thereby detachably mounting said amalgam tip on said handle.
Claim 19
Dependent Claim
195 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, and a longitudinal projecting member disposed from the rearward portion thereof, a second cylindrical member having a longitudinal bore for slidably receiving said longitudinal projecting member, a circular flange at one end thereof for engagement with said collar on said first cylindrical member, and a radially disposed threaded aperture provided in the surface thereof, a longitudinal bore provided in said handle for receiving said first and second cylindrical members, and a radially disposed aperture also provided in said handle for alignment with said threaded aperture in said second cylindrical member when said member is inserted in said handle and said flange abuts the end of said handle, and fastening means disposed through said aperture provided in said handle, for threadably engaging said threaded aperture in said second cylindrical member and thereby detachably mounting said amalgam tip on said handle.
Claim 20
Dependent Claim
195 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a first cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, and a longitudinal projecting member disposed from the rearward portion thereof, a second cylindrical member having a longitudinal bore for slidably receiving said longitudinal projecting member, a circular flange at one end thereof for engagement with said collar on said first cylindrical member, and a radially disposed threaded aperture provided in the surface thereof, a longitudinal bore provided in said handle for receiving said first and second cylindrical members, and a radially disposed aperture also provided in said handle for alignment with said threaded aperture in said second cylindrical member when said member is inserted in said handle and said flange abuts the end of said handle, and fastening means disposed through said aperture provided in said handle, for threadably engaging said threaded aperture in said second cylindrical member and thereby detachably mounting said amalgam tip on said handle.
Claim 21
Dependent Claim
43 words
The dental amalgam carrier as recited in claim 10, wherein said second cylindrical member has a rectangular-shaped longitudinal bore, and wherein said longitudinal projecting member on said first cylindrical member is rectangular shaped so as to be slidably received by said longitudinal bore.
Claim 22
Dependent Claim
43 words
The dental amalgam carrier as recited in claim 10, wherein said second cylindrical member has a hexagon-shaped longitudinal bore, and wherein said longitudinal projecting member on said first cylindrical member is hexagon shaped so as to be slidably received by said longitudinal bore.
Claim 23
Dependent Claim
42 words
The dental amalgam carrier as recited in claim 10, wherein said second cylindrical member has a cylindrical-shaped longitudinal bore, and wherein said longitudinal projecting member on said first cylindrical member is a cylindrical rod which is slidably received by said longitudinal bore.
Claim 24
Dependent Claim
112 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, and a longitudinal projecting member, disposed from the rearward portion thereof, a longitudinal bore for receiving said cylindrical member, and a radially disposed, threaded aperture, provided in said handle, and fastening means, disposed through and threadably engaging said aperture provided in said handle, and engaging said cylindrical member, thereby detachably mounting said amalgam tip on said handle.
Claim 25
Dependent Claim
112 words
A dental amalgam carrier, comprising: at least one lever-type amalgam tip for carrying and inserting the amalgam; a handle for carrying an amalgam tip at either end thereof; and a cylindrical member slidably disposed over the end of said amalgam tip and rigidly affixed thereto, said member having a collar disposed about and affixed thereto, and a longitudinal projecting member, disposed from the rearward portion thereof, a longitudinal bore for receiving said cylindrical member, and a radially disposed, threaded aperture, provided in said handle, and fastening means, disposed through and threadably engaging said aperture provided in said handle, and engaging said cylindrical member, thereby detachably mounting said amalgam tip on said handle.
Claim 26
Dependent Claim
77 words
The dental amalgam carrier as recited in claim 14, wherein said longitudinal projecting member further includes a triangular-shaped aperture, and wherein said threaded aperture in said handle is aligned with said triangular aperture in said projecting member when said member is inserted in said handle and said collar abuts the end of said handle, so that said fastening means engages said triangular aperture in said projecting member and thereby detachably mounts said amalgam tip on said handle.
References Cited (Backward Citations)
GB309333A
Cited
US2476793A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-28 | 1976-11-27 | 1977-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-28 | 1980-11-27 | 1981-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-28 | 1984-11-27 | 1985-05-29 | $7700.00 | Window Closed / Lapsed |