US1353039A

US1353039A - Anatomical bridge-articulator

Info

Publication number: US1353039A
Application number: US365262A
Authority: US
Inventors: Greenfield Leon
Original assignee: Individual
Current assignee: Individual
Priority date: 1920-03-12
Filing date: 1920-03-12
Publication date: 1920-09-14
Anticipated expiration: 1937-09-14

Description

L. G REENF|ELD. ANATOMICAL BRIDGE ARTICUL ATOR.

- APPLICATION FILED MAR- I2. I920- 1',a5a,oa9. I

Patented Sept. 14, 1920.

Q WWIW I .Lew; firaerzfiew @QW Q ATTORNEY WITNESS omrso STATE SfiP ATENT .QFFI E-I fLnon GREENFIELD,

omens YonK, -1\T..Y. I

ANATCMICAL imrnen-nnrrcnraroit- V ,1,353,o39. f 'f i i To all whom may concern." r

Be it known that I, LEON GREENFIELD, a citizen of the United States, residing at New York, in the county of New York and State of New York, have invented new and useful Improvements in Anatomical Bridge- Articulators, of which the following is a specification. I V

This invention relates to anatomical devices used in the practice of dentistry, and more particularly it relates to articulators.

'Some of the objects of the invention'are: to produce a device of the character men- .tioned which is comparatively inexpensive;

one which isreliably efiectuahone which is simple of construction and with which any dentist may perform a piece of work successfully since the device by reason of its construction maybe manipulated to obtain the precise and proper occlusion which thus permits and leads up to the obtainment of ultimate proper articulation with false teeth in the mouth of an individual by such individual.

- In the drawing forming a part of this specification Figure 1 is a perspective view of the device.

Fig. 2 is a central longitudinal sectional view. 7

Referring now tothe drawing, it will be seen, that the device consists of a pair of members 10'and 11 both of which are supported for movement by the member 12. The member 12 is U-shaped to provide a horizontally disposed connecting portion 12 and sides 14 which are disposed in parallelism in spaced relation. The member 10 is.

made up from a single piece of material. The member 10 has an opening 15 therein, and the side edges thereof converge toward the reduced extension 16. The extension 16 is provided with pintles 17 which are received in alining apertures 18 in the sides 14. Some of the material from'which the member 10 is made, is bent and formed to provide a stop 19 and a flexible or springlike extension 20 which is disposed'to coact with the portion 13 of the member 12.

The extension 20 permits of the movement of the member 10 within a certain arc. The extreme end of'the extension 16 by coming into engagement with the extension 20, which is in engagement with the portion 13,

limits the upward movement of the member 10, whereas, the extension 20 and the speeificafion of Letters fl un Patented "se t. 14,1920. v Application filed March 12, 1920. Serial m5. 365,262.

extension 16, in the movement of the member 10 downwardly, come together and engage the portion 13. thus-limiting the downward movement of the member 10. The member 10 is bent as at 21 and rebent as at 22. for a purpose to appear.

' The member 11 is made similarly to' the carried byth'e member 11 and co-actswith the stop 19, such feature together with'the fact that the U-shaped member .13, and the member 11. carried thereby, maybe moved upon the pintles 25 permits the obtainment of the proper occlusion in particular cases. The member 11 is bent as at 28', and rebent as at 29. This latter feature of construction which, as is known, is also true of the other member 10 give the desired spread or pitch between the major tooth plate or 7 bridge supporting portions of the members 10 and 11 and at the same time give an approximate average anatomization. By adjustment'of the screw 27, which as stated co-acts with the stop 19, and by shifting the member 11 and its supporting member 13,-

the precise and proper occlusion may be derived for the obtainment of the ultimate particularly desired articulation. What is claimed as new is 1. An anatomical articulator embodying a plurality of movable members, means ineluding a spring-like extension carried by one of said members, a portion of said extension'being in yielding contact with another of said members for yieldingly allowing two of said members to have a relative compound movement.

2. An anatomical articulator including pivotally mounted members having supporting portions, a support for the members, means includin a spring-like extension carried by one of said members, a portion of said extension being in yielding contact with the support for allowlng said pivoted members to have a relative compound movement, laterally, longitudinally and vertically.

V 3. An anatomical articulator, embodying a plurality of movable members, means i eluding a spring-like extension carried by one ofsaid members, a portion of said extension being in yielding contact with another of said members for yieldingly allowing two of said members to have a relative compound movement, laterally, longitudinally and vertically; and means for varying the distance of vertical movement of said members.

4. An anatomical articulator including a pair of pivoted members, an extension embodied by one of said members, said exten sion embodying a yieldable portion and a portion constituting'a stop, asupport for said members, theyieldable portion being in contact with said support for allowing thepivoted members to yield when closed toithe limit, and an adjusting means which coac'tsf with said stop for varying the distance of movement of said members toward each other. i p

5. An. anatomical articulator including pivoted members, a sprin-glike extension integral with one of said members, a support for said members with which support said extension is in yielding contact; the pivoted membershaving a relativecompound movement including the movement of one of said'members toward and away from the said supporting vportions.

other member, and means for varying the members, meanscarried by one of said membersadapted to 'coact with said support for yieldingly supporting one of said mem- .bers, a nd means including a coactingscrew and stop for l1m1t1ng the movement of one of said members toward the other member and for obtaining varying spreadsbetween,

7. An anatomical articulator including a pair of members havmg universal relative movement, and means for permitting'said movement of sald members including a sup- I porting member to which said members are plvoted, a sprlng-like extension integral with one of sand members engageable with said support, a stop on one of said members and an adjusting means carried by the other member. v

In testimony whereof vI have affixed my signature.

LEON GREENFIELD.