US1856807A - Dental burr cabinet - Google Patents

Description

y 3, 1932- 1.. M. CIBOCH 1,856,807

DENTAL BURR. CABINET Filed Sept 20, 1930 l 5 Sheets-Sheet l Inventor By EMMA A Home y y 1932. M. CIBOCH 1,356,807

DENTAL BURR CABINET Filed Sept. 20, 1930 3 Sheets-Sheet 2 97 M a? 9 as 6' 5 I 1 If f l I HD8710) 27 v .LM 6'27/0 0% A llorney May 3, 1932. L. M. CIBOCH DENTAL BURR CABINET Filed Sept. 20, 1930 5 Sheets-Sheet 3 In'venlor A Ilomey Patented May 3, 1932 PATET FF1E LEWIS M. CIBOCH, OF BROOKFIELD, ILLINOIS DENTAL BURR CABINET Application filed September 20, 1930. Serial No. 483,350.

The present invention relates to a dental burr cabinet of the general character illustrated and described in United States Patent No. 1,731,705 issued to me on October 15, 1929, and upon which this invention constitutes an improvement.

An important object of this invention is to provide, in a manner as hereinafter set forth, a dental burr cabinet of the aforementioned character embodying a housing in which is mounted for rotation in a horizontal plane a drum having formed therein a series of circumferentially spaced radiating pockets for the reception of different sizes and types of dental burrs, the invention further including novel means for selectively removing the burrs from their pockets for use.

Other objects of this invention are to provide a dental burr cabinet of the character described which will be simple in construction, strong, durable, eflicient in use and which may be manufactured at low cost.

All of the foregoing and still further objects and advantages of the invention may become apparent'from a study of the following specification, taken in connection with the accompanying drawings wherein like characters of reference designate corresponding parts throughout the several views, and wherein Figure 1 is a view in top plan of a dental burr cabinet constructed in accordance with the present invention.

Figure 2 is a view in front elevation thereof. 7

Figure 3 is a vertical longitudinal sectional view through the device. a

Figure 4 is a horizontal sectional view through the device showing the pocketed drum in top plan.

Figure 5 is a fragmentary view in elevation showing the outer periphery of the drum.

Figure 6 is a detail view in section taken substantially on the line 6-6 of Figure 3.

Figure 7 is a detail sectional view taken substantially on the line 77 of Figure 3.

Figure 8 is a fragmentary vertical sectional view taken substantially on the line 8-8 of Figure 1.

Referring to the drawings in detail, it will be seen that the reference numeral 1 designates a horizontally disposed base which includes the integral depending peripheral flange 2. A housing 3 is mounted on the base and is provided with an out turned apertured flange 1 which rests on the base 1 and is anchored thereto by the screws 5. As clearly seen in Figure 3 of thedrawings, the base 1 constitutes the closure for the bottom of the housing 3. The top wall of the housing 3 is provided with a centrally apertured raised central portion 6.

c A centrally disposed bearing 8 is disposed in vertical position on the base 1 and extends above and below the horizontal portion of said base 1. The bearing 8, is of circular horizontal cross section and has formed therein a transverse slot or passage 9 having its upper wall above the horizontal plane of the horizontal portion of the base 1 and its lower wall spaced below the horizontal plane of the horizontal portion of the base 1. Also formed inthe horizontal portion of the base 1 and spaced concentrically from the bearing 8 is an annular channel 10 the purpose of which will be presently set forth. An upstanding annular sleeve 11 constituting a bearing is rigidly mounted on the base 1 in spaced, concentric relation to the bearing 8 through the medium of the screws 12 which pass through an apertured inturned flange on the lower end of the sleeve 11 and are anchored in the base 1.

' A drum supporting disk 13 is mounted for rotation in a horizontal plane on the upper end. of the bearing 8 and has formed integrally on its lower side the depending ring 1% for the reception of the upper end portion of the bearing 8. The depending ring 14 constitutes means for preventing any lateral movement of the drum supporting disk 13 relative to the bearing 8 as will be readily apparent. The drum supporting disk 13 fits rotatably in the centrally disposed raised portion 6 of the housing 3. The drum supporting disk 13 also has formed integrally on its upper side an upstanding shank which projects rotatably through the central opening in the raised portion 6 and has fixed thereon the operated knob 15.

An annular horizontally disposed drum 16 is disposed in the housing 3 and rotatably encircles the bearing sleeve 11. The drum 16 is rigidly connected to the marginal portion of the disk 13 on the lower side of said disk by the screws 17 extending through apertures provided therefor in the disk 13 and anchored in the inner marginal port-ion of the drum 16. It will thus be seen that when the disk 13 is manually rotated through the medium or the knob 15, the drum 16 will be rotated in the housing 3.

The drum 16 has formed therein a series of circumferentially spaced, radially disposed, alternately long and short pockets 18 which extend inwardly from the outer periphery of the drum and terminate in spaced relation to the inner periphery of said drum. The pockets 18 are opened at their top and are adapted to be successively brought into registry with the radially extending elongatedinlet opening 19 formed in the upper wall of the housing 3, the opposite side walls of the inlet opening converging downwardly as best seen in Figure 8 of the drawings. The inlet opening 19 extends through an upstanding rib 20 formed integrally on top of the housing 3 and extending from the central raised portion 6 to the outer periphery of the housing. A closure 21 is pivotally mounted as at 22 for swinging movement in a horizontal plane and for disposition over the inlet slot 19. A knob 23 is mounted on the closure 21 for operating said closure.

At their lower ends the pockets 18 are closed by a fiat metallic ring 24 which is secured in any suitable manner to the lower side of the drum 16 for rotation therewith, said plate 24: also rotatably encircling the bearing sleeve 11 at the lower end portion of said sleeve 11. On its lower side and adjacent its inner periphery the plate 24 has formed thereon an annular series of teeth 25 against rotation.

The bearing sleeve 11 has formed in its lower end and at one side a notch 28 which is in radial alignment with an outlet opening 29 in the housing 3. Passages 30 extend from the inner periphery of the drum 16 to ii the inner ends of each of the pockets 18, said passages 30 being adapted to be brought suc cessively into communication with the notch 28 in the bearing sleeve 11 upon rotation of the drum. It will be noted that the passages 30 and the outlet opening 29 communicate with the lower ends of the pockets 18 when the drum 16 is rotated.

As best seen in Figure 5 of the drawings, the outer periphery of the drum is provided with a series of pocket indicating numerals I 31 disposed adjacent the pockets which said numerals designate, and, (see Figure 2) the housing 3 is provided with a window 32 above and slightly to one side of the outlet opening 29 through which the numerals 31 may be observed.

A rod 33 extends slidably into the base 1 at a point below the outlet opening 29 and is operable through the slot 9 in the bearing 8. A bearing 34 is provided in the flange portion 2 of the base 1 through which the rod 33 slidably passes and a depending bearing 35 is provided beneath the horizontal portion of the base 1 for slidably supporting the inner end portion of the rod 33. A coil spring36 encircles the rod 33 and has its inner end fastened to said rod and its outer end in abutting engagement with the bearing 34 in a manner to yieldingly urge said rod inwardly toward inoperative position. An operating knob 37 is fixed on the outer end of the rod An upstanding arm 38 is fixed on the inner end portion of the slidable rod 33 and is adapted for movementthrough the slot 9 in a horizontal plane. The arm 38 is adapted to seatin a recess 39 formed in the horizontal portion of the base 1 and communicating with the slot 9 in the bearing 8. An ejector pin 10 is fixed on the upper end portion of the arm 38 and is disposed in spaced parallelism with the slidable rod 33. The ejector pin 40 projects from the arm 38 through the slot 9 and has its free end portion disposed in the notch 28 when said ejector pin is in inoperative position. As will be apparent, when the rod 33 is pulled outwardly against the tension of the coil spring 36, the arm 38 will move into the slot 9 from the notch 39 and the pin 40 will be projected through the passage 30 which is in communication with the notch 28 and into the adjacent pockets 18.

The dental burrs of various types and sizes are placed in the proper pockets 18, if clesired, a suitable chart may be provided whereby it may be expeditiously determined through the medium of the designating numerals 31 in which pockets the desired types or sizes of burrs are disposed. When this has been determined the drum 16 is rotated through the medium or" the arm 15 and the disk 13 until the correct numeral appears in the window 32 and in this position the pockets 18 which contain the desired burr will have been brought into communication with the outlet opening 29 and the passage 30 of said pocket'will be in communication with the notch 28. Thus, the pin 40 will be projected into the adjacent pocket 18 through the passage 30 upon manual operation of the rod 33 and the lowermost burr in said pocket will be ejected through the outlet opening 29. As before explained, the spring pressed detent 26 releasably secures the drum 16 against rotation. The teeth 25 are so spaced that the detent 26 will bring one of the poohets 18 into registry with the outlet opening 29 at all times when rotation of the drum 16 is stopped. As will be readily apparent the spring 36 automatically returns the ejector pin 40 to retracted or inoperative position.

\Vhen it is desired to replace the burrs in the pockets 18 the cover 21 is swung in a horizontal position on the pivot pin 22 in a manner to uncover the inlet slot or opening 19. Thedrum 16 is rotated in a manner to bring the desired pocket beneath the inlet slot or opening 19 and the burr is deposited in said pocket in an obvious manner. The correct pocket in which the burr is to be replaced is determined by consulting the aforementioned chart and through the medium of the indicating numerals 31. After the device has been used over a period of time the necessity for consulting the chart usually decreases.

It is believed that the many advantages of a dental burr cabinet constructed in accordance with this invention will be readily understood, and although the preferred embodiment of the invention is as illustrated and described, it is to be understood that changes in the details of construction may be had which will fall within the scope of the invention as claimed.

hat is claimed is 1. A dispensing cabinet of the character described comprising a supporting base, a housing mounted on the base, a centrally disposed bearing mounted vertically on the base and having a transverse slot therethrough extending above and below the base, an upstanding bearing sleeve rigidly mounted on the base in spaced, concentric relation to the first named bearing, a horizontally disposed drum rotatably encircling the bearing sleeve and having a series of circumferentially spaced, radially disposed, alternately long and short pockets extending thereinto from its outer periphery and terminating in spaced relation to its inner periphery, said pockets being opened at their top, bottom and outer ends, said pockets being further adapted for the reception of articles to be dispensed, the housing being provided with an outlet opening, said pockets being further adapted tosuccessively communicate with the outlet opening when the drum is rotated, the drum being further provided with a plurality of radial passages communicating, at one end, with the inner periphery of the drum and at their outer ends with the inner ends of the} pockets, the bearing sleeve being provided with a notch in transverse alignment with the slot in the first named bearing and the outlet opening in the housing, said notch being further adapted to communicate with the passages in the drum when said drum is rotated, a flat annular plate rigidly mounted on the lower side of the drum and rotatably encircling the bearing sleeve, said plate extending over the lower ends of the pockets and constituting a bottom wall for said pockets, an annular series of teeth on the lower side of the plate, a spring pressed detent mounted for vertical reciprocation in the supporting base and engageable with the teeth in a manner to releasably retain the drum against rotation, a disk rotatably mounted on the upper end of the first named bearing in the housin and rigidly connected to the drum, an operating knob fixed on the disk for manually rotating said disk and the drum, and a slidable ejector mounted on the supporting base for movement into the pockets in a manner to eject the articles from said pockets through the outlet opening in the housing. 1

2. A dispensing cabinet of the character described comprising a supporting base, a housing mounted on the base, a centrally disposed bearing mounted vertically on the base and having a transverse slot therethrough extending above and below the base, an upstanding bearing sleeve rigidly mounted on the base in spaced, concentric relation to the first named bearing, a horizontally disposed drum rotatably encircling the bearing sleeve and having a series of circumferentially spaced, radially disposed, alternately long and short pockets extending thereinto from its outer periphery and terminating in spaced relation to its inner periphery, said pockets being opened at their top, bottom and outer ends, said pockets being further adapted for the reception of articles to be dispensed, the housing being provided with an outlet open ing, said pockets being further adapted to successively communicate with the outlet opening when the drum is rotated, the drum being further provided with a plurality of radial passages communicating, at one end, with the inner periphery of the drum and at their outer ends with the inner ends of the pockets, the bearing sleeve being provided with a notch in transverse alignment with the slot in the first named bearing and the outlet opening in the housing, said notch being further adapted to communicate with the passages in the drum when said drum is rotated, a fiat annular plate rigidly mounted on the lower side of the drum and rotatably encircling the bearing sleeve, said plate extending over the lower ends of the pockets and constituting a bottom wall for said pockets, an annular series of teeth on the lower side of the plate, a spring pressed detent mounted for vertical reciprocation in the supporting base and engageable with the teeth in a manner to releasably retain the drum against rotation,a disk rotatably mounted on the upper end of the first named bearing in the housing and rigidly connected to the drum, an operating knob fixed on the disk for manually rotating said disk and the drum, and a slidable ejector mounted on the supporting base for lllOVQl'll'Ellt into the pockets in a manner to eject the articles from said pockets through the outlet opening in the housing, said ejector comprising a horizontally disposed bar slidably mounted in the supporting base and operable through the lower portion of the slot in the first named bearing, a knob on one end portion of the slidable rod tor manually moving said rod in one direction, a coil spring operatively connected with the rod for moving the said rod in the other direc tion, an upstanding arm fixed on the other end portion of the rod and operable through the slot in the first named bearing, an ejector pin fixed on the upper end portion of the arm and projecting therefrom in spaced parallelism with the slidable rod for movement with said slidable rod, said ejector pin extending through the slot in the first named bearing for movement through the notch in the bearing sleeve and the passage in the drum which is in communication with said notch into the adjacent pocket in the drum for engagement with the article in said pocket.

3. A dispensing cabinet of the character described comprising a supporting base, a housing mounted on the base, a centrally disposed bearing mounted vertically on the base and having a transverse slot therethrough extending above and below the base, an upstanding bearing sleeve rigidly mounted on the base in spaced, concentric relation to the first named bearing, a horizontally disposed drum rotatably encircling the bearing sleeve and having a series of circumferentially spaced, radially disposed, alternately long and short pockets extending thereinto from its outer periphery and terminating in spaced relation to its inner periphery, said pockets being opened at their top, bottom and outer ends, said pockets being further adapted for the reception of articles to be dispensed, the housing being further provided with an outlet opening, said pockets being further adapted to successively communicate with the outlet opening when the drum is rotated, the drum being further provided with a plurality of radial passages communicating, at one end, with the inner periphery of the drum and at their outer ends with the inner ends of the pockets, the bearing sleeve being provided with a notch in transverse alignment with the slot in the first named bearing and the outlet opening in the housing, said notch being further adapted to communicate with the passages in the drum when said drum is rotated, a flat annular plate rigidly mounted on the lower side of the drum and rotatably encircling the bearing sleeve, said plate extending over the lower ends of the pockets and constituting abottom wallior said pockets, an annular series of teeth on the lower side of the plate, a spring pressed cletent mounted for vertical reciprocation in the supporting base and engageable with the teeth in a manner to releasably retain the drum against rotation, a disk rotatably mounted on the upper end of the first named bearing in the housing and rigidly connected to the drum, an operating knob fixed on the disk for manually rotating said disk and the drum, and a slidable ejector mounted on the supporting base for movement into the pockets in a manner to eject the articles from said pockets through the outlet opening in the housing, said ejector comprising a horizontally disposed bar slidably mounted in the supporting base and operable through the lower portion of the slot in the first named bearing, a knob on one end portion of the slidable rod for manually moving said rod in one direction, a coil spring operatively connected with the rod for moving the said rod in the other direction, an upstanding arm fixed on the other end portion of the rod and operable through the slot in the first named bearing, an ejector pin fixed on the upper end portion of the arm and projecting therefrom in spaced parallelism with the slidable rod for movement with said slidable rod, said ejector pin extending through the slot in the first named bearing for movement through the notch in the bearing sleeve and the passage in the drum which is in communication with said notch into the adjacent pocket in the drum for engagement with the article in said pocket, said housing being further provided with a radially disposed, elongated inlet opening in its upper side, and a hinged closure pivotally mounted for swinging movement in a horizontal plane on the upper side of the housing and adapted for disposition over the inlet opening, the pockets in the housing being adapted for registry with the inlet opening simultaneously with the registry of said pockets with the outlet opening of the housing.

In testimony whereof I affix my signature.

LEWVIS M. CIBOCH.

Images