US3836047A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antibiotic disc distributors
Assignee: Bpifrance Financement SA
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Filing: 1973-08-23
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Granted: 1974-09-17
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Expires: 1993-08-23
Abstract
Abstract A distributor for the simultaneous deposition of a plurality of discs or pastilles on a surface in a predetermined configuration comprises a base in relation to which a tube carries drum is adapted to turn in order to effect the extraction and positioning of a respective disc in line with a plurality of axial passages in the base, and also an operating button carrying axial ejection rods the rotation of which causes the drum to turn and the pressure of which effects the simultaneous ejection of the discs through the said passages.
Inventors
- 👤 D Lux
- 👤 C Darpentigny
- 👤 M Lesserteur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:10
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/06; C; C12; C12M; C12M99/00
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
262 words
A distributor for discs or pastilles, of the kind intended to deposit simultaneously on the surface of an agar medium a plurality of the said discs or pastilles in a predetermined configuration, comprising a base having an upper face and a lower face and also a plurality of suitably spaced ejection passages extending between the said faces; a tube carrier unit provided with a corresponding plurality of sockets for tubes containing the said discs or pastilles and with a plurality of guide bores, the said unit having a bottom face adapted to co-operate with the upper face of the base to effect, through the relative displacement of the said bottom face parallel to the said upper face, the extraction of a disc or pastille at the bottom of each of the tubes mounted in the said sockets and the positioning of the said disc in line with the top end of a corresponding ejection passage; a plurality of ejection rods each of which is received for axial sliding in one of the said guide bores for the purpose of co-operating with one of the said ejection passages in each case; and an operating element mounted for axial sliding at right angles to the upper face of the said base, the said operating element being kinematically associated with the said tube carrier unit and with the said ejection rods in such a manner as to make it possible to effect in succession the aforesaid relative displacement of the tube carrier unit and the penetration of the ejection rods through the said ejection passages.
Claim 2
Dependent Claim
262 words
A distributor for discs or pastilles, of the kind intended to deposit simultaneously on the surface of an agar medium a plurality of the said discs or pastilles in a predetermined configuration, comprising a base having an upper face and a lower face and also a plurality of suitably spaced ejection passages extending between the said faces; a tube carrier unit provided with a corresponding plurality of sockets for tubes containing the said discs or pastilles and with a plurality of guide bores, the said unit having a bottom face adapted to co-operate with the upper face of the base to effect, through the relative displacement of the said bottom face parallel to the said upper face, the extraction of a disc or pastille at the bottom of each of the tubes mounted in the said sockets and the positioning of the said disc in line with the top end of a corresponding ejection passage; a plurality of ejection rods each of which is received for axial sliding in one of the said guide bores for the purpose of co-operating with one of the said ejection passages in each case; and an operating element mounted for axial sliding at right angles to the upper face of the said base, the said operating element being kinematically associated with the said tube carrier unit and with the said ejection rods in such a manner as to make it possible to effect in succession the aforesaid relative displacement of the tube carrier unit and the penetration of the ejection rods through the said ejection passages.
Claim 3
Dependent Claim
78 words
A distributor according to claim 1, wherein the upper face of the base has extraction and positioning projections disposed on each side of each ejection passage of the said base in such a manner as to co-operate with the bottom of each tube received in the said tube carrier unit, for the purpose of effecting the extraction of a disc and retaining it in line with the corresponding ejection passage through the action of the said relative displacement.
Claim 4
Dependent Claim
77 words
A distributor according to claim 1, wherein the said base has a body of a generally cylindrical shape and the said tube carrier unit is a drum of generally cylindrical shape which is mounted for free rotation of the said base, the said drum being kinematically fixed in rotation to the said operating element by the said ejection rods and with the aid of a crown supporting the upper end of each of the said ejection rods.
Claim 5
Dependent Claim
73 words
A distributor according to claim 3, wherein the said base has a support ring adapted to be laid on the edge of a Petri dish or the like of circular shape, the said ring being screwed on the periphery of the body of the said base in such a manner as to permit the adjustment of the height of the distributor above the surface of the agar medium contained in the said dish.
Claim 6
Dependent Claim
57 words
A distributor according to claim 3, wherein the said drum has a first series of axial bores to receive each of the tubes, alternating with a second series of axial bores for the passage of the said ejection rods and the transmission to the drum, through the said rods, of the angular displacement of the said crown.
Claim 7
Dependent Claim
56 words
A distributor according to claim 3, wherein the said base has a first axial extension adapted to effect the external guiding of the drum in respect of rotation, and a second axial extension adapted to effect the guiding of the operating element in respect of movement of translation and the internal rotational guiding of the drum.
Claim 8
Dependent Claim
35 words
A distributor according to claim 3, comprising cam means adapted to impart the aforesaid rotation to the drum when an axial pressure in the direction of the base is applied to the said operating element.
Claim 9
Dependent Claim
47 words
A distributor according to claim 7, wherein the said cam means comprises a profiled groove co-operating with a pin, the said groove and the said pin being respectively solid with an axial extension of the said base and with an axial extension of the said operating element.
Claim 10
Dependent Claim
47 words
A distributor according to claim 7, wherein the said cam means comprises a profiled groove co-operating with a pin, the said groove and the said pin being respectively solid with an axial extension of the said operating element and with an axial extension of the said base.
Claim 11
Dependent Claim
22 words
A distributor according to claim 7, wherein the said operating element has a head mounted for free rotation on the aforesaid crown.
Claim 12
Dependent Claim
75 words
A distributor according to claim 1, wherein the said ejection rods comprise a push-rod adapted for sliding between a retracted position and a position of extension in the bottom end of a socket which by its top end is associated with the aforesaid operating element, the said push rod being loaded by a spring adapted to cause it to apply to the surface of the aforesaid agar medium a pressure lower than a predetermined value.
Claim 13
Dependent Claim
37 words
A distributor according to claim 11, wherein the free end of the said push rod is provided with a support shoulder having a radial width substantially equal to the thickness of the wall of the said sleeve.
Claim 14
Dependent Claim
127 words
A distributor according to claim 1, wherein the said tube carrier unit is mounted for free movement of translation on the upper face of the aforesaid base, between a position of rest in which the axis of each ejection passage of the said base is substantially in line with the axis of a corresponding socket in the said unit, and a working position in which the axis of the said passage is substantially in line with the axis of a corresponding guide bore in the said unit, and the said ejection rods are carried by a plate mounted on the said base in such a manner as to be able to slide in relation to the said base, parallel to the axis of the said ejection passages.
Claim 15
Dependent Claim
119 words
A distributor according to claim 13, wherein the upper face of the said base is provided, on each said of each of the said ejection passages, with projections adapted to co-operate with the tubes disposed in the said sockets, in order to effect the extraction and retention of a disc or pastille in line with each ejection passage when the tube carrier unit passes from its position of rest to its working position, and a face of the said unit which is adjacent to the said base has at least one groove adapted to co-operate with at least one corresponding said projection for the purpose of effecting the guiding of the said unit in respect of movement of translation.
Claim 16
Dependent Claim
141 words
A distributor according to claim 13, wherein the aforesaid operating element comprises an operating rod mounted for sliding on the said base between a position of rest and a working position, the said rod co-operating with an inclined plane on the said tube carrier unit in such a manner as to effect the translational movement of the said unit from one to the other of its two said positions when the said rod is caused to slide along a first portion of its operating travel, starting from the said position of rest, the said rod having at least one projection arranged to come into contact with the said plate in order to effect the displacemeNt of the plate conjointly with the displacement of the said rod along a second portion of the operating travel in the direction of its working position.
Claim 17
Dependent Claim
73 words
A distributor according to claim 13, wherein the said plate comprises two adjacent plates joined together, one of which is provided with sockets each of which is adapted to receive, with slight axial play, one of the ends of corresponding ejection rod, and the said ejection rods comprises a sleeve having an open end received in a corresponding one of the last-mentioned sockets, and also a compression spring disposed in the said sleeve.
Claim 18
Dependent Claim
83 words
A disc carrier tube for operating a distributor according to claim 1, the said tube comprising a generally cylindrical hollow body, an elastic element adapted to compress a stack of discs received in the second tube for the purpose of lateral extraction at the bottom of the latter, and a locking element interposed between the said elastic element and the said stack, and adapted to project from the bottom of the said tube after extraction of the last disc of the said stack.
Claim 19
Dependent Claim
42 words
A tube according to claim 17, wherein the said locking element comprises a cylindrical body of which one face bears against the said elastic element while its opposite face is extended coaxially in the form of a nipple having a rounded end.
Claim 20
Dependent Claim
225 words
A distributor for discs or pastilles of the kind intended to deposit simultaneously, on the surface of an agar medium, a plurality of the said discs in a predetermined configuration, comprising a base provided with a plurality of ejection passages, a tube carrier unit provided with a plurality of sockets for tubes containing the said discs or pastilles and with a plurality of guide bores, the said unit being adapted to move between two positions, in relation to the said base, in order to present in line with each of the said passages a corresponding socket or a corresponding bore, a plurality of ejection rods each of which is received for axial sliding in one of the aforesaid guide bores in order to co-operate with one of the said passages, and operating means adapted to effect the displacement of the said unit in relation to the said base and the displacement of the said ejection rods in relation to the said unit, the said base additionally comprising a plurality of locking bores each of which is adapted to co-operate with a locking element which may be provided in the said tubes in such a manner as to effect the locking of the said tube carrier unit in relation to the said base through the engagement of the said locking element in the said locking bore.
Claim 21
Dependent Claim
225 words
A distributor for discs or pastilles of the kind intended to deposit simultaneously, on the surface of an agar medium, a plurality of the said discs in a predetermined configuration, comprising a base provided with a plurality of ejection passages, a tube carrier unit provided with a plurality of sockets for tubes containing the said discs or pastilles and with a plurality of guide bores, the said unit being adapted to move between two positions, in relation to the said base, in order to present in line with each of the said passages a corresponding socket or a corresponding bore, a plurality of ejection rods each of which is received for axial sliding in one of the aforesaid guide bores in order to co-operate with one of the said passages, and operating means adapted to effect the displacement of the said unit in relation to the said base and the displacement of the said ejection rods in relation to the said unit, the said base additionally comprising a plurality of locking bores each of which is adapted to co-operate with a locking element which may be provided in the said tubes in such a manner as to effect the locking of the said tube carrier unit in relation to the said base through the engagement of the said locking element in the said locking bore.
Claim 22
Dependent Claim
43 words
A distributor according to claim 19, wherein the said locking bores are provided in line with the situation occupied by the said tubes in the said tube carrier unit when the said ejection rods are situated in line with the said ejection passages.
Claim 23
Dependent Claim
38 words
A distributor according to claim 19, wherein the said locking bores are open at their two ends for the purpose of permitting the detection of an empty tube by inspection of the bottom face of the said base.
References Cited (Backward Citations)
US3394846A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |