Cylinder-and-piston assembly for a bottle attachment apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B67C-003/28
B67C-003/26
B67C-009/00
G01F-011/02
출원번호
US-0003028
(2016-01-21)
등록번호
US-9731953
(2017-08-15)
우선권정보
DE-20 2015 001 781 U (2015-03-09)
발명자
/ 주소
Hochholzer, Günter
Böhm, Dieter
Kneucker, Ottmar
Kurz, Markus
출원인 / 주소
BRAND GMBH + CO KG
대리인 / 주소
Safran, David S.
인용정보
피인용 횟수 :
0인용 특허 :
14
초록▼
A cylinder-and-piston assembly for a bottle attachment apparatus for handling liquids in which the stroke length of the piston of the cylinder-and-piston assembly is delimited by a stroke length stop when suctioning from the cylinder and is delimited by a readjustment stop when exhausting into the c
A cylinder-and-piston assembly for a bottle attachment apparatus for handling liquids in which the stroke length of the piston of the cylinder-and-piston assembly is delimited by a stroke length stop when suctioning from the cylinder and is delimited by a readjustment stop when exhausting into the cylinder. The readjustment stop is disposed on the piston or on the cylinder housing and interacts with a fixed stop. The readjustment stop is accessible and adjustable by way of a removable seal. The seal is connected by way of ribs to a piston bearing. The readjustment stop is disposed below this removable seal. The seal has a molding and the piston bearing has a counter molding. Displacement of the seal in relation to the piston bearing moves the seal in the longitudinal direction, and by this movement, the seal is removed in a manner that preferably is not capable of re-assembly.
대표청구항▼
1. A cylinder-and-piston assembly for a bottle attachment apparatus for handling liquids, comprising: a cylinder-and-piston assembly for suctioning and exhausting liquid,a valve block assembly, anda fastening assembly for fastening valve block assembly on a storage bottle,wherein the cylinder-and-pi
1. A cylinder-and-piston assembly for a bottle attachment apparatus for handling liquids, comprising: a cylinder-and-piston assembly for suctioning and exhausting liquid,a valve block assembly, anda fastening assembly for fastening valve block assembly on a storage bottle,wherein the cylinder-and-piston assembly has a cylinder which is attachable to the valve block assembly, a central axis that defines a longitudinal direction, a piston which is displaceable in a sealed manner in the longitudinal direction in the cylinder, and a cylinder housing which is connected to the piston and externally encompasses the cylinder by way of an internal side which faces the cylinder and of an external side which faces away from the cylinder,wherein the piston is displaceable in the cylinder by displacing the cylinder housing, and wherein a stroke length of the piston in the cylinder is delimited by a fixed stop which interacts with a stroke length stop on the cylinder housing and is disposed on the cylinder,wherein the stroke length of the piston when suctioning from the cylinder is delimited by the stroke length stop and when exhausting into the cylinder is delimited by a readjustment stop which is disposed on the piston or on the cylinder housing and interacts with the fixed stop,wherein the readjustment stop is accessible and adjustable by way of a removable seal,wherein the seal is connected by way of ribs to a piston bearing,wherein the readjustment stop is disposed below the removable seal, andwherein the seal has a molding and the piston bearing has a counter molding, and displacement of the seal in relation to the piston bearing moves the seal in the longitudinal direction, the seal being hereby removed. 2. The cylinder-and-piston assembly as claimed in claim 1, wherein the seal is removable by a rotational movement which is performed in relation to the piston bearing. 3. The cylinder-and-piston assembly as claimed in claim 2, wherein the seal in relation to the piston bearing is removable by way of the molding and counter molding in a direction perpendicular to the rotation axis. 4. The cylinder-and-piston assembly as claimed in claim 2, wherein the seal is removable by means of a tool. 5. The cylinder-and-piston assembly as claimed in claim 2, wherein the seal is removable in a manner preventing re-assembly. 6. The cylinder-and-piston assembly as claimed in claim 1, wherein the molding on the seal has an external taper and the counter molding on the piston bearing has an internal taper, or vice versa. 7. The cylinder-and-piston assembly as claimed in claim 1, wherein the molding and counter molding are mutually engaging teeth which are directed so as to be axial to the longitudinal direction. 8. The cylinder-and-piston assembly as claimed in claim 1, wherein the seal has a contour which is connectable to a tool in a form-fitting manner, and that the seal is removed by the tool which is connected by way of the contour. 9. The cylinder-and-piston assembly as claimed in claim 8, wherein the contour on the seal in relation to the molding and counter molding is disposed so as to be centric or eccentric. 10. The cylinder-and-piston assembly as claimed in claim 1, wherein the piston bearing on the upper side thereof is provided with a depression, and the seal is disposed in the depression so as to be flush with the upper side of the piston bearing or so as to be slightly depressed. 11. The cylinder-and-piston assembly as claimed in claim 1, wherein the ribs are provided on the seal and on the piston bearing and have default breaking points. 12. A cylinder-and-piston assembly for a bottle attachment apparatus for handling liquids, comprising: a cylinder-and-piston assembly for suctioning and exhausting liquid,a valve block assembly, anda fastening assembly for fastening the valve block assembly on a storage bottle,wherein the cylinder-and-piston assembly has a cylinder which is attachable to the valve block assembly, a central axis that defines a longitudinal direction, a piston which is displaceable in a sealed manner in the longitudinal direction in the cylinder, and a cylinder housing which is connected to the piston and externally encompasses the cylinder by way of an internal side which faces the cylinder and of an external side which faces away from the cylinder,wherein the piston is displaceable in the cylinder by displacing the cylinder housing,wherein a stroke length of the piston in the cylinder is delimited by a fixed stop which interacts with a stroke length stop on the cylinder housing and is disposed on the cylinder,wherein the stroke length of the piston when suctioning from the cylinder is delimited by the stroke length stop and when exhausting into the cylinder is delimited by a readjustment stop which is disposed on the piston or on the cylinder housing and interacts with the fixed stop,wherein the readjustment stop is accessible and adjustable by way of a removable seal,wherein the seal is disposed on a piston bearing,wherein the piston is inserted in a receptacle opening of the piston bearing, andwherein a ventilation opening is disposed below the seal and opens into the receptacle opening. 13. The cylinder-and-piston assembly as claimed in claim 12, wherein an insert which covers the ventilation opening even when the seal is removed is disposed below the seal. 14. The cylinder-and-piston assembly as claimed in claim 12, wherein the readjustment stop is disposed below the removable seal, wherein the seal has a molding and the piston bearing has a counter molding, and wherein displacement of the seal in relation to the piston bearing moves the seal in a movement in the longitudinal direction, the seal being removed thereby. 15. A bottle attachment apparatus for handling liquids, comprising: a cylinder-and-piston assembly for suctioning and exhausting liquid,a valve block assembly, anda fastening assembly for fastening the valve block assembly on a storage bottle,wherein the cylinder-and-piston assembly has a cylinder which is attachable to the valve block assembly, a central axis that defines a longitudinal direction, a piston which is displaceable in a sealed manner in the longitudinal direction in the cylinder, and a cylinder housing which is connected to the piston and externally encompasses the cylinder by way of an internal side which faces the cylinder and of an external side which faces away from the cylinder,wherein the piston is displaceable in the cylinder by displacing the cylinder housing,wherein a stroke length of the piston in the cylinder is delimited by a fixed stop which interacts with a stroke length stop on the cylinder housing and is disposed on the cylinder,wherein the stroke length of the piston when suctioning from the cylinder is delimited by the stroke length stop and when exhausting into the cylinder is delimited by a readjustment stop which is disposed on the piston or on the cylinder housing and interacts with the fixed stop,wherein the readjustment stop is accessible and adjustable by way of a removable seal,wherein the seal is connected by way of ribs to a piston bearing,wherein the readjustment stop is disposed below the removable seal, andwherein the seal has a molding and the piston bearing has a counter molding, and displacement of the seal in relation to the piston bearing moves the seal in the longitudinal direction, the seal being removed thereby. 16. A bottle attachment apparatus for handling liquids, comprising: a cylinder-and-piston assembly for suctioning and exhausting liquid,a valve block assembly, anda fastening assembly for fastening the valve block assembly on a storage bottle,wherein the cylinder-and-piston assembly has a cylinder which is attachable to the valve block assembly, a central axis that defines a longitudinal direction, a piston which is displaceable in a sealed manner in the longitudinal direction in the cylinder, and a cylinder housing which is connected to the piston and externally encompasses the cylinder by way of an internal side which faces the cylinder and of an external side which faces away from the cylinder,wherein the piston is displaceable in the cylinder by displacing the cylinder housing,wherein a stroke length of the piston in the cylinder is delimited by a fixed stop which interacts with a stroke length stop on the cylinder housing and is disposed on the cylinder,wherein the stroke length of the piston when suctioning from the cylinder is delimited by the stroke length stop and when exhausting into the cylinder is delimited by a readjustment stop which is disposed on the piston or on the cylinder housing and interacts with the fixed stop,wherein the readjustment stop is accessible and adjustable by way of a removable seal,wherein the seal is disposed on a piston bearing,wherein the piston is inserted in a receptacle opening of the piston bearing, andwherein a ventilation opening is disposed below the seal and opens into the receptacle opening.
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