Dispensing – With discharge assistant – Fluid pressure
Patent
1991-07-11
1993-01-05
Kashnikow, Andres
Dispensing
With discharge assistant
Fluid pressure
137212, 137322, 141352, 141354, 141357, 222394, 251 89, 251319, 251325, B65D 8300
Patent
active
051762986
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a tap head for keg fittings.
BACKGROUND OF THE INVENTION
A tap head of this type is known from DE-OS 23 45 435. Similar tap heads are described in GB 21 76 466, DE-GM 77 28 989 and FR 20 32 090.
An essential component of generic tap heads is the slide which is moved by the actuating lever and which has to be locked in place in two different end positions in view of the function of the tap head. Up to now, the slide has been locked in place with the aid of interlocking detent means, of which one, for example in the form of a detent bolt, is biased towards the locked position by a special spring. The construction of the locking means is, therefore, relatively complicated and, consequently, susceptible to breakdown.
The object of the invention is to improve a generic tap head such that it is easy and inexpensive to produce and operates free of trouble over a longer period of time.
Tap heads made of plastic are known in principle from DE-GM 79 33 172 and DE-OS 33 07 489. These are, however, tap heads of a different type which do not require any spring locking means and so the problem underlying the invention is not posed in these publications.
It is also known to use spring snap elements, some of which are made from plastic, in tap devices of a different generic type (DE-GM 75 22 568, DE-OS 34 29 559, DE-OS 20 34 311 and DE-OS 25 15 498). Insofar as the snap elements of these tap devices interact at all with additional parts of the device and not only with drink cans, these are permanent locking devices which, in contrast to the slide of the generic tap head, do not need to be continually released.
BRIEF DESCRIPTION OF THE DRAWINGS
The following description of preferred embodiments of the invention serves to explain the invention in greater detail in conjunction with the attached drawings, in which
FIG. 1 is a sectional view of a tap head for keg fittings;
FIG. 2 is a part-sectional plan view of the tap head along line 2--2 in FIG. 1;
FIG. 3 is a sectional view along line 3--3 in FIG. 2;
FIG. 4 is a partial view similar to FIG. 1 of a different embodiment of a tap head and
FIGS. 5 and 6 are partial views similar to FIG. 1 of two, again, different embodiments of a tap head.
DESCRIPTION OF THE PREFERRED EMBODIMENT
The tap head for keg fittings illustrated in FIGS. 1 to 3 essentially consists of the following parts: A housing 1 comprising a pipe connection 2 for introducing pressure gas, e.g. compressed air or CO.sub.2, and a sliding guide means 3 which is known per se and is arranged on the underside of the housing 1 for enabling the housing 1 to be pushed in the known manner onto the keg fittings of a barrel, for example a beer barrel, so that tap head and keg fittings are securely connected with one another.
A more or less hollow cylindrical slide 4 is displaceable in the housing 1 in the direction of the longitudinal axis of this housing. The slide 4 extends upwardly as far as a pipe connection 5 for the liquid to be tapped, for example beer. A valve body 6 is loosely arranged in the interior of the slide 4. This valve body interacts with a valve seat 7 on the slide 4 and forms a check valve for the tapped beer. The valve body 6 has, as illustrated, four projecting vanes 8 which effect guidance of the body 6 in the circular-cylindrical hollow chamber of the slide 4. The valve body 6 is freely movable in the slide 4. It could also be biased by a return spring.
An actuating lever 11 is pivotally mounted on the housing 1 by means of a horizontal through bolt 9. The lever has a relatively spacious recess 12 in the region of the housing 1 (cf. FIG. 2), with which it encircles the upper portion of the housing such that it is pivotable from the upper position illustrated by a solid line in FIG. 1 into a lower position illustrated by a dash-dot line. In the region of the recess 12 two pins 13, 14 project inwardly from the actuating lever 11 and engage in recesses 15 and 16, respectively, of a crossarm 17 integrally formed on the slide 4. When the actuating lev
REFERENCES:
patent: 3672390 (1972-06-01), Gravesteijn
patent: 4125209 (1978-11-01), Bailey
patent: 4181143 (1980-01-01), Fallon
patent: 4538746 (1985-09-01), Hines
patent: 4612952 (1986-09-01), Fallon
patent: 4828147 (1989-05-01), Wiedmann
Mogler Joachim
Wiedmann Helmut
Kashnikow Andres
Kaufman Joseph A.
Mogler Joachim
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