Abstract: A coffee brewing apparatus comprising a housing (1) including a water reservoir, a coffeepot arrangement position (2), a filter holder (3), an on/off subswitch (4) for switching the entire apparatus on and off, and a shut-off valve (5) connected with the filter holder (3) for closing the filter holder (3), the on/off subswitch (4) and the shut-off valve (5) being responsive to the presence/absence of a coffeepot (6) at the coffeepot arrangement position (2), and further comprising a filter holder support bracket (7) connected with the housing (1), which bracket (7) comprises an operating element (8) adapted for cooperation with the coffeepot (6) and for operation of the shut-off valve (5) on the one hand and the on/off subswitch (4) on the other, while the filter holder (3) is freely placeable on the filter holder support bracket (7) and, in the condition wherein it is placed on the filter holder support bracket (7), is locked in vertical direction by locking means (9, 10).

Abstract: The invention relates to a rapidly heating coffee making apparatus having a large capacity (1, 1.5 or 2 gallons) for use in canteens and the like, in which in a housing (1) the filter holder (6) is arranged above the coffee tank (7) and the spray head (5) is arranged directly above the filter holder, wherein the water reservoir (3) of the apparatus, adapted for the batchwise heating of water, is arranged directly above the spray head (5).

Abstract: A coffee filter for a coffee making apparatus, comprising a funnel or holder (1) for receiving a filter element containing ground coffee, said funnel having at least at its lower end an inclined wall section (2), an outflow opening (4) in said wall (2) for draining coffee brew into a container positioned under said funnel (1), a disc valve (18) for selectively closing said outflow opening (4), said valve (18) being controlled by control means comprising a slide (6) guided in a slit (5) provided in a vertical wall section (3) arranged opposite to said inclined wall section (2), said slide (6) having a grip (6') at the outer side and a cam (7) with an undulated surface (8), at the inner side of said vertical wall section (3), said disc valve (18) being connected to one end (17) of a lever (14), the other lever end (16) being designed as a cam follower cooperating with said undulating cam surface (8), a leaf spring (10) extending transversely across the space between the inclined wall section (2) and the vertica

Abstract: A control device for a valve (8) in the water supply conduit (7) of a reservoir (1), e.g. the water reservoir of a coffee machine, comprising a diaphragm (10) disposed in a reservoir wall and having an operating stud (11) for a tilting member (12, 40) swivelling between two end positions, the tilting member being associated with a bistable switch. The tilting member (12, 40) is retained in one, first end position by magnetic force (15), and is then in the path of motion of the operating stud (11). The swivelling movement of the tilting member (12, 40) to the other, second end position is used for operating a microswitch (18) incorporated in the control circuit of the valve (8).

Abstract: A float control for a pushbutton switch, including a float having a fixed pivot inside a float chamber, and a two-armed lever with a fixed fulcrum. One arm of the lever contacts the push-button switch for actuation thereof, said the other lever arm is connected to the float in a position spaced from the float. This other lever arm pivots in a manner allowing for relative pivoting and sliding movement, so that the lever does not impede any movement of the float, and any such float movement is fully translated into imparting control forces to the lever.

Abstract: In a coffee making apparatus, a throughflow heater for heating water to be passed to a filter, said heater being included in a water throughflow passage extending from a water reservoir to an outlet pipe extending over said filter, is made, at least in part, of transparent material to enable the user to see whether the heater is fouled with scale deposits so that cleaning is necessary. Safety is enhanced by making the heater of transparent heat resistant glass and using one or more heating elements of the submersible type therein.