1. Brewing device for a coffee maker, comprising:
a brewing chamber adapted to receive a coffee powder portion and constituted by an upper brewing chamber portion and a lower brewing chamber portion;
said lower brewing chamber portion including a chamber for receiving said coffee powder portion, and said upper brewing chamber portion including a closure element adapted to close said chamber in said lower brewing chamber portion;
said upper brewing chamber portion comprising an inner element provided with said closure element, and an outer element coaxially disposed and axially movable with regard to said inner element;
said lower brewing chamber portion being adapted to be fixed to said outer element of said upper brewing chamber portion;
said outer element of said upper brewing chamber portion comprising an operating lever pivotally fixed thereto;
said operating lever being operationally connected to said inner element of said upper brewing chamber portion by an actuating member disposed eccentrically to the axis of rotation of said operating lever to cause an axial relative movement between said inner element and said outer element of said upper brewing chamber portion upon pivoting said operating lever.
2. Brewing device according to claim 1 in which said actuating member is arranged on said operating lever such that the force contact point of the actuating member on the operating lever wanders from one side of the axis of rotation of the operating lever to the other side of the axis of rotation of the operating lever once the operating lever is pivoted from an open position to a closed position, said operating lever taking a self-locking position in the closed state of the brewing device.
3. Brewing device according to claim 1 in which the bottom of said outer element is provided with means for attaching said lower brewing chamber portion.
4. Brewing device according to claim 3 in which said means for attaching said lower brewing chamber portion include guide rails, provided with a lateral aperture for inserting and removal of said lower brewing chamber portion.
5. Brewing device according to claim 4 in which said outer element is supported by means of springs on said inner element such that the springs bias said outer element to take a lower open position in which said lower brewing chamber portion can be attached to and removed from, respectively, said outer element.
6. Brewing device according to claim 1 in which said inner element is provided with means for fixing it to a coffee maker.
7. Brewing device according to claim 1 in which both said outer element and said inner element are provided with a portion having enlarged diameter, at least partially laterally delimited by a wall portion.
8. Brewing device according to claim 7 in which said wall portion of said outer element is provided with two arcuate grooves located opposite to each other and extending coaxially to the axis of rotation of said operating lever, and in which said wall portion of said inner element is provided with two essentially horizontally extending grooves located opposite to each other, whereby said actuating member is constituted by a shaft member fixed to said operating lever and extending both through said grooves provided in said outer element and said grooves provided in said inner element.
9. Brewing device according to claim 8 in which said wall portion of said outer element is provided with two flattened portion portions located opposite to each other in which said grooves are provided and and to which said operating lever is pivotally attached.
10. Brewing device according to claim 1 in which said lower brewing chamber portion comprises a base element and a cartridge receptacle resiliently supported on said base portion, whereby said base portion is provided with a flange member corresponding in shape to said guide rail, and whereby said cartridge receptacle is moved into said base portion by said closure element upon closing said chamber.
11. Brewing device according to claims 4 and 10 in which said wall portion of said outer element is provided with a recess opposite to said lateral aperture, and in which said base portion is provided with a conically shaped guide cam member by means of which said base portion is aligned around the longitudinal axis upon inserting said lower brewing chamber portion into said guide rails.
12. Brewing device according to claim 11 in which said base portion is provided with a handle located opposite said guide cam member.
13. Brewing device according to claim 10 in which the bottom of said closure element and the bottom of said base portion both are provided with at least on piercing member for piercing a coffee powder cartridge, whereby said cartridge receptacle is provided with an aperture through which said piercing member provided on the bottom of said base portion extends into the interior of said cartridge receptacle upon cleaning said chamber.
14. Brewing device according to claim 1 in which said lower brewing chamber portion is provided with a beverage outlet in which is provided a spring biased valve member adapted to close said beverage outlet when said chamber is not closed.
15. Brewing device according to claim 14 in which said closure element is provided with a pin member arranged corresponding to said beverage outlet and which transfers said valve member into its open state upon closing said chamber.
16. Brewing device according to claim 1 in which said upper brewing chamber portion is provided with an integral boiler.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Device for warning drivers of automobiles of excessive speed of turning around a curve, so that they may be alerted in taking remedial measures, comprising sensing means including an arrangement of mercury switches, each one of said switches comprising a cylindrical tube within which is freely reciprocatingly moving a mercury bulb and alarm audio andor visual signal producing means activated by said switches, the device being characterized by that:
it is an autonomous, self-powered, compact device with said sensing means and said audio andor visual signal producing means being located within one single main housing portion (1) including a rear cavity (12a) for the installation of battery means (12) for providing an independent energy supply for operation of the device and including closure means of a frontal panel surface (1a) extending into a perpendicularly projecting basement (1b);
said sensing means comprising two, alternatively activated and differentially calibrated, pairs of mercury switches, each said pair comprising two oppositely inclined mercury switches for monitoring right and left turns of the vehicle, wherein a first pair of said pairs of mercury switches (18,19) is adapted for use in conditions of dry road surface by calibration of said mercury switches (18,19) at a predetermined value of inclination and a second pair of said pairs of mercury switches (20,21) is adapted for use in conditions of wet road surface by calibration of said mercury switches (20,21) at a different predetermined value of inclination, each one of said mercury switches being fixedly mounted within a lateral cavity of cylindrical carrier means (18a, 19a, 20a, 21a) respectively, said cylindrical carrier means (18a, 19a, 20a, 21a) respectively extending into rotatable knobs (18b, 19b, 20b, 21b), and
said device being accompanied with a calibration device for selectively adjusting response sensitivity of each one of said mercury switches (18, 19, 20, 21) into corresponding combination of performance characteristics of different vehicles and particular driving habits and skills of individual drivers.
2. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, characterized by that the alternative activation of said first pair of mercury switches (18,19) or said second pair of mercury switches (20,21) is carried out by means of a manually operated switch with an operation lever (9) on said frontal panel surface (1a) and a switch box (9a) at the rear of said frontal panel surface (1a).
3. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, characterized by that the alternative activation of said first pair of mercury switches (18,19) or said second pair of mercury switches (20,21) is carried out automatically upon changing of conditions of the road surface in response to activation of the windscreen wipers of the vehicle.
4. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, wherein
upon said frontal panel surface (1a) are located said switch (9) used in the alternative activation of said first pair of mercury switches (18,19) or said second pair of mercury switches (20,21), a switch (10) used to set the device on or off and said rotatable knobs (18b, 19b, 20b, 21b) being used in the calibration procedure of said mercury switches, said knobs (18b, 19b, 20b, 21b) correspondingly extending to said cylindrical carrier means (18a, 19a, 20a, 21a) with said mercury switches (18, 19, 20, 21) at the rear of said frontal panel surface (1a) and wherein
upon said perpendicularly projecting basement (1b) of said frontal panel surface is located a rectangular basement (28) onto which are mounted and wired said alarm audio signal producing means (15) sitting onto a vibration absorbing elastic plate (38), a capacitor (22), a mercury switch (23) mounted onto a vertically oriented cylindrical carrier (24) adapted to operate so as to cut off possible activation of anyone of said mercury switches (18, 19, 20, 21) of said sensing means in response to erroneous sensing of bumps or holes in the road and a pair of opposing conductive plates (13) extending through openings (14) of said main housing portion (1) on either end of said rear cavity (12a) thereof for the installation of battery means (12) for providing an independent energy supply for operation of the device.
5. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, wherein said calibration device for selectively adjusting response sensitivity of each one of said mercury switches (18, 19, 20, 21) into corresponding combination of performance characteristics of different vehicles and particular driving habits and skills of individual drivers comprises a vertically oriented surface (32) adapted to receive a circularly marked scale (33a) of degrees, a table (33) whereupon is mounted the device to be calibrated extending perpendicularly from said vertically oriented surface (32), said table (33) being fixedly mounted onto said vertically oriented surface (32) by means of a bolt and nut assembly (34,35), a leveling means (31a) located onto a body (31) extending at the bottom of said vertically oriented surface (32), the calibration device (36) being mounted by means of a pair of legs (30) at the bottom of said vertically oriented surface (32) and of a leg (29) provided at the bottom of said body (31) of the leveling means (31a), said legs being adjustable to obtain optimum level mounting of the calibration device.
6. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, wherein the device is mounted onto the driving panel and even embodied into a selected location thereof.
7. Device for warning drivers of automobiles of excessive speed of turning around a curve, as claimed in above claim 1, wherein the device is mounted onto the windscreen of the vehicle and for this purpose it further includes a suspension means portion (2) of said main housing portion (1), said suspension means (2) having a configuration such as to grip said main housing portion (1) and lock onto the same to form a fixed assembly through engagement of an angular front end surface (2a) and a rear hook (27) of said suspension means portion (2) onto corresponding angular recessions (1c) on the front surface and recession (26) at the rear bottom surface of said main housing portion (1), a third housing portion (3) being rotatably connected to said suspension means portion (2) and fixedly mounted onto the windscreen, wherein rotation of the assembly of said first housing portion (1) and said suspension means portion (2) in a horizontal and vertical direction relative to the fixedly mounted onto the windscreen said third housing portion (3) allows bringing the device in a horizontal orientation prior to fixedly connecting and locking said third housing portion (3) onto said suspension means portion (2).