The invention relates to a gravity cup for a paint sprayer, having a cup-shaped tank (1) and a cover (2) that can be placed on the tank (1), a multiplex quick-connect thread having at least two external thread turns (18) and internal thread turns (19) engaging with the external thread turns (18) for
The invention relates to a gravity cup for a paint sprayer, having a cup-shaped tank (1) and a cover (2) that can be placed on the tank (1), a multiplex quick-connect thread having at least two external thread turns (18) and internal thread turns (19) engaging with the external thread turns (18) for connecting the tank (1) and the cover (2), characterized in that each external thread turn (18) is formed of a plurality of thread segments (18a, 18b, 18j) disposed along the pitch line of each external thread turn, wherein a gap (18p, 18q . . . 18w) is formed between adjacent thread segments.
대표청구항▼
1. A gravity cup for a paint sprayer, comprising: a cup-shaped tank having at least two tank threads forming a first part of a multiplex quick-connect, the tank threads formed as a plurality of separated and aligned thread segments, each tank thread including a guide ramp on an upper side of the thr
1. A gravity cup for a paint sprayer, comprising: a cup-shaped tank having at least two tank threads forming a first part of a multiplex quick-connect, the tank threads formed as a plurality of separated and aligned thread segments, each tank thread including a guide ramp on an upper side of the thread configured to bridge two thread segments; anda cover having cover threads mateable with the tank threads to form a second part of the multiplex quick-connect. 2. The gravity cup according to claim 1, wherein there are at least two tank thread turns, and each tank thread turn includes at least two thread segments. 3. The gravity cup according to claim 1, wherein there are between four and ten tank thread segments. 4. The gravity cup according to claim 1, wherein the tank thread turns are shaped to extend from an upper external circumference of the tank. 5. The gravity cup according to claim 1, wherein the cover thread turns are arranged within an interior of a flange formed on the cover. 6. The gravity cup according to claim 5, wherein a wedge-shaped sealing crosslink extends circumferentially within an interior of the cover, to form a wedge-shaped annular groove for sealing an upper rim of the tank against the cover. 7. The gravity cup according to claim 1, the cover further including a connecting piece configured for connecting the gravity cup to a paint sprayer. 8. The gravity cup according to claim 7, wherein a quick-alternating connection with a screw wedge element is provided on the connecting piece, which acts together with a counter-element on the paint sprayer for a quick connection of the gravity cup to the paint sprayer. 9. The gravity cup according to claim 1, wherein the quick-connect thread comprises four tank thread turns, which are arranged, uniformly distributed, over an upper external circumference of the tank. 10. The gravity cup according to claim 2, wherein the tank thread turns have a trapezoidal cross-sectional shape. 11. The gravity cup according to claim 1, wherein adjacent cover threads form turns which taper in the direction of closing of the quick-connect along an axial direction with respect to a rotational axis of the cover threads. 12. The gravity cup according to claim 1, wherein a rim flange, thickened in comparison to a side wall of the tank, is provided on an upper rim of the tank. 13. The gravity cup according to claim 11, wherein the thickness of the tank side wall is between 0.2 and 1.5 mm, and the thickness of the upper rim flange is between 0.4 and 2 mm. 14. A gravity cup for a paint sprayer, comprising: a cup-shaped tank having at least two tank threads forming a first part of a multiplex quick-connect, the tank threads formed as a plurality of separated and aligned thread segments;a cover having cover threads mateable with the tank threads to form a second part of the multiplex quick-connect;a plurality of guide ramps each extending from an upper side of a corresponding one of said tank threads and sized and dimensioned to separate the tank thread from which it extends from an adjacent cover thread, when the tank threads and the cover threads are being mated. 15. The gravity cup according to claim 14, wherein each of the plurality of guide ramps bridges two tank thread segments. 16. The gravity cup according to claim 14, wherein adjacent cover threads form turns which taper in the direction of closing of the quick-connect along an axial direction with respect to a rotational axis of the cover threads. 17. A gravity cup for a paint sprayer, comprising: a cup-shaped tank having at least two tank threads forming a first part of a multiplex quick-connect, the tank threads formed as a plurality of separated and aligned thread segments;a cover having at least two cover threads mateable with the tank threads to form a second part of the multiplex quick-connect; andat least one of the at least two tank threads and the at least two cover threads include two threads which taper towards each other in the direction of closing of the quick-connect. 18. The gravity cup of claim 17, further including a plurality of guide ramps each extending from an upper side of a corresponding one of said tank threads and sized and dimensioned to separate the tank thread from which it extends from an adjacent cover thread, when the tank threads and the cover threads are being mated. 19. The gravity cup of claim 17, wherein a wedge-shaped sealing crosslink extends circumferentially within an interior of the cover to form a wedge-shaped annular groove for sealing an upper rim of the tank against the cover.
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