AU2019202018B1 - A manual coffee grinding cup - Google Patents
A manual coffee grinding cup Download PDFInfo
- Publication number
- AU2019202018B1 AU2019202018B1 AU2019202018A AU2019202018A AU2019202018B1 AU 2019202018 B1 AU2019202018 B1 AU 2019202018B1 AU 2019202018 A AU2019202018 A AU 2019202018A AU 2019202018 A AU2019202018 A AU 2019202018A AU 2019202018 B1 AU2019202018 B1 AU 2019202018B1
- Authority
- AU
- Australia
- Prior art keywords
- grinding
- grooves
- sliding
- groove
- fit connection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J42/00—Coffee mills; Spice mills
- A47J42/32—Coffee mills; Spice mills with other grinding or pulverising members
- A47J42/34—Coffee mills; Spice mills with other grinding or pulverising members hand driven
Abstract
The invention discloses a manual coffee grinding cup, including a base (31); a threaded block
(36) arranged on an upper end surface of the base (31); a cover (21) arranged on the upper end
of the base (31). When in use, a paddle (58) is pulled towards a first side, and then a driving
block (64) is pressed downwards, so that the driving block (64) and a rotating rod (74) are
respectively clamped into a receiving groove (57) and a rotating rod groove (55).When
somebody goes out to play, roasted coffee beans are ground into the coffee powder by the
device for being brewed and drunk, so that the problem that somebody only can drink instant
coffee with relatively poor taste and quality when going out to play is solved.
Description
[0001] The present invention relates to the technical field of daily necessities, in particular to a manual coffee grinding cup.
[0002] At present, with the popularity of coffee in China, more and more people like to drink coffee. When people want to go out with coffee, they can only pour instant coffee into the reserved boiled water for brewing. However, the taste and quality of instant coffee are relatively general, and people can not drink hand-grinded coffee with better quality and taste.
[0003] The purpose of the invention is to provide a manual coffee grinding cup to overcome the problems existing in the prior art.
[0004] To achieve the above purpose, the invention provides the following technical scheme: a manual coffee grinding cup, comprising a base; a threaded block arranged on an upper end surface of the base; a cover arranged on the upper end of the base; wherein a thread groove, in threaded fit connection with the threaded block, is arranged in a lower end of the cover; a receiving groove arranged in an upper end surface of the cover; a rotating rod groove arranged in a first end wall of the receiving groove; a driving block arranged on a second end surface of the receiving groove; a material storage cavity arranged within the cover; wherein upper and lower end walls of the material storage cavity are symmetrically and fixedly connected with supporting rods, and the upper and lower end walls of the material storage cavity are in rotational fit connection with a grinding shaft; wherein the grinding shaft, extending upward through the upper end wall of the material storage cavity, accesses into the receiving groove, and is in rotational fit connection with an upper end wall of the receiving groove; a hand operated device arranged at an upper end of the grinding shaft; wherein the hand-operated device is used for controlling the rotation of the grinding shaft; a hinged feeding door arranged on a rear end wall of the material storage cavity; wherein the hinged feeding door is opened so that coffee beans are added into the material storage cavity; falling-down grooves symmetrically arranged in the lower end wall of the material storage cavity; grinding grooves arranged in lower end walls of the falling-down grooves; wherein the grinding shaft extends downward into the grinding grooves and is rotatably connected with upper end walls of the grinding grooves; a grinding head fixedly mounted on a lower end of the grinding shaft; wherein the grinding head is in rotational fit connection with the upper end walls of the grinding grooves; blocking sliding chutes respectively arranged around the falling-down grooves; wherein rotating annular grooves communicated with the outside are arranged in first end walls of the blocking sliding chutes; fan-shaped sliding chutes arranged on lower end walls of the rotating annular grooves; wherein end walls of the fan-shaped sliding chutes, close to the grinding shaft, are provided with driving sliding chutes; wherein end walls of the driving sliding chutes, close to the grinding shaft, are provided with through-groove annular sliding chutes; wherein a connection space communicated with the grinding grooves is arranged in the through-groove annular sliding chutes; a switching device for controlling falling down of coffee beans and coffee powder is arranged between the rotating annular grooves and the through-groove annular sliding chutes; a filter tank arranged at a lower end wall of the connection space; limiting grooves symmetrically arranged in both ends of the filter tank; and a filter device arranged in the filter tank; wherein the filter device is used for separating coffee powder and boiled water.
[0005] As an optimized technical proposal, the hand-operated device comprises the driving block, in which groove slidably connected with the grinding shaft are arranged; ejection sliding block grooves symmetrically arranged in both end walls of the groove; wherein ejection sliding blocks fixedly connected with the grinding shaft are in sliding fit connection with the ejection sliding block grooves; ejection springs connected between the ejection sliding blocks and the ejection sliding block grooves; a rotating rod arranged on a first end of the driving block; a handle groove arranged in an upper end surface of the rotating rod; wherein a torsion spring shaft is rotatably connected with front and rear end walls of the handle groove; a torsion spring arranged on the torsion spring shaft and a handle arranged on the torsion spring; in use, the handle is extracted from the handle groove; a T-shaped block which is in sliding fit connection within a short sliding chute; a reset spring connected between the T-shaped block and the short sliding chute; a paddle arranged at an upper end of the T-shaped block; in use, the paddle is pulled towards a first side, and then the driving block is pressed downwards, so that the driving block and the rotating rod are respectively clamped into the receiving groove and the rotating rod groove.
[0006] As an optimized technical proposal, the switching device comprises a rotating ring which is in sliding fit connection with the rotating annular grooves; wherein an end wall of the rotating ring, close to the grinding shaft, is provided with blocking plates which are in sliding fit connection with the blocking sliding chutes, and front and rear ends of the blocking sliding chutes are symmetrically provided with baffles which are fixedly connected with the end walls close to the grinding shaft of the blocking sliding chutes; one of baffle springs connected between an upper one of the baffles and a first side one of the blocking plates, and another one of the baffle springs also connected between a lower one of the baffles and a second side one of the blocking plates; connecting rods symmetrically arranged at a lower end surface of the rotating ring; wherein the connecting rods are in sliding fit connection with the fan-shaped sliding chutes; and end surfaces of the connecting rods, close to the grinding shaft, are provided with short rods which are in sliding fit connection with the driving sliding chutes; a connecting ring which is in sliding fit connection with the through-groove annular sliding chutes is connected between the short rods; driving rods symmetrically arranged on front, rear, side inner walls of the connecting ring; fan-shaped sheets respectively arranged at the other ends of the driving rods; wherein an upper end wall of the connection space is respectively provided with four fan-shaped hollow blocks which are in sliding fit connection with the fan shaped sheets; in use, the rotating ring is rotated, so that coffee beans fall into the grinding grooves and ground coffee powder in the grinding grooves falls down.
[0007] As an optimized technical proposal, the filter device comprises an isolator; a filter screen fixedly installed within an inner wall of the isolator; a pulling ring arranged at a center of the filter screen; hinged rods fixedly connected to both ends of the isolator, wherein limiting blocks are rotatably connected with the other ends of the hinged rods, and the limiting blocks are in sliding fit connection with the limiting grooves; limiting springs connected between the limiting blocks and the the limiting grooves; when used coffee powder needs to be taken out, the pulling ring is pulled down, and the filter screen is rotated with a certain angle, so that the coffee powder in the filter screen is manually taken out.
[0008] In conclusion, the manual coffee grinding cup of the present invention has the beneficial effects that: when somebody goes out to play, roasted coffee beans are ground into the coffee powder by the device for being brewed and drunk, so that the problem that somebody only can drink instant coffee with relatively poor taste and quality when going out to play is solved; and the possibility of errors is reduced through mechanical transmission engagement.
[0009] For better explaining the technical proposal in the present invention embodiments or the prior art, the drawings to be used in the description of the embodiments or the prior art will be briefly described below. Obviously, the drawings in the following description are only some embodiments of the present invention. For those common technicians in this field, other drawings may also be obtained based on these drawings without any creative work.
[0010] FIG. 1 is the overall structural diagram of the manual coffee grinding cup of the invention from front cross-sectional view;
[0011] FIG. 2 is a partially-enlarged view of the A in FIG. 1;
[0012] FIG. 3 is a cross-sectional view along "B-B" direction in FIG. 1;
[0013] FIG. 4 is a cross-sectional view along "C-C" direction in FIG. 1.
[0014] All of the features described herein, or all of the steps of any method or process so described, may be combined in any ways, except some of such features and / or steps are mutually exclusive.
[0015] Any of the features described in this specification (including any additional claims, abstracts and drawings) may be replaced by an alternative feature serving the equivalent, or similar purpose, unless otherwise stated. That is, unless otherwise stated, each feature is only one embodiment of a generic series of equivalent or similar features.
[0016] The preferred embodiments of the present invention will be described in detail in the following in combination with the drawings above. For better explanation, the orientations described hereinafter are defined as follows: directions of up, down, left, right, front and rear in the text are identical to the directions of up, down, left, right, front and rear of FIG.1.
[0017] Referring to FIGS. 1-4, an embodiment provided in the present invention refers to a manual coffee grinding cup, and the manual coffee grinding cup comprises a base 31; a threaded block 36 arranged on an upper end surface of the base 31; a cover 21 arranged on the upper end of the base 31; wherein a thread groove 35, in threaded fit connection with the threaded block 36, is arranged in a lower end of the cover 21; a receiving groove 57 arranged in an upper end surface of the cover 21; a rotating rod groove 55 arranged in a first end wall of the receiving groove 57; a driving block 64 arranged on a second end surface of the receiving groove 57; a material storage cavity 22 arranged within the cover 21; wherein upper and lower end walls of the material storage cavity 22 are symmetrically and fixedly connected with supporting rods 75, and the upper and lower end walls of the material storage cavity 22 are in rotational fit connection with a grinding shaft 48; wherein the grinding shaft 48, extending upward through the upper end wall of the material storage cavity 22, accesses into the receiving groove 57, and is in rotational fit connection with an upper end wall of the receiving groove 57; a hand-operated device 101 arranged at an upper end of the grinding shaft 48; wherein the hand-operated device 101 is used for controlling the rotation of the grinding shaft 48; a hinged feeding door 72 arranged on a rear end wall of the material storage cavity 22; wherein the hinged feeding door 72 is opened so that coffee beans are added into the material storage cavity 22; falling-down grooves 47 symmetrically arranged in the lower end wall of the material storage cavity 22; grinding grooves 25 arranged in lower end walls of the falling-down grooves 47; wherein the grinding shaft 48 extends downward into the grinding grooves 25 and is rotatably connected with upper end walls of the grinding grooves ; a grinding head 24 fixedly mounted on a lower end of the grinding shaft 48; wherein the grinding head 24 is in rotational fit connection with the upper end walls of the grinding grooves 25; blocking sliding chutes 44 respectively arranged around the falling-down grooves 47; wherein rotating annular grooves 46 communicated with the outside are arranged in first end walls of the blocking sliding chutes 44; fan-shaped sliding chutes 67 arranged on lower end walls of the rotating annular grooves 46; wherein end walls of the fan-shaped sliding chutes 67, close to the grinding shaft 48, are provided with driving sliding chutes 68; wherein end walls of the driving sliding chutes 68, close to the grinding shaft 48, are provided with through-groove annular sliding chutes 69; wherein a connection space 76 communicated with the grinding grooves 25 is arranged in the through-groove annular sliding chutes 69; a switching device 102 for controlling falling down of coffee beans and coffee powder is arranged between the rotating annular grooves 46 and the through-groove annular sliding chutes 69; a filter tank 33 arranged at a lower end wall of the connection space 76; limiting grooves 40 symmetrically arranged in both ends of the filter tank 33; and a filter device 103 arranged in the filter tank 33; wherein the filter device 103 is used for separating coffee powder and boiled water.
[0018] The hand-operated device 101 comprises the driving block 64, in which groove 63 slidably connected with the grinding shaft 48 are arranged; ejection sliding block grooves 73 symmetrically arranged in both end walls of the groove 63; wherein ejection sliding blocks 62 fixedly connected with the grinding shaft 48 are in sliding fit connection with the ejection sliding block grooves 73; ejection springs 56 connected between the ejection sliding blocks 62 and the ejection sliding block grooves 73; a rotating rod 74 arranged on a first end of the driving block 64; a handle groove 49 arranged in an upper end surface of the rotating rod 74; wherein a torsion spring shaft 54 is rotatably connected with front and rear end walls of the handle groove 49; a torsion spring 53 arranged on the torsion spring shaft 54 and a handle 51 arranged on the torsion spring 53; in use, the handle 51 is extracted from the handle groove 49; a T-shaped block 59 which is in sliding fit connection within a short sliding chute 61; a reset spring 60 connected between the T-shaped block 59 and the short sliding chute 61; a paddle 58 arranged at an upper end of the T-shaped block 59; in use, the paddle 58 is pulled towards a first side, and then the driving block 64 is pressed downwards, so that the driving block 64 and the rotating rod 74 are respectively clamped into the receiving groove 57 and the rotating rod groove 55.
[0019] The switching device 102 comprises a rotating ring 23 which is in sliding fit connection with the rotating annular grooves 46; wherein an end wall of the rotating ring 23, close to the grinding shaft 48, is provided with blocking plates 45 which are in sliding fit connection with the blocking sliding chutes 44, and front and rear ends of the blocking sliding chutes 44 are symmetrically provided with baffles 65 which arefixedly connected with the end walls close to the grinding shaft 48 of the blocking sliding chutes 44; one of baffle springs 66 connected between an upper one of the baffles 65 and a first side one of the blocking plates 45, and another one of the baffle springs 66 also connected between a lower one of the baffles 65 and a second side one of the blocking plates 45; connecting rods 26 symmetrically arranged at a lower end surface of the rotating ring 23; wherein the connecting rods 26 are in sliding fit connection with the fan-shaped sliding chutes 67; and end surfaces of the connecting rods 26, close to the grinding shaft 48, are provided with short rods 27 which are in sliding fit connection with the driving sliding chutes 68; a connecting ring 37 which is in sliding fit connection with the through-groove annular sliding chutes 69 is connected between the short rods 27; driving rods 29 symmetrically arranged on front, rear, side inner walls of the connecting ring 37; fan-shaped sheets 30 respectively arranged at the other ends of the driving rods 29; wherein an upper end wall of the connection space 76 is respectively provided with four fan-shaped hollow blocks 34 which are in sliding fit connection with the fan-shaped sheets 30; in use, the rotating ring 23 is rotated, so that coffee beans fall into the grinding grooves 25 and ground coffee powder in the grinding grooves 25 falls down.
[0020] The filter device 103 comprises an isolator 28; a filter screen 39fixedly installed within an inner wall of the isolator 28; a pulling ring 38 arranged at a center of the filter screen 39; hinged rods 42 fixedly connected to both ends of the isolator 28, wherein limiting blocks 43 are rotatably connected with the other ends of the hinged rods 42, and the limiting blocks 43 are in sliding fit connection with the limiting grooves 40; limiting springs 41 connected between the limiting blocks 43 and the the limiting grooves 40; when used coffee powder needs to be taken out, the pulling ring 38 is pulled down, and the filter screen 39 is rotated with a certain angle, so that the coffee powder in the filter screen 39 is manually taken out.
[0021] In use, the base 31 is unscrewed, and boiled water is added into a water tank 32, and coffee beans are added into the material storage cavity 22 through the hinged feeding door 72; the blocking plates 45 are driven to rotate under rotation of the rotating ring 23; the falling down grooves 47 are opened, so that the coffee beans fall down into the grinding grooves 25; the paddle 58 is pulled towards a first side, so that the driving block 64 is ejected; the handle 51 is rotated after being extracted out, so that the driving block 64, the grinding shaft 48 and the grinding head 24 are driven to rotate by the rotating rod 74; the coffee beans are ground into the coffee powder and the rotating ring 23 is rotated again; under rotation of the rotating ring 23, by the connecting rods 26, the short rods 27, the connecting ring 37, the driving rods 29 and the fan-shaped sheets 30 are driven to rotate, so that the fan-shaped sheets 30 are respectively rotated counterclockwise into the fan-shaped hollow blocks 34, to open the connection space 76; the ground coffee powder in the grinding grooves 25 falls down to an upper end surface of the filter screen 39, and the cup is placed upside down to fully brew the boiled water and the coffee powder, and the base 31 is screwed; when the coffee powder needs to be taken out, the filter screen 39 and the isolator 28 are pulled down by the pull ring 38 and the filter screen 39 is rotated with a certain angle, so that the coffee powder in the filter screen 39 is able to be manually taken out.
[0022] The manual coffee grinding cup of the present invention has the beneficial effects that: when somebody goes out to play, roasted coffee beans are ground into the coffee powder by the device for being brewed and drunk, so that the problem that somebody only can drink instant coffee with relatively poor taste and quality when going out to play is solved; and the possibility of errors is reduced through mechanical transmission engagement.
[0023] The above is only the specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions without creative efforts shall fall within the protection scope of the present invention. Therefore, the claimed protection extent of the invention shall be determined with reference to the appended claims.
Claims (4)
1. A manual coffee grinding cup, comprising: a base; a threaded block arranged on an upper end surface of the base; a cover arranged on the upper end of the base; wherein a thread groove, in threaded fit connection with the threaded block, is arranged in a lower end of the cover; a receiving groove arranged in an upper end surface of the cover; a rotating rod groove arranged in a first end wall of the receiving groove; a driving block arranged on a second end surface of the receiving groove; a material storage cavity arranged within the cover;
wherein upper and lower end walls of the material storage cavity are symmetrically and fixedly connected with supporting rods, and the upper and lower end walls of the material storage cavity are in rotational fit connection with a grinding shaft; wherein the grinding shaft, extending upward through the upper end wall of the material storage cavity, accesses into the receiving groove, and is in rotational fit connection with an upper end wall of the receiving groove; a hand-operated device arranged at an upper end of the grinding shaft; wherein the hand-operated device is used for controlling the rotation of the grinding shaft; a hinged feeding door arranged on a rear end wall of the material storage cavity; wherein the hinged feeding door is opened so that coffee beans are added into the material storage cavity; falling-down grooves symmetrically arranged in the lower end wall of the material storage cavity;
grinding grooves arranged in lower end walls of the falling-down grooves; wherein the grinding shaft extends downward into the grinding grooves and is rotatably connected with upper end walls of the grinding grooves; a grinding head fixedly mounted on a lower end of the grinding shaft; wherein the grinding head is in rotational fit connection with the upper end walls of the grinding grooves; blocking sliding chutes respectively arranged around the falling-down grooves; wherein rotating annular grooves communicated with the outside are arranged in first end walls of the blocking sliding chutes; ) fan-shaped sliding chutes arranged on lower end walls of the rotating annular grooves; wherein end walls of the fan-shaped sliding chutes, close to the grinding shaft, are provided with driving sliding chutes; wherein end walls of the driving sliding chutes, close to the grinding shaft, are provided with through-groove annular sliding chutes; wherein a connection space communicated with the grinding grooves is arranged in the through-groove annular sliding chutes; a switching device for controlling falling down of coffee beans and coffee powder is arranged between the rotating annular grooves and the through-groove annular sliding chutes; a filter tank arranged at a lower end wall of the connection space; limiting grooves symmetrically arranged in both ends of the filter tank; and a filter device arranged in the filter tank; wherein the filter device is used for separating coffee powder and boiled water.
2. A manual coffee grinding cup of claim 1, wherein the hand-operated device comprises the driving block, in which groove slidably connected with the grinding shaft are arranged; ejection sliding block grooves symmetrically arranged in both end walls of the groove; wherein ejection sliding blocks fixedly connected with the grinding shaft are in sliding fit connection with the ejection sliding block grooves; ejection springs connected between the ejection sliding blocks and the ejection sliding block grooves; a rotating rod arranged on a first end of the driving block; a handle groove arranged in an upper end surface of the rotating rod; wherein a torsion spring shaft is rotatably connected with front and rear end walls of the handle groove; a torsion spring arranged on the torsion spring shaft and a handle arranged on the torsion spring; in use, the handle is extracted from the handle groove; a T-shaped block which is in sliding fit connection within a short sliding chute; a reset spring connected between the T-shaped block and the short sliding chute; a paddle arranged at an upper end of the T-shaped block; in use, the paddle is pulled towards a first side, and then the driving block is pressed downwards, so that the driving block and the rotating rod are respectively clamped into the receiving groove and the rotating rod groove.
3. A manual coffee grinding cup of claim 1, wherein the switching device comprises a rotating ring which is in sliding fit connection with the rotating annular grooves; wherein an end wall of the rotating ring, close to the grinding shaft, is provided with blocking plates which are in sliding fit connection with the blocking sliding chutes, and front and rear ends of the blocking sliding chutes are symmetrically provided with baffles which are fixedly connected with the end walls close to the grinding shaft of the blocking sliding chutes; one of baffle springs connected between an upper one of the baffles and a first side one of the blocking plates, and another one of the baffle springs also connected between a lower one of the baffles and a second side one of the blocking plates; connecting rods symmetrically arranged at a lower end surface of the rotating ring; wherein the connecting rods are in sliding fit connection with the fan-shaped sliding chutes; and end surfaces of the connecting rods, close to the grinding shaft, are provided with short rods which are in sliding fit connection with the driving sliding chutes; a connecting ring which is in sliding fit connection with the through-groove annular sliding chutes is connected between the short rods; driving rods symmetrically arranged on front, rear, side inner walls of the connecting ring; fan-shaped sheets respectively arranged at the other ends of the driving rods; wherein an upper end wall of the connection space is respectively provided with four fan shaped hollow blocks which are in sliding fit connection with the fan-shaped sheets; in use, the rotating ring is rotated, so that coffee beans fall into the grinding grooves and ground coffee powder in the grinding grooves falls down.
4. A manual coffee grinding cup of claim 1, wherein the filter device comprises an isolator; a filter screen fixedly installed within an inner wall of the isolator; a pulling ring arranged at a center of thefilter screen; hinged rods fixedly connected to both ends of the isolator, wherein limiting blocks are rotatably connected with the other ends of the hinged rods, and the limiting blocks are in sliding fit connection with the limiting grooves; limiting springs connected between the limiting blocks and the the limiting grooves; when used coffee powder needs to be taken out, the pulling ring is pulled down, and the filter screen is rotated with a certain angle, so that the coffee powder in the filter screen is manually taken out.
DRWAINGS 1/4
Figure 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019101886205 | 2019-03-13 | ||
| CN201910188620 | 2019-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| AU2019202018B1 true AU2019202018B1 (en) | 2020-09-17 |
Family
ID=68181232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AU2019202018A Ceased AU2019202018B1 (en) | 2019-03-13 | 2019-03-22 | A manual coffee grinding cup |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110338676A (en) |
| AU (1) | AU2019202018B1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204995263U (en) * | 2015-07-31 | 2016-01-27 | 广东辉胜达电器股份有限公司 | Grind beans hand cup of making coffee |
| EP3064100A1 (en) * | 2013-10-30 | 2016-09-07 | Han Sang Yoon | Hand drip coffee tumbler |
| US20170332831A1 (en) * | 2016-05-19 | 2017-11-23 | C2 Co., Ltd. | Grinder tumbler |
-
2019
- 2019-03-22 AU AU2019202018A patent/AU2019202018B1/en not_active Ceased
- 2019-08-26 CN CN201910791933.XA patent/CN110338676A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3064100A1 (en) * | 2013-10-30 | 2016-09-07 | Han Sang Yoon | Hand drip coffee tumbler |
| CN204995263U (en) * | 2015-07-31 | 2016-01-27 | 广东辉胜达电器股份有限公司 | Grind beans hand cup of making coffee |
| US20170332831A1 (en) * | 2016-05-19 | 2017-11-23 | C2 Co., Ltd. | Grinder tumbler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110338676A (en) | 2019-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PC1 | Assignment before grant (sect. 113) |
Owner name: ZIBO MILI CUP INDUSTRY CO., LTD. Free format text: FORMER APPLICANT(S): YONGKANG GUANDING CUP INDUSTRY CO., LTD. |
|
| FGA | Letters patent sealed or granted (standard patent) | ||
| MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |