US20050046211A1 - Coffee press - Google Patents
Coffee press Download PDFInfo
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- US20050046211A1 US20050046211A1 US10/765,460 US76546004A US2005046211A1 US 20050046211 A1 US20050046211 A1 US 20050046211A1 US 76546004 A US76546004 A US 76546004A US 2005046211 A1 US2005046211 A1 US 2005046211A1
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- United States
- Prior art keywords
- container
- handle
- portions
- band
- end portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
- B65D25/28—Handles
- B65D25/2802—Handles fixed, i.e. non-swingable, handles
- B65D25/2832—Handles fixed, i.e. non-swingable, handles provided vertically and fixed to the upper or lower rim and to the side wall
Definitions
- the present invention relates to presses for coffee, tea or the like, and, in particular, to presses having an open top container with preferably transparent side wall portions and with associated bottom and top protective and enforcement portions, and a reciprocating plunger assembly associated with the container.
- Such an apparatus typically includes a container having an openable top and side walls having a uniform internal cross-section.
- the top is provided with a lid that receives a slidable rod which is axially reciprocable relative to the container.
- the rod has a handle at its upper end and a piston at its lower end.
- the rod and the piston with the lid comprise a plunger assembly.
- brewing status can be estimated by elapsed brewing time or by visually observing the color of a brew, with the characteristically opaque prior art coffee press containers, brew color cannot be adequately observed even if the associated plunger assembly is removed from the container.
- a brewing apparatus having a container with transparent portions would be desirable, but such a container has sometimes been inadequate because either it tends to be fragile and easily broken during use, or it has transparent portions with edge regions that are not watertight so that undesirable leakage occurs from the container.
- Another problem with prior art coffee presses is that, after a brewing operation, dispensing of the brewed and filtered beverage from the container is sometimes difficult to achieve in a simple, quick, effective and reliable manner. For example, it may be necessary to remove the lid or change, alter or even substitute components of the plunger assembly before the beverage can be dispensed from the container.
- a coffee press with an improved openable handle structure that is easy and convenient to removably associate with an object or to grasp with a hand, provides an improved ability to hook over and disengageably connect to a support member (for example, a strap, handle, ring or the like), and provides a secure association with such a support member.
- a support member for example, a strap, handle, ring or the like
- the present invention provides a coffee press structure having an improved container with transparent side wall portions and an improved plunger assembly, preferably in combination with an improved openable handle structure.
- the container has transparent side wall portions that are preferably cross-sectionally cylindrical, and that are associated exteriorly with a combination of (a) respective cap-like fixed bottom and detachable top members, and (b) a cage-like structure having longitudinally extending, circumferentially spaced stud or strap portions that are end interconnected with respective and upper and lower circumferentially extending band portions.
- the strap portions and the band portions extend over and adjacent to areas of the transparent side wall portions of the container that are between the top and bottom cap-like members.
- the cap-like bottom and top portions coact with the strap and band portions and the portions cooperate to enclose partially, protect and reinforce the transparent side wall portions of the container structure.
- the resulting container structure is surprisingly rugged and durable, yet is easily cleansed and is reusable indefinitely.
- the present invention provides a new and very useful handle structure for the container.
- the main handle body extends longitudinally and exteriorly along the container and has an upper end portion that is connected preferably integrally to a portion of the upper band.
- the handle also has an open lower end portion.
- a link member is provided that is pivotably associated either with the lower band portion or with the handle lower end portion.
- the link member is spring biased so that its open end portion is normally in a disengageably engaged relationship with the opposed but adjacently spaced one of either the handle lower end portion or the lower band portion.
- the interrelationship between components is such that the lower end portion of the handle relative to the container are normally in a closed relationship, but, when a force or a pressure is applied upwardly and longitudinally against an exterior surface portion of the link member, the open end portion of the link member becomes disengaged from the associated engaged one of either the handle lower end portion or the lower band portion, thereby to permit the lower end portion of the handle to fit over and connect with an object. After release of the pressure or force, the link member pivots back to its starting position.
- a cooperating engaged but disengagable relationship is achieved between the pivotable link member open end portion and normally engaged adjacent the portion of either the handle open end or the lower band, as the case may be.
- the engaged relationship is variously achievable, but a present preference is to provide a stud-like extension on the open end portion of the link member and a cooperating mating stud-receiving depression defined in the handle open lower end portion or in the lower ring portion. Such an engaged relationship stabilizes the association between these respective components when they are engaged.
- the stud-like extension has a cross member located adjacent its outer end, thereby providing a stud-like extension having a T-configuration, and the stud-receiving depression is similarly correspondingly configured to receive such T-configured stud-like extension.
- the present invention provides a new and very useful plunger assembly for a coffee press structure.
- the plunger assembly comprises, in combination, a lid, a rod that is reciprocatable relative to the center of the lid, and a piston at the rod lower end.
- the rod has a handle at its upper end.
- the piston has a perimeter that is adapted to sealingly but slidably engage inside wall surface portions of the container side wall regions.
- the piston includes mid-regions having screen means adapted to permit fluid flow therethrough yet provide a filter for catching and retaining on one side thereof coffee grounds or tea leaf fragments present in the container during fluid movements in the container and reciprocal movements of the rod.
- a handle joined to the rod opposite end portion is adapted to be adjacent to, and to be nestably received in, upper surface portions of the lid when the rod is fully extending into and through the lid.
- the lid had a spout defined therein. The need to change, or exchange, plunger assembly components before dispensing of filtered brew from the container is thus avoided.
- the handle at its central portion adjacent to the rod includes an outwardly extending opposed fixed pair of keys which are each adapted to longitudinally extend slidably through respective ones of a fixed pair of keyways defined in the lid.
- the keys are longitudinally adjacent to, but downwardly spaced from, the handle by a distance equal to the local thickness of the lid.
- the keys When the rod is moved to a position where the associated handle is adjacent to the lid, the keys extend into the keyways.
- the handle is then rotated a predetermined limited number of degrees, the keys correspondingly rotate over adjacent lid undersurface portions and thereby engage and lock the rod and the handle relative to the lid with the piston being located at its maximum depth inside the container. With the handle thus engaged and locked with the lid, a filtered brew in the container can then be decanted from a spout defined in the container.
- the lid is provided with a spout and with a spout valve which is opened and closed through limited rotational movement of the handle of the plunger rod when the handle is adjacent to the lid.
- the handle when adjacent to the lid is preferably nestably received in a central depression in the lid.
- FIG. 1 is an environmental perspective view of one embodiment of the inventive coffee press, the coffee press comprising a container assembly in illustrative combination with a plunger assembly;
- FIG. 2 is a side elevational view of one side of the FIG. 1 embodiment
- FIG. 3 is a top plan view of the FIG. 1 embodiment
- FIG. 4 is a bottom plan view of the FIG. 1 embodiment
- FIG. 5 is a view similar to FIG. 2 but with the cap removed, and with handle closing link opened;
- FIG. 6 is a perspective view similar to FIG. 5 with the cap removed, the handle closing link closed, and the handle, rod, and piston subassembly elevated relative to the lid;
- FIG. 7 is a top plan view of the FIG. 5 embodiment
- FIG. 8 is a bottom plan view of the FIG. 5 embodiment
- FIG. 9 is a fragmentary detail perspective view showing the handle closing link in separated, adjacent relationship relative to the lower open end of the handle;
- FIG. 10 is a detail view showing the open end of the handle closing link
- FIG. 11 is a detail view showing the handle closing link in side elevation
- FIG. 12 is a fragmentary detail perspective view showing the handle closing link and the lower end of the handle with the handle-closing link being in an open position;
- FIG. 13 is an environmental perspective view of the plunger assembly embodiment of the inventive coffee press embodiment of FIG. 1 and FIG. 6 , the handle, rod and piston subassembly being elevated relative to the lid;
- FIG. 14 is a perspective view showing the bottom side of the lid and the bottom side of the piston
- FIG. 15 is a side elevational view of the embodiment shown in FIG. 14 ;
- FIG. 16 is a view similar to FIG. 15 but with the embodiment rotated 90°, with a portion of the rod being broken away, and with the piston being shown in an exploded format;
- FIG. 17 is an exploded perspective view of the FIG. 1 embodiment
- FIG. 18 is a vertical axial sectional view through the lid region of an alternative embodiment of the plunger assembly, this embodiment including a spout valve;
- FIG. 19 is a vertical axial sectional view through the top cap of the FIG. 1 embodiment
- FIG. 20 is an exploded view of the top cap of the FIG. 1 embodiment
- FIG. 21 is a fragmentary view of a bottom region of the vessel incorporated into the FIG. 1 embodiment
- FIG. 22 is an exploded perspective view of the plunger assembly embodiment shown in FIG. 18 ;
- FIG. 23 is an exploded perspective view of the handle and rod subassembly shown in FIG. 22 ;
- FIG. 24 is a fragmentary vertical sectional view through the lid and valve assembly of the FIG. 18 embodiment
- FIG. 25 is a another fragmentary vertical sectional view through the lid of the FIG. 18 embodiment.
- FIG. 26 is a further fragmentary vertical view through the lid of the FIG. 18 embodiment.
- the press 50 includes a housing or container assembly 51 and a plunger assembly 52 .
- the container or housing assembly 51 comprises a cylindrical vessel 53 having generally cylindrical side walls 54 , a closed bottom 55 , and an open top mouth 56 whose exterior, adjacent lip regions 57 are threaded.
- the vessel 53 is preferably comprised of a unitarily molded, transparent molded plastic.
- plastics are suitable and preferably are impact resistant and also heat resistant both for purposes of holding heated aqueous liquids, like coffee or tea, and for purposes of washing the press 50 in an automatic dishwasher or the like. Examples of suitable plastics include polycarbonates, various polyacrylics, certain styrenic polymers, and the like, as those skilled in the art will readily appreciate.
- the base or lower portion of the vessel 53 is associated with an overfitting, unitarily preformed metal cap 59 that is preferably comprised of stainless steel and that has cylindrical side walls 60 and a flattened bottom 61 .
- the cap 59 can be variously mounted to the vessel 53 .
- Adhesive means can be used.
- the bottom 61 is provided with a slightly recessed central portion relative to its perimeter portion.
- a flat rubber disk 64 is preferably bonded in and upon the recessed portion, if present, of the bottom 55 by means of an adhesive (conventional, not detailed). This disk 64 is preferably at least thick enough to support the press 50 in an upright position without outer perimeter portions, if present, of bottom 55 contacting a supporting flat surface (not detailed).
- Cap 66 includes exteriorly a unitarily preformed metal cup 67 that is preferably comprised of stainless steel and that has cylindrical side walls 68 and a flattened top 69 . Inserted into the interior of the cup 67 is a liner 71 that is comprised preferably of a heat resistant molded plastic, such as a polypropylene or the like.
- the liner 71 preferably includes a thickened circumferentially extending terminal edge region 72 , adjacent cylindrical side portions 73 , inwardly sloping upper side walls 74 , and a top plate 75 that is somewhat elevated relative to the side walls 74 by a longitudinally short, cylindrical extension 76 .
- the dimensions of liner 71 are such that the side portions 73 slidably engage inside wall surface portions of the side walls 68 and the top plate 75 abuts against inside surface portions of the top 69 .
- Adjacent the edge region 72 interior circumferentially extending surface regions are threaded (see FIG. 19 , for example) and are adapted to threadably engage the exteriorly threaded lip 57 of vessel 53 .
- portions of the liner 71 that contact portions of the cup 66 are bonded thereto by an adhesive (not shown, conventional).
- the cylindrical side wall 54 surfaces are engaged, preferably slidably, with the cage-type support structure 78 .
- the structure 78 includes a plurality (preferably 4) of circumferentially preferably equally spaced longitudinally extending flattened strip or stud portions 79 and an upper and lower circumferentially extending ring or flattened band portions 80 and 81 , respectively.
- the stud portions 79 and the band portions 80 , 81 extend over and are adjacent to areas of the transparent side wall portions 54 and cooperate with the cap-like bottom and top portions.
- the stud portions 79 can be integrally formed at their lower ends with the lower band 81 , for the upper band 80 to be formed of an upper band portion 80 a and a lower, longitudinally shorter adjacent lower band portion 80 b , and for the stud portions 79 to be integrally formed at their upper ends with the lower band portion 80 b of the upper ring 80 .
- the cage support structure 78 is slidably engaged longitudinally over the side walls 54 .
- the bottom cap 59 and the top cap 66 coact with the cage support structure 78 and the components function together to enclose partially, protect and reinforce the transparent side wall portions 54 and bottom 55 .
- the resulting housing or container structure 51 is surprisingly rugged and durable, yet is easily cleansed and is reusable indefinitely.
- the upper circumferentially extending edge of the upper band 80 is conveniently provided with a gasket member 83 that can also serve as a decorative colored trim ring, if desired.
- a gasket member 83 that can also serve as a decorative colored trim ring, if desired.
- the present invention provides a new and very useful cooperative assembly of handle structure 85 for the container 51 .
- the main handle body 85 a extends longitudinally and exteriorly adjacent to but spaced from the sides 54 along the container 51 .
- the upper end portion 85 b of handle 85 is connected preferably integrally by molded plastic to the upper band 80 in a butt-type connection.
- the handle structure 85 can preferably include a metal core (not shown), if desired.
- the handle 85 has an open lower end portion 85 c.
- a link member 87 is provided that is pivotably associated at one end thereof either with a portion of the lower band 81 or with a portion of the handle lower end portion 85 c .
- the link member 87 is spring biased by a coiled spring 88 that is preferably disposed about the pintle 89 over which one end of the link member 87 pivots.
- the pintle 89 extends through either (a) a stub projection 90 on the lower band 81 for mounting one end of the link member 87 thereto, or (b) a terminal end region of the lower end portion 85 c of the handle 85 for mounting one end of the link member 87 thereto, as the case may be.
- the lower band 81 is formed with a stub projection 90 regardless of whether or not the link member 87 pivots relative to the stub projection or relative to the lower end portion 85 c of the handle 85 .
- the opposite or open end portion of the link member 87 is normally in an disengagably engaged relationship with the opposite one of either the handle lower end portion 85 c or the lower ring or band portion 81 , as the case may be.
- the interrelationship between components is such that, when a force or a pressure is applied upwardly and longitudinally against an exterior surface portion of the link member 87 , the open end portion of the link member 87 pivots away and becomes disengaged from the associated one of either the handle lower end portion 85 c or the lower band portion 81 .
- the link member 87 When the link member 87 is in the open configuration, the lower end portion 85 c of the handle 85 is open and adapted to fit over and connect with an object, such as a strap, handle, ring, or the like, as those skilled in the art will readily appreciate.
- an object such as a strap, handle, ring, or the like, as those skilled in the art will readily appreciate.
- the link member 87 pivots back to its starting or closed position.
- a cooperating engaged but disengagable relationship is achieved between the link member 87 open end portion and the portion of either the handle open end 85 c or the lower band 81 or stub projection 90 thereof with which the link member 87 open end portion is normally yieldingly engaged by the spring biasing.
- the engaged relationship is variously achievable, but a present preference is to provide a stud-like extension 92 on the open end portion of the link member 87 and also a cooperating mating stud-like receiving depression 91 defined in either the handle 85 open lower end portion 85 or in the lower band portion 81 , as the case may be.
- Such an engaged relationship between extension 92 and depression 91 stabilizes the association between these respective components when engaged and makes the associated engagement resistant to a laterally applied force that might tend to separate these components.
- the stud-like extension 92 is defined by having an integrally formed a leg cross-member adjacent to its outer end, thereby providing a stud-like extension 93 having a T-configuration, and the stud-receiving depression 94 is similarly correspondingly configured.
- Other configurations are also possible.
- the present invention provides a new and very useful plunger assembly 52 for a press structure.
- the plunger assembly 52 comprises, in combination, a lid 97 and a rod 98 that is reciprocatable perpendicularly relative to the center of the lid 97 .
- the rod 98 has a handle 99 at its upper end and a piston 100 at its lower end.
- the handle 99 and the piston 100 conveniently are each threadably associated with a respective different opposed end portion of the rod 98 .
- the piston 100 is here illustratively but preferably comprised of a pair of rings 101 and 102 which are each comprised of a durable, heat resistant, relatively dimensionally stable, molded plastic.
- Each ring 101 and 102 has an outer perimeter defining portion 103 and a pair of diametrically opposed interconnecting cross-braces 104 , 105 .
- the rings 101 and 102 are configured so as to permit them to engage axially with one another with (a) a fine filter screen 106 comprised of stainless steel or the like extended transversely across and therebetween, (b) a threaded center sleeve member 107 axially centered therebetween for threadable engagement with one end of the rod 98 , and (c) a flexible soft plastic ring seal 108 extending circumferentially in a groove 109 defined by and extending circumferentially about the rim edge of the assembled rings 101 , 102 .
- the ring seal 108 is adapted to make a continuous but slidable engagement with adjacent interior surface portions of the cylindrical sides 54 when the piston 100 is positioned diametrically across the interior of the cylindrical vessel 53 .
- the rings 101 , 102 are bonded together by heat sealing, an adhesive, or the like.
- the screen 106 as mounted between the rings 101 , 102 is adapted to permit fluid flow therethrough yet provide a filter for catching and retaining on one side thereof coffee grounds, tea leaf fragments, or the like that may be present in the container 51 during fluid movements in the container 51 including movements induced by reciprocal movements of the rod 98 .
- the lid 97 is provided with an edge adjacent spout 111 through which the liquid contents in the housing 51 may be dispensed as desired by a user.
- the handle 99 as joined to the rod 98 is preferably adapted to be adjacent to, and nestably received in, central, upper surface, concave portions 110 of the lid 97 when the rod 98 is fully extending into and through the lid 97 with the rod 98 length being prechosen to reach down with the attached piston 100 to a location that is near the interior bottom region of the vessel 53 .
- the handle 99 adjacent to its lower side and at its central portion adjacent to the rod 98 includes an outwardly extending opposed fixed pair of keys 112 (see FIG. 22 ) which are each adapted to slidably and longitudinally extend through respective ones of a fixed pair of keyways 114 defined in the lid 97 .
- the keys 112 are longitudinally adjacent to, but downwardly spaced from, the handle 99 by a distance equal to the local thickness of the lid 97 .
- the keys 112 When the handle 99 is then rotated a predetermined limited number of degrees, preferably in the range of from about 15 to about 45 degrees or more, the keys 112 correspondingly rotate over or relative to the lid 97 undersurface and thereby engage the lid 97 and lock the rod 98 and the handle 99 relative to the lid 97 with the piston 100 being located at its maximum depth inside the container 51 . With the handle 99 thus lockingly engaged with the lid 97 , a filtered brew in the container can then be decanted from the spout 111 defined in the lid 97 .
- the lid 97 is provided both with the spout 111 and also with a spout valve assembly 115 which is opened and closed through a similar limited rotational movement of the handle 99 on the plunger rod 98 when the handle 99 is adjacent to the lid 97 .
- the handle 99 when adjacent to the lid 97 is preferably nestably received in a central depression 110 in the lid 97 .
- the keys 112 , the keyways 114 and the component relationships above indicated are generally retained, but the lower outside circumferential edge portions of the lid 97 are smooth in contrast to the multiple ribs 141 provided in the lid 97 shown in FIGS. 13-16 .
- the ribs 141 aid in restricting escape of liquid from the interior of the container 51 when the lid 97 is inserted slidably into and engaged with adjacent inside surfaces defining the mouth 56 .
- a circular valve plate 117 has a surface configuration that permits the plate 117 to be received into and to rest against the underside of the top region of the lid 97 .
- the plate 117 has a central aperture 119 and connected opposed keyways 118 that are defined therethrough.
- the rod 98 is extended through the lid 97 center and through the aperture 119 and the rod 98 is slidable and rotatable relative to the lid 97 and the valve plate 117 .
- the keys 112 engage the keyways 118 of the valve plate 117 and the valve plate 117 can thus be rotated relative to the lid 97 by turning the handle 99 .
- Rotational movement of the plate 117 is thus controlled and limited by the available movement limits of the plate 117 relative to the stops 121 in the channels 122 .
- the valve plate 117 has also defined therein a pair of opposed, here illustratively somewhat ovally shaped, apertures 123 .
- one aperture 123 is aligned with the spout 111 while the other aperture 123 is aligned with a small air pressure relief orifice 125 defined in the lid 97 in dramatically opposed relationship to the spout 111 .
- the valve plate 117 has further defined therein a pair of opposed raised detents 124 , these detents here generally being centered along a (hypothetical) diameter of the valve plate 117 that extends perpendicularly relative to another (hypothetical) diameter along which the spout 111 and the orifice 125 are generally centered.
- the undersurface of the lid 97 has defined therein a pair of proposed arcuately extending guideways 120 within which each detent 124 slides as valve plate 117 rotation occurs. At the end of each guideway 120 , a somewhat enlarged depression or “pit” is provided.
- each detent 124 engages a different “pit” producing a “click” and a positioning for retaining the plate 117 in a stable position.
- a lid bracket support 126 is provided.
- the bracket support 126 can have various configurations, but a presently preferred configuration is shown and described here.
- the bracket support 126 incorporates a pair of diametrically opposed straight cross braces 127 which meet adjacent a central longitudinal axis to define a cylindrical integral body 129 through which a channel 128 is longitudinally defined through which the rod 98 slidably extends and is rotatable.
- the bracket support 126 further incorporates a pair of concentrically arranged circular braces 131 and 132 that join the cross braces 127 at locations of cross over.
- the opposite ends of each cross brace 127 each have defined thereat an integral snap fitting 134 .
- a connector 135 is integrally formed.
- Each connector 129 is adapted to engage and snap fit around and over portions of a different snap fitting 128 .
- a coiled compression spring 136 is positioned over the rod 98 with one end of the spring 136 resting against adjacent surface portions of the support 126 and the other end of the spring 136 resting against adjacent surface portions of the valve plate 117 .
- the spring 136 is assembled with the components at the time when the support 126 is connected with the connectors 135 , and becomes yieldingly compressed as the assembly proceeds.
- the diameter of the spring 136 is such that one end of the spring 136 resides within a circular flange defined on the undersurface of the valve plate 117 and the other end of the spring 136 is received into pocket areas defined in the support 126 .
- a washer 139 is located against the under surface of the valve plate 117 adjacent the spring 136 .
- valve plate 136 is provided on its upper surface with a circular ridge 137 that extends about the perimeter of the central depression 138 in valve plate 117 . As the valve plate 117 rotates, it rides on the ridge 137 which itself rests upon axially adjacent undersurface portions of the lid 97 .
- the handle 99 is optimally provided with a removable friction-fitting insert 140 , upon which a company name or other indicia can be imprinted.
Abstract
An improved coffee press structure is provided wherein the container has transparent side wall portions that are associated with top and bottom caps and an intermediate cage structure. Upper and lower band portions of the cage structure are associated with a handle upper end portion and with a link member, respectively. The link member is pivotable relative to either the handle lower end portion or the lower band portion and is spring biased so that when in a normally closed position, the link member closes the gap between the handle lower end portion and the lower band portion. The press structure also provides two different embodiments of a plunger assembly for association with the container mouth. The plunger assembly embodiments both include a handle, a piston and a rod; and the plunger assembly can remain in place after brewing and during brew dispensing from the container. One of the plunger assembly embodiments includes a spouted lid that is valve equipped, the valve being operated by rotational movement of the handle relative to the lid with the rod being fully extended through the lid.
Description
- This application is a continuation-in-part of pending U.S. Ser. No. 10/651,791, filed Aug. 29, 2003.
- The present invention relates to presses for coffee, tea or the like, and, in particular, to presses having an open top container with preferably transparent side wall portions and with associated bottom and top protective and enforcement portions, and a reciprocating plunger assembly associated with the container.
- Portable, hand-operable brewing/filtering devices or coffee presses have been available for many years. Such an apparatus typically includes a container having an openable top and side walls having a uniform internal cross-section. The top is provided with a lid that receives a slidable rod which is axially reciprocable relative to the container. The rod has a handle at its upper end and a piston at its lower end. The rod and the piston with the lid comprise a plunger assembly. When the rod is reciprocated after hot water and ground coffee or tea leaf fragments have been charged into the container, fresh coffee or tea is produced in the container. Various embodiments and methods of use have been described. Commonly, an embodiment includes means for filtering to separate the residual coffee grounds or the tea leaf fragments from the brewed coffee or tea.
- One problem with prior art coffee presses has been that the user cannot adequately observe the status of the beverage being brewed in the container. Although brewing status can be estimated by elapsed brewing time or by visually observing the color of a brew, with the characteristically opaque prior art coffee press containers, brew color cannot be adequately observed even if the associated plunger assembly is removed from the container. To overcome this problem, a brewing apparatus having a container with transparent portions would be desirable, but such a container has sometimes been inadequate because either it tends to be fragile and easily broken during use, or it has transparent portions with edge regions that are not watertight so that undesirable leakage occurs from the container.
- Another problem with prior art coffee presses is that, after a brewing operation, dispensing of the brewed and filtered beverage from the container is sometimes difficult to achieve in a simple, quick, effective and reliable manner. For example, it may be necessary to remove the lid or change, alter or even substitute components of the plunger assembly before the beverage can be dispensed from the container.
- It would also be desirable to provide a coffee press with an improved openable handle structure that is easy and convenient to removably associate with an object or to grasp with a hand, provides an improved ability to hook over and disengageably connect to a support member (for example, a strap, handle, ring or the like), and provides a secure association with such a support member.
- There is a need for an improved coffee press structure that provides these benefits and overcomes these and other problems. The apparatus achieved by the present invention accomplished those purposes and provides a new and very useful coffee press structure.
- The present invention provides a coffee press structure having an improved container with transparent side wall portions and an improved plunger assembly, preferably in combination with an improved openable handle structure.
- In one aspect, the container has transparent side wall portions that are preferably cross-sectionally cylindrical, and that are associated exteriorly with a combination of (a) respective cap-like fixed bottom and detachable top members, and (b) a cage-like structure having longitudinally extending, circumferentially spaced stud or strap portions that are end interconnected with respective and upper and lower circumferentially extending band portions. The strap portions and the band portions extend over and adjacent to areas of the transparent side wall portions of the container that are between the top and bottom cap-like members. The cap-like bottom and top portions coact with the strap and band portions and the portions cooperate to enclose partially, protect and reinforce the transparent side wall portions of the container structure. The resulting container structure is surprisingly rugged and durable, yet is easily cleansed and is reusable indefinitely.
- In another aspect, the present invention provides a new and very useful handle structure for the container. The main handle body extends longitudinally and exteriorly along the container and has an upper end portion that is connected preferably integrally to a portion of the upper band. The handle also has an open lower end portion.
- A link member is provided that is pivotably associated either with the lower band portion or with the handle lower end portion. The link member is spring biased so that its open end portion is normally in a disengageably engaged relationship with the opposed but adjacently spaced one of either the handle lower end portion or the lower band portion. The interrelationship between components is such that the lower end portion of the handle relative to the container are normally in a closed relationship, but, when a force or a pressure is applied upwardly and longitudinally against an exterior surface portion of the link member, the open end portion of the link member becomes disengaged from the associated engaged one of either the handle lower end portion or the lower band portion, thereby to permit the lower end portion of the handle to fit over and connect with an object. After release of the pressure or force, the link member pivots back to its starting position.
- Preferably, a cooperating engaged but disengagable relationship is achieved between the pivotable link member open end portion and normally engaged adjacent the portion of either the handle open end or the lower band, as the case may be. The engaged relationship is variously achievable, but a present preference is to provide a stud-like extension on the open end portion of the link member and a cooperating mating stud-receiving depression defined in the handle open lower end portion or in the lower ring portion. Such an engaged relationship stabilizes the association between these respective components when they are engaged.
- In a more preferred embodiment, the stud-like extension has a cross member located adjacent its outer end, thereby providing a stud-like extension having a T-configuration, and the stud-receiving depression is similarly correspondingly configured to receive such T-configured stud-like extension.
- In another aspect, the present invention provides a new and very useful plunger assembly for a coffee press structure. The plunger assembly comprises, in combination, a lid, a rod that is reciprocatable relative to the center of the lid, and a piston at the rod lower end. Conveniently and preferably, the rod has a handle at its upper end. The piston has a perimeter that is adapted to sealingly but slidably engage inside wall surface portions of the container side wall regions. Also, the piston includes mid-regions having screen means adapted to permit fluid flow therethrough yet provide a filter for catching and retaining on one side thereof coffee grounds or tea leaf fragments present in the container during fluid movements in the container and reciprocal movements of the rod. A handle joined to the rod opposite end portion is adapted to be adjacent to, and to be nestably received in, upper surface portions of the lid when the rod is fully extending into and through the lid. The lid had a spout defined therein. The need to change, or exchange, plunger assembly components before dispensing of filtered brew from the container is thus avoided.
- In a preferred embodiment of the plunger assembly, the handle at its central portion adjacent to the rod includes an outwardly extending opposed fixed pair of keys which are each adapted to longitudinally extend slidably through respective ones of a fixed pair of keyways defined in the lid. The keys are longitudinally adjacent to, but downwardly spaced from, the handle by a distance equal to the local thickness of the lid. When the rod is moved to a position where the associated handle is adjacent to the lid, the keys extend into the keyways. When the handle is then rotated a predetermined limited number of degrees, the keys correspondingly rotate over adjacent lid undersurface portions and thereby engage and lock the rod and the handle relative to the lid with the piston being located at its maximum depth inside the container. With the handle thus engaged and locked with the lid, a filtered brew in the container can then be decanted from a spout defined in the container.
- In another preferred embodiment of the plunger assembly, the lid is provided with a spout and with a spout valve which is opened and closed through limited rotational movement of the handle of the plunger rod when the handle is adjacent to the lid. The handle when adjacent to the lid is preferably nestably received in a central depression in the lid.
- Other and further objects, aims, features, purposes, advantages, embodiments, variations and the like will become apparent to those skilled in the art from teachings of the present invention taken with the accompanying drawings and the appended claims.
- In the drawings:
-
FIG. 1 is an environmental perspective view of one embodiment of the inventive coffee press, the coffee press comprising a container assembly in illustrative combination with a plunger assembly; -
FIG. 2 is a side elevational view of one side of theFIG. 1 embodiment; -
FIG. 3 is a top plan view of theFIG. 1 embodiment; -
FIG. 4 is a bottom plan view of theFIG. 1 embodiment; -
FIG. 5 is a view similar toFIG. 2 but with the cap removed, and with handle closing link opened; -
FIG. 6 is a perspective view similar toFIG. 5 with the cap removed, the handle closing link closed, and the handle, rod, and piston subassembly elevated relative to the lid; -
FIG. 7 is a top plan view of theFIG. 5 embodiment; -
FIG. 8 is a bottom plan view of theFIG. 5 embodiment; -
FIG. 9 is a fragmentary detail perspective view showing the handle closing link in separated, adjacent relationship relative to the lower open end of the handle; -
FIG. 10 is a detail view showing the open end of the handle closing link; -
FIG. 11 is a detail view showing the handle closing link in side elevation; -
FIG. 12 is a fragmentary detail perspective view showing the handle closing link and the lower end of the handle with the handle-closing link being in an open position; -
FIG. 13 is an environmental perspective view of the plunger assembly embodiment of the inventive coffee press embodiment ofFIG. 1 andFIG. 6 , the handle, rod and piston subassembly being elevated relative to the lid; -
FIG. 14 is a perspective view showing the bottom side of the lid and the bottom side of the piston; -
FIG. 15 is a side elevational view of the embodiment shown inFIG. 14 ; -
FIG. 16 is a view similar toFIG. 15 but with the embodiment rotated 90°, with a portion of the rod being broken away, and with the piston being shown in an exploded format; -
FIG. 17 is an exploded perspective view of theFIG. 1 embodiment; -
FIG. 18 is a vertical axial sectional view through the lid region of an alternative embodiment of the plunger assembly, this embodiment including a spout valve; -
FIG. 19 is a vertical axial sectional view through the top cap of theFIG. 1 embodiment; -
FIG. 20 is an exploded view of the top cap of theFIG. 1 embodiment; -
FIG. 21 is a fragmentary view of a bottom region of the vessel incorporated into theFIG. 1 embodiment; -
FIG. 22 is an exploded perspective view of the plunger assembly embodiment shown inFIG. 18 ; -
FIG. 23 is an exploded perspective view of the handle and rod subassembly shown inFIG. 22 ; -
FIG. 24 is a fragmentary vertical sectional view through the lid and valve assembly of theFIG. 18 embodiment; -
FIG. 25 is a another fragmentary vertical sectional view through the lid of theFIG. 18 embodiment; and -
FIG. 26 is a further fragmentary vertical view through the lid of theFIG. 18 embodiment. - Referring to the Figures, there is seen an embodiment 50 of a coffee press of the present invention. The press 50 includes a housing or
container assembly 51 and aplunger assembly 52. The container orhousing assembly 51 comprises acylindrical vessel 53 having generallycylindrical side walls 54, a closed bottom 55, and an opentop mouth 56 whose exterior,adjacent lip regions 57 are threaded. Thevessel 53 is preferably comprised of a unitarily molded, transparent molded plastic. Various plastics are suitable and preferably are impact resistant and also heat resistant both for purposes of holding heated aqueous liquids, like coffee or tea, and for purposes of washing the press 50 in an automatic dishwasher or the like. Examples of suitable plastics include polycarbonates, various polyacrylics, certain styrenic polymers, and the like, as those skilled in the art will readily appreciate. - The base or lower portion of the
vessel 53 is associated with an overfitting, unitarily preformedmetal cap 59 that is preferably comprised of stainless steel and that hascylindrical side walls 60 and a flattenedbottom 61. Thecap 59 can be variously mounted to thevessel 53. Adhesive means can be used. Preferably, the bottom 61 is provided with a slightly recessed central portion relative to its perimeter portion. While various mechanical means or adhesive means can be employed to mount thebottom cap 59 over thevessel 52 closed bottom 55, the present preference is to extend perpendicularly through the bottom portion a plurality (preferably three) of symmetrically equally spaced short machine screws 62 which are each threadably engaged with exteriorly projecting, local thickenedregions 63 preliminarily provided by molding in the bottom 55. Thereafter, with the screws 62 engaged with the bottom 55, aflat rubber disk 64 is preferably bonded in and upon the recessed portion, if present, of the bottom 55 by means of an adhesive (conventional, not detailed). Thisdisk 64 is preferably at least thick enough to support the press 50 in an upright position without outer perimeter portions, if present, of bottom 55 contacting a supporting flat surface (not detailed). - An
exterior lip 57 circumferentially extends around thetop mouth 56 and is threaded circumferentially so as to be engageable with an overfittingtop cap 66. A preferred structure forcap 66 is shown inFIGS. 19 and 20 .Cap 66 includes exteriorly a unitarily preformedmetal cup 67 that is preferably comprised of stainless steel and that has cylindrical side walls 68 and a flattened top 69. Inserted into the interior of thecup 67 is aliner 71 that is comprised preferably of a heat resistant molded plastic, such as a polypropylene or the like. Theliner 71 preferably includes a thickened circumferentially extendingterminal edge region 72, adjacentcylindrical side portions 73, inwardly slopingupper side walls 74, and atop plate 75 that is somewhat elevated relative to theside walls 74 by a longitudinally short,cylindrical extension 76. The dimensions ofliner 71 are such that theside portions 73 slidably engage inside wall surface portions of the side walls 68 and thetop plate 75 abuts against inside surface portions of the top 69. Adjacent theedge region 72, interior circumferentially extending surface regions are threaded (seeFIG. 19 , for example) and are adapted to threadably engage the exteriorly threadedlip 57 ofvessel 53. Preferably, portions of theliner 71 that contact portions of thecup 66 are bonded thereto by an adhesive (not shown, conventional). - The
cylindrical side wall 54 surfaces are engaged, preferably slidably, with the cage-type support structure 78. Thestructure 78 includes a plurality (preferably 4) of circumferentially preferably equally spaced longitudinally extending flattened strip orstud portions 79 and an upper and lower circumferentially extending ring or flattenedband portions stud portions 79 and theband portions side wall portions 54 and cooperate with the cap-like bottom and top portions. Various arrangements can be used, but it is presently preferred for thestud portions 79 to be integrally formed at their lower ends with thelower band 81, for theupper band 80 to be formed of an upper band portion 80 a and a lower, longitudinally shorter adjacent lower band portion 80 b, and for thestud portions 79 to be integrally formed at their upper ends with the lower band portion 80 b of theupper ring 80. Thecage support structure 78 is slidably engaged longitudinally over theside walls 54. Thebottom cap 59 and thetop cap 66 coact with thecage support structure 78 and the components function together to enclose partially, protect and reinforce the transparentside wall portions 54 and bottom 55. The resulting housing orcontainer structure 51 is surprisingly rugged and durable, yet is easily cleansed and is reusable indefinitely. - The upper circumferentially extending edge of the
upper band 80 is conveniently provided with agasket member 83 that can also serve as a decorative colored trim ring, if desired. When thecap 66 is fully threadably engaged with themouth region 56 of thevessel 53, theedge region 72 can seat against thegasket member 83. A watertight relationship between themouth 56 and thecap 66 is thus achieved. - In another aspect, the present invention provides a new and very useful cooperative assembly of
handle structure 85 for thecontainer 51. Themain handle body 85 a extends longitudinally and exteriorly adjacent to but spaced from thesides 54 along thecontainer 51. The upper end portion 85 b ofhandle 85 is connected preferably integrally by molded plastic to theupper band 80 in a butt-type connection. For structural rigidity, thehandle structure 85 can preferably include a metal core (not shown), if desired. Thehandle 85 has an openlower end portion 85 c. - A
link member 87 is provided that is pivotably associated at one end thereof either with a portion of thelower band 81 or with a portion of the handlelower end portion 85 c. Thelink member 87 is spring biased by acoiled spring 88 that is preferably disposed about thepintle 89 over which one end of thelink member 87 pivots. Thepintle 89 extends through either (a) astub projection 90 on thelower band 81 for mounting one end of thelink member 87 thereto, or (b) a terminal end region of thelower end portion 85 c of thehandle 85 for mounting one end of thelink member 87 thereto, as the case may be. It is presently preferred for thelower band 81 to be formed with astub projection 90 regardless of whether or not thelink member 87 pivots relative to the stub projection or relative to thelower end portion 85 c of thehandle 85. The opposite or open end portion of thelink member 87 is normally in an disengagably engaged relationship with the opposite one of either the handlelower end portion 85 c or the lower ring orband portion 81, as the case may be. The interrelationship between components is such that, when a force or a pressure is applied upwardly and longitudinally against an exterior surface portion of thelink member 87, the open end portion of thelink member 87 pivots away and becomes disengaged from the associated one of either the handlelower end portion 85 c or thelower band portion 81. When thelink member 87 is in the open configuration, thelower end portion 85 c of thehandle 85 is open and adapted to fit over and connect with an object, such as a strap, handle, ring, or the like, as those skilled in the art will readily appreciate. After release of the pressure or force, such as many occur after the object has moved passed thelink member 87 and is located between the handlemain portion 85 a and adjacent portions of thecylindrical sides 54, thelink member 87 pivots back to its starting or closed position. - Preferably, a cooperating engaged but disengagable relationship is achieved between the
link member 87 open end portion and the portion of either the handleopen end 85 c or thelower band 81 orstub projection 90 thereof with which thelink member 87 open end portion is normally yieldingly engaged by the spring biasing. The engaged relationship is variously achievable, but a present preference is to provide a stud-like extension 92 on the open end portion of thelink member 87 and also a cooperating mating stud-like receivingdepression 91 defined in either thehandle 85 openlower end portion 85 or in thelower band portion 81, as the case may be. Such an engaged relationship betweenextension 92 anddepression 91 stabilizes the association between these respective components when engaged and makes the associated engagement resistant to a laterally applied force that might tend to separate these components. - In a more preferred embodiment, the stud-
like extension 92 is defined by having an integrally formed a leg cross-member adjacent to its outer end, thereby providing a stud-like extension 93 having a T-configuration, and the stud-receivingdepression 94 is similarly correspondingly configured. Other configurations are also possible. - In another aspect, the present invention provides a new and very
useful plunger assembly 52 for a press structure. Theplunger assembly 52 comprises, in combination, alid 97 and arod 98 that is reciprocatable perpendicularly relative to the center of thelid 97. Therod 98 has ahandle 99 at its upper end and apiston 100 at its lower end. Thehandle 99 and thepiston 100 conveniently are each threadably associated with a respective different opposed end portion of therod 98. - The
piston 100 is here illustratively but preferably comprised of a pair ofrings 101 and 102 which are each comprised of a durable, heat resistant, relatively dimensionally stable, molded plastic. Eachring 101 and 102 has an outerperimeter defining portion 103 and a pair of diametrically opposed interconnectingcross-braces rings 101 and 102 are configured so as to permit them to engage axially with one another with (a) afine filter screen 106 comprised of stainless steel or the like extended transversely across and therebetween, (b) a threadedcenter sleeve member 107 axially centered therebetween for threadable engagement with one end of therod 98, and (c) a flexible softplastic ring seal 108 extending circumferentially in agroove 109 defined by and extending circumferentially about the rim edge of the assembled rings 101, 102. Thering seal 108 is adapted to make a continuous but slidable engagement with adjacent interior surface portions of thecylindrical sides 54 when thepiston 100 is positioned diametrically across the interior of thecylindrical vessel 53. With thescreen 106 and thering seal 108 in position, therings 101, 102 are bonded together by heat sealing, an adhesive, or the like. Thescreen 106 as mounted between therings 101, 102 is adapted to permit fluid flow therethrough yet provide a filter for catching and retaining on one side thereof coffee grounds, tea leaf fragments, or the like that may be present in thecontainer 51 during fluid movements in thecontainer 51 including movements induced by reciprocal movements of therod 98. - The
lid 97 is provided with an edge adjacent spout 111 through which the liquid contents in thehousing 51 may be dispensed as desired by a user. Thehandle 99 as joined to therod 98 is preferably adapted to be adjacent to, and nestably received in, central, upper surface,concave portions 110 of thelid 97 when therod 98 is fully extending into and through thelid 97 with therod 98 length being prechosen to reach down with the attachedpiston 100 to a location that is near the interior bottom region of thevessel 53. When a brewing operation in thevessel 53 is completed by a user, the need to change, or exchange, components before dispensing of filtered brew is thus avoided. - In a preferred embodiment of the
plunger assembly 52, thehandle 99 adjacent to its lower side and at its central portion adjacent to therod 98 includes an outwardly extending opposed fixed pair of keys 112 (seeFIG. 22 ) which are each adapted to slidably and longitudinally extend through respective ones of a fixed pair ofkeyways 114 defined in thelid 97. Thekeys 112 are longitudinally adjacent to, but downwardly spaced from, thehandle 99 by a distance equal to the local thickness of thelid 97. When the rod-associatedhandle 99 is moved downwardly into a location adjacent to thelid 97, thekeys 112 extend into and through thekeyways 114. When thehandle 99 is then rotated a predetermined limited number of degrees, preferably in the range of from about 15 to about 45 degrees or more, thekeys 112 correspondingly rotate over or relative to thelid 97 undersurface and thereby engage thelid 97 and lock therod 98 and thehandle 99 relative to thelid 97 with thepiston 100 being located at its maximum depth inside thecontainer 51. With thehandle 99 thus lockingly engaged with thelid 97, a filtered brew in the container can then be decanted from the spout 111 defined in thelid 97. - In another preferred embodiment of the plunger assembly 52 (shown in
FIGS. 18 and 22 , for example), thelid 97 is provided both with the spout 111 and also with aspout valve assembly 115 which is opened and closed through a similar limited rotational movement of thehandle 99 on theplunger rod 98 when thehandle 99 is adjacent to thelid 97. Thehandle 99 when adjacent to thelid 97 is preferably nestably received in acentral depression 110 in thelid 97. In this embodiment, thekeys 112, thekeyways 114 and the component relationships above indicated are generally retained, but the lower outside circumferential edge portions of thelid 97 are smooth in contrast to themultiple ribs 141 provided in thelid 97 shown inFIGS. 13-16 . Theribs 141 aid in restricting escape of liquid from the interior of thecontainer 51 when thelid 97 is inserted slidably into and engaged with adjacent inside surfaces defining themouth 56. - The structure of the
spout valve assembly 115 and its association with thelid 97 of aplunger assembly 52 is illustrated, for example, inFIGS. 18 and 22 -26. Acircular valve plate 117 has a surface configuration that permits theplate 117 to be received into and to rest against the underside of the top region of thelid 97. Theplate 117 has acentral aperture 119 and connectedopposed keyways 118 that are defined therethrough. Therod 98 is extended through thelid 97 center and through theaperture 119 and therod 98 is slidable and rotatable relative to thelid 97 and thevalve plate 117. When thehandle 99 is located adjacent to thelid 97 and thekeys 112 have been extended through thekeyways 114, thekeys 112 engage thekeyways 118 of thevalve plate 117 and thevalve plate 117 can thus be rotated relative to thelid 97 by turning thehandle 99. - As the
valve plate 117 fits against thelid 97, each one of a pair ofopposed stops 121 defined on the under surface of thelid 97 engages a different one of a pair ofarcuate channels 122 defined in thevalve plate 117. Rotational movement of theplate 117 is thus controlled and limited by the available movement limits of theplate 117 relative to thestops 121 in thechannels 122. - The
valve plate 117 has also defined therein a pair of opposed, here illustratively somewhat ovally shaped, apertures 123. When theplate 117 is rotated so as to be at one end of thechannels 122, oneaperture 123 is aligned with the spout 111 while theother aperture 123 is aligned with a small airpressure relief orifice 125 defined in thelid 97 in dramatically opposed relationship to the spout 111. - The
valve plate 117 has further defined therein a pair of opposed raiseddetents 124, these detents here generally being centered along a (hypothetical) diameter of thevalve plate 117 that extends perpendicularly relative to another (hypothetical) diameter along which the spout 111 and theorifice 125 are generally centered. The undersurface of thelid 97 has defined therein a pair of proposed arcuately extendingguideways 120 within which eachdetent 124 slides asvalve plate 117 rotation occurs. At the end of eachguideway 120, a somewhat enlarged depression or “pit” is provided. Thus, at the end of each opposite extent of rotational movement ofplate 117 relative tolid 97, eachdetent 124 engages a different “pit” producing a “click” and a positioning for retaining theplate 117 in a stable position. - To retain the
valve plate 117 in association with thelid 97 undersurface, alid bracket support 126 is provided. Thebracket support 126 can have various configurations, but a presently preferred configuration is shown and described here. Thus thebracket support 126 incorporates a pair of diametrically opposed straight cross braces 127 which meet adjacent a central longitudinal axis to define a cylindrical integral body 129 through which a channel 128 is longitudinally defined through which therod 98 slidably extends and is rotatable. Thebracket support 126 further incorporates a pair of concentrically arrangedcircular braces cross brace 127 each have defined thereat an integral snap fitting 134. At 90° intervals along the inside surface of the side wall of the lid 97 aconnector 135 is integrally formed. Each connector 129 is adapted to engage and snap fit around and over portions of a different snap fitting 128. When thebracket support 126 is axially advanced into the interior of thelid 97, the snap fittings become engaged with the connectors 129, thereby holding and fixing the position of thebracket support 126 across the interior of thelid 97. - To maintain the
valve plate 117 against the under surface of thelid 97, acoiled compression spring 136 is positioned over therod 98 with one end of thespring 136 resting against adjacent surface portions of thesupport 126 and the other end of thespring 136 resting against adjacent surface portions of thevalve plate 117. Thespring 136 is assembled with the components at the time when thesupport 126 is connected with theconnectors 135, and becomes yieldingly compressed as the assembly proceeds. The diameter of thespring 136 is such that one end of thespring 136 resides within a circular flange defined on the undersurface of thevalve plate 117 and the other end of thespring 136 is received into pocket areas defined in thesupport 126. To prevent thespring 136 from binding, awasher 139 is located against the under surface of thevalve plate 117 adjacent thespring 136. - The
valve plate 136 is provided on its upper surface with acircular ridge 137 that extends about the perimeter of thecentral depression 138 invalve plate 117. As thevalve plate 117 rotates, it rides on theridge 137 which itself rests upon axially adjacent undersurface portions of thelid 97. - As shown in
FIG. 23 , thehandle 99 is optimally provided with a removable friction-fittinginsert 140, upon which a company name or other indicia can be imprinted. - As those skilled in the relevant arts will appreciate, numerous structural and functional modifications and adaptations may be made in the structures of the present invention without departing from the spirit and scope of the invention.
Claims (31)
1. A container for a coffee press or the like comprising in combination:
(a) a vessel having side walls, a bottom wall and an open top;
(b) a top cap removably mounted about said open top;
(c) said vessel having extending perimetrically thereabout an upper band and a longitudinally lower band;
(d) a handle that extends along and adjacent to exterior portions of said side walls and that has an upper end portion and a lower end portion, said upper end portion being connected to said upper band and said lower end portion being open; and
(e) a linking member having opposed terminal portions, said linking member including hinge means for pivotably engaging one said terminal portions with one of either said lower band or said lower end portion for enabling said other terminal portion to pivot to and away from the other of either said lower end portion or said lower band, as the case may be, and
(f) spring means yieldingly biasing said other terminal portion into engaged relationship with said other of either said lower end portion or said lower band.
2. A container for a coffee press or the like comprising in combination:
(a) a vessel having side walls, a bottom wall, and an open top;
(b) a top cap removably mounted about said open top;
(c) a cage structure extending over exterior portions of said side walls, said cage structure including an upper circumferentially extending band, a lower circumferentially extending band, and a plurality of longitudinally extending, circumferentially spaced straps extending between said upper band and said lower band;
(d) a handle that extends along and adjacent to exterior portions of said side walls and that has an upper end portion and a lower end portion, said upper end portion being connected to said upper band and said lower end portion being open; and
(e) a linking member having opposed terminal portions, said linking member including hinge means for pivotably engaging one said terminal portions with one of either said lower band or said lower end portion for enabling said other terminal portion to pivot to and away from the other of either said lower end portion or said lower band, as the case may be, and
(f) spring means yieldingly biasing said other terminal portion into engaged relationship with said other of either said lower end portion or said lower band.
3. A container for a coffee press or the like comprising in combination:
(a) a vessel having cylindrical side walls, a closed, flattened bottom wall, and an open top with exterior circumferentially extending first thread means defined in said side walls adjacent to said open top;
(b) a bottom cap mounted over said bottom wall and bottom wall adjacent portions of said side walls including means mounting said bottom cap to said vessel;
(c) a top cap demountably mounted over said open top and top adjacent portions of said side walls, said top cap including interior, circumferentially extending second thread means defined adjacent terminal portions of said top cap, said second thread means being threadably engaged with said first thread means whereby said top cap is removably mounted over said open top;
(d) a cage structure extending over exterior portions of said side walls between said bottom cap and said top cap, said cage structure including an upper circumferentially extending band adjacent to said top cap, a lower circumferentially extending band adjacent to said bottom cap, and a plurality of longitudinally extending, circumferentially spaced straps extending between said upper band and said lower band;
(e) a handle that extends along and adjacent to exterior portions of said side walls and that has an upper end portion and a lower end portion, said upper end portion being integrally associated with said upper band and said lower end portion being open; and
(f) a linking member having opposed terminal portions, said linking member including hinge means for pivotably engaging one of said terminal portions with one of either said lower band or said lower end portion for enabling said other terminal portion to pivot to and away from the other of either said lower end portion or said lower band, as the case may be, and further including spring means yieldingly biasing said other terminal portion into engaged relationship with said other of either said lower end portion or said lower band.
4. The container of claim 3 wherein said mounting means comprises a plurality of screws extended through said bottom cap into threaded engagement with preformed, downwardly and outwardly projecting stumps preformed in said bottom wall.
5. The container of claim 3 wherein said bottom cap and said top cap are comprised of stainless steel.
6. The container of claim 5 wherein said top cap includes a plastic liner in which said second thread means is defined.
7. The container of claim 3 wherein said handle has a molded plastic exterior and an internal metal reinforcement.
8. The container of claim 3 wherein said lower band includes a localized thickened, outwardly projecting region that is adapted either to associate with said hinge means or to permit said other terminal portion of said linking member to abut thereagainst, as the case may be.
9. The container of claim 8 wherein said other terminal portion of said linking member includes a projecting stud member and either said outwardly projecting region or said lower end portion, as the case may be, includes a depression that matingly receives said stud member when said other terminal portion of said linking member is in said engaged relationship therewith.
10. The container of claim 7 wherein said projecting stud member has a T-configuration and said depression has a mating configuration.
11. The container of claim 10 wherein said projecting stud member engages said depression in said lower end.
12. The container of claim 10 wherein said projecting stud member of said linking member engages said depression in said lower end.
13. The combination of a container and a handle structure wherein said projecting stud member is in said lower end and engages said depression in said linking member.
14. The combination of a container and a handle structure wherein the handle structure comprises:
an elongated arm having first and second ends, said first end being associated with the container, said second end being downwardly disposed in spaced relationship from said first end and in laterally disposed relationship relative to said container; and
a linking member having opposed terminal portions, said linking member including hinge means for pivotably engaging one of said terminal portions with one of either said second end or said container for enabling said other terminal portion to pivot to and away from the other of either said second end or said container, as the case may be, and further including spring means yieldingly biasing said other terminal portion into engaged relationship with said other of either said second end or said container.
15. The combination of claim 14 wherein said container is provided with a projection with which either said one terminal portion is pivotably engaged or with which said other terminal portion yieldingly engages.
16. The combination of claim 14 wherein said other terminal portion has defined thereon a projecting stud member and the other of either said second end or said projection, as the case may be, has a defined therein a depression which matingly receives said stud member when said other terminal portion is so pivotably engaged therewith.
17. The combination of claim 14 wherein said stud member is generally T-configured and said depression is adapted to matingly receive said stud member.
18. The combination of a container and a handle structure wherein the handle structure comprises:
an elongated arm having first and second ends, said first end being connected to an upper band that circumferentially extends around an upper portion of said container, said second end being downwardly disposed in spaced relationship from said first end and in laterally disposed relationship relative to said container;
a linking member having opposed terminal portions, said linking member including hinge means for pivotably engaging one of said terminal portions with one of either said second end or a lower band that circumferentially extends around a lower portion of said container for enabling said other terminal portion to pivot to and away from the other of either said second end or said lower band, as the case may be, and further including spring means yieldingly biasing said other terminal portion into engaged relationship with said other of either said second end or said lower band.
19. The combination of claim 18 wherein said one terminal portion is so pivotably engaged with said lower band and said other terminal portion is yieldingly biased into engagement with said second end.
20. The combination of claim 18 wherein said one terminal portion is so pivotably engaged with said second end and said other terminal portion is yieldingly biased into engagement with said lower band.
21. The combination of claim 18 wherein said lower band is provided with a projection with which either said one terminal portion is pivotably engaged or with which said other terminal portion yieldingly engages.
22. The combination of claim 18 wherein said other terminal portion has defined thereon a projecting stud member and the other of either said second end or said lower band, as the case may be, has a defined therein a depression which matingly receives said stud member when said other terminal portion is so pivotably engaged therewith.
23. The combination of claim 22 wherein said stud member is generally T-configured and said depression is adapted to matingly receive said stud member.
24. A plunger assembly for a coffee press comprising in combination a lid, a rod, a handle and a screened piston,
said rod being longitudinally and perpendicularly slidable through a central aperture defined in said lid,
said handle and said piston each being associated with a different opposite end of said rod;
said piston comprising in combination
a vertically associatable pair of ring structures, each said ring structure having a circumferentially extending rim portion and a pair of diametrically opposed, diametrically extending cross spoke portions which at their center cross-over location define an aperture that is associatable with said rod including means for holding said pair of ring structures together cooperatively in vertical alignment,
a parametrically extending resilient gasket member projecting radially outwards from circumferential side portions of said so aligned pair of ring structures;
a screen mesh located between portions of said aligned pair of ring structures and extending across open regions between said spoke portions and said rim portions for filtration, and
said lid having a spout defined therein.
25. The plunger assembly of claim 24 wherein along said rod in spaced adjacent relationship to said handle a pair of opposed, outwardly extending keys is provided, and said lid aperture includes a pair of opposed, outwardly extending keyways through which said keys are extendable whereby when said handle with associated rod is located adjacent to said lid, said keys extend through said keyways, and, when said handle is rotated with said associated rod, said keys engage undersurface portions of said lid whereby said handle, said rod, and said piston are locked to said lid.
26. The plunger assembly of claim 25 wherein a valve plate is located adjacent interior upper surface portions of said lid, and said valve plate has
an aperture defined therein that is vertically alignable with said spout;
a central aperture defined therein with an associated opposed pair of outwardly extending second keyways defined therein, and
said valve plate is rotatable relative to said lid by rotating said handle when said rod with said keys is extended through said lid and said handle is adjacent said lid and said keys are associated with said second keyways.
27. The plunger assembly of claim 26 wherein retaining means is provided for holding said valve plate adjacent said interior upper surface portions.
28. A coffee press comprising the container of claim 1 and the plunger assembly of claim 24 .
29. A coffee press comprising the container of claim 1 and the plunger assembly of claim 25 .
30. A coffee press comprising the container of claim 1 and the plunger assembly of claim 26 .
31. A coffee press comprising the container of claim 1 and the plunger assembly of claim 27.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US10/765,460 US20050046211A1 (en) | 2003-08-29 | 2004-02-11 | Coffee press |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US10/651,791 US20050046210A1 (en) | 2003-08-29 | 2003-08-29 | Handle with openable end |
US10/765,460 US20050046211A1 (en) | 2003-08-29 | 2004-02-11 | Coffee press |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/651,791 Continuation-In-Part US20050046210A1 (en) | 2003-08-29 | 2003-08-29 | Handle with openable end |
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US20050046211A1 true US20050046211A1 (en) | 2005-03-03 |
Family
ID=46301847
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US10/765,460 Abandoned US20050046211A1 (en) | 2003-08-29 | 2004-02-11 | Coffee press |
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US (1) | US20050046211A1 (en) |
Cited By (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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US20100275785A1 (en) * | 2009-04-29 | 2010-11-04 | Michael Weissman | Automatic french press |
US20100294135A1 (en) * | 2009-05-22 | 2010-11-25 | Michael Weissman | Automatic French Press |
CN102450915A (en) * | 2010-10-25 | 2012-05-16 | 昆山富隆家庭用品有限公司 | Filter press open type cup cover |
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US9113698B2 (en) | 2013-03-15 | 2015-08-25 | Camelbak Products, Llc | Drink containers and cap assemblies |
US20150238041A1 (en) * | 2012-08-26 | 2015-08-27 | Matthew Joseph DEASY | Coffee brewing |
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US20160135635A1 (en) * | 2014-11-15 | 2016-05-19 | Michael Boniello | Apparatus for infusing a product with an herb |
US9392900B2 (en) | 2008-05-12 | 2016-07-19 | Espro, Inc. | Apparatus and method for extracting an infusion |
USD761624S1 (en) | 2014-08-05 | 2016-07-19 | Espro, Inc. | Infusing container |
USD795630S1 (en) | 2015-08-19 | 2017-08-29 | Bruce Constantine | Beverage press |
USD796244S1 (en) | 2016-02-11 | 2017-09-05 | Espro, Inc. | Beverage press |
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US20180339248A1 (en) * | 2017-05-23 | 2018-11-29 | Kohler Co. | Water filter system |
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Cited By (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080049790A1 (en) * | 2003-10-23 | 2008-02-28 | Panduit Corp. | System to Guide and Monitor the Installation and Revision of Network Cabling of an Active Jack Network System |
US10398255B2 (en) | 2006-02-13 | 2019-09-03 | Espro Inc. | Steaming pitcher methods and devices |
US9408490B2 (en) | 2008-05-12 | 2016-08-09 | Espro, Inc. | Apparatus and method for extracting an infusion |
US10172495B2 (en) | 2008-05-12 | 2019-01-08 | Espro, Inc. | Devices and methods for extracting an infusion |
US10368685B2 (en) | 2008-05-12 | 2019-08-06 | Espro Inc. | Apparatus and method for extracting an infusion |
US9392900B2 (en) | 2008-05-12 | 2016-07-19 | Espro, Inc. | Apparatus and method for extracting an infusion |
US20120199160A1 (en) * | 2008-06-24 | 2012-08-09 | Pio Galbis | Device and Method for Cleaning a French or Coffee Press |
US20100275785A1 (en) * | 2009-04-29 | 2010-11-04 | Michael Weissman | Automatic french press |
US20100294135A1 (en) * | 2009-05-22 | 2010-11-25 | Michael Weissman | Automatic French Press |
CN102450915A (en) * | 2010-10-25 | 2012-05-16 | 昆山富隆家庭用品有限公司 | Filter press open type cup cover |
US20150238041A1 (en) * | 2012-08-26 | 2015-08-27 | Matthew Joseph DEASY | Coffee brewing |
US10076209B2 (en) * | 2012-08-26 | 2018-09-18 | Matthew Joseph DEASY | Coffee brewing |
US9113698B2 (en) | 2013-03-15 | 2015-08-25 | Camelbak Products, Llc | Drink containers and cap assemblies |
US9456710B2 (en) | 2013-03-15 | 2016-10-04 | Camelbak Products, Llc | Drink containers and cap assemblies |
US9232873B2 (en) * | 2013-06-03 | 2016-01-12 | Starbucks Corporation | Method for brewing a beverage |
US20140356501A1 (en) * | 2013-06-03 | 2014-12-04 | Starbucks Corporation D/B/A Starbucks Coffee Company | Apparatus and method for brewing a beverage |
US20150282664A1 (en) * | 2014-04-07 | 2015-10-08 | Michael C. Savage | Beverage pod press |
USD761624S1 (en) | 2014-08-05 | 2016-07-19 | Espro, Inc. | Infusing container |
US10264911B2 (en) | 2014-08-07 | 2019-04-23 | Espro, Inc. | Press for extracting an infusion |
US20160135635A1 (en) * | 2014-11-15 | 2016-05-19 | Michael Boniello | Apparatus for infusing a product with an herb |
USD795630S1 (en) | 2015-08-19 | 2017-08-29 | Bruce Constantine | Beverage press |
USD796244S1 (en) | 2016-02-11 | 2017-09-05 | Espro, Inc. | Beverage press |
USD836396S1 (en) | 2017-05-09 | 2018-12-25 | Otter Products, Llc | Beverage container |
USD834892S1 (en) | 2017-05-09 | 2018-12-04 | Otter Products, Llc | Beverage container |
USD817683S1 (en) | 2017-05-09 | 2018-05-15 | Otter Products, Llc | Lid for a beverage container |
USD814854S1 (en) | 2017-05-09 | 2018-04-10 | Otter Products, Llc | Lid for a beverage container |
USD842028S1 (en) | 2017-05-09 | 2019-03-05 | Otter Products, Llc | Lid for a beverage container |
USD814852S1 (en) | 2017-05-09 | 2018-04-10 | Otter Products, Llc | Lid for a beverage container |
USD834376S1 (en) | 2017-05-09 | 2018-11-27 | Otter Products, Llc | Sleeve for a beverage container |
USD814853S1 (en) | 2017-05-09 | 2018-04-10 | Otter Products, Llc | Lid for a beverage container |
USD862976S1 (en) | 2017-05-09 | 2019-10-15 | Otter Products, Llc | Lid for a beverage container |
US11638891B2 (en) * | 2017-05-23 | 2023-05-02 | Kohler Co. | Water filter system |
US20180339248A1 (en) * | 2017-05-23 | 2018-11-29 | Kohler Co. | Water filter system |
USD862977S1 (en) | 2018-01-08 | 2019-10-15 | Otter Products, Llc | Lid for a beverage container |
USD863874S1 (en) | 2018-01-08 | 2019-10-22 | Otter Products, Llc | Lid for a beverage container |
USD860715S1 (en) | 2018-09-17 | 2019-09-24 | Otter Products, Llc | Lid for a beverage container |
USD885841S1 (en) | 2018-09-17 | 2020-06-02 | Otter Products, Llc | Beverage container |
USD902657S1 (en) | 2018-09-17 | 2020-11-24 | Otter Products, Llc | Beverage container |
USD904122S1 (en) | 2018-09-17 | 2020-12-08 | Otter Products, Llc | Beverage container |
WO2020095108A1 (en) * | 2018-11-09 | 2020-05-14 | Sky Chain Trading Ltd. | Container with recessed handle |
USD925290S1 (en) | 2019-07-22 | 2021-07-20 | Otter Products, Llc | Beverage container |
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Legal Events
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Owner name: IGNITE DESIGN, LLC, ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:NOLE, DONALD J.;WARD, EVAN T.;REEL/FRAME:015329/0675 Effective date: 20040218 |
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STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |