Utensil Wrapping Apparatus
20190047731 ยท 2019-02-14
Assignee
Inventors
- Len Charles Kretchman (Holmes Beach, FL, US)
- Emily Jo Kretchman (Holmes Beach, FL, US)
- Craig Anthony Wilberts (Osakis, MN, US)
Cpc classification
B65B11/30
PERFORMING OPERATIONS; TRANSPORTING
B65B19/225
PERFORMING OPERATIONS; TRANSPORTING
B65B11/42
PERFORMING OPERATIONS; TRANSPORTING
International classification
B65B11/30
PERFORMING OPERATIONS; TRANSPORTING
B65B19/22
PERFORMING OPERATIONS; TRANSPORTING
Abstract
A utensil wrapping apparatus including belt rollers, conveyor belts, a bracket assembly, napkin folders, fold actuators, and a rolling station is provided. The conveyor belts wound around the belt rollers accommodate and convey a napkin with one or more utensils placed thereon from an entry end to a release end of the conveyor belts. The bracket assembly folds a leading corner of the napkin over the utensils. The napkin folders, actuated by the fold actuators, fold opposing corners of the napkin around the utensils. The rolling station receives and initiates rolling and tucking of the napkin folded around the utensils. A set of rolling belts in the rolling station moving in a direction counter to movement of the conveyor belts rolls the napkin folded around the utensils and facilitates conveyance of the rolled napkin with the utensils over the conveyor belts to a release end of the conveyor belts.
Claims
1. A utensil wrapping apparatus comprising: a primary conveyor frame defined by opposing side walls; a first set of belt rollers operably connected substantially perpendicular to said opposing side walls of said primary conveyor frame via roller axles, wherein said first set of belt rollers rolls on corresponding said roller axles; a set of conveyor belts wound around said first set of belt rollers, wherein said set of conveyor belts accommodates and conveys a napkin and one or more utensils placed on said napkin from an entry end towards a release end of said set of conveyor belts; a bracket assembly positioned above said set of conveyor belts and rigidly connected to said opposing side walls of said primary conveyor frame for folding a leading corner of said conveyed napkin over said one or more utensils; at least two napkin folders positioned proximal to said bracket assembly and hingedly connected to said upper ends of said opposing side walls of said primary conveyor frame for folding opposing corners of said conveyed napkin with said folded leading corner around said one or more utensils; at least two fold actuators operably attached to said opposing side walls of said primary conveyor frame for actuating said at least two napkin folders for facilitating said folding of said opposing corners of said conveyed napkin with said folded leading corner around said one or more utensils by said at least two napkin folders; and a rolling station positioned proximal to said bracket assembly and said at least two fold actuators, said rolling station comprising: a secondary conveyor frame positioned above said set of conveyor belts via first brackets rigidly connected to said opposing side walls of said primary conveyor frame; a roll starter and tuck assembly rotatably connected to one of a plurality of roller shafts for receiving and initiating rolling and tucking of said conveyed napkin folded around said one or more utensils, said roller shafts operably connected to said secondary conveyor frame; a second set of belt rollers mounted on and rolling on corresponding other of said roller shafts; at least one drive roller operably connected to said second set of belt rollers and mounted on a conveyor shaft for driving said second set of belt rollers, said conveyor shaft operably connected substantially perpendicular to said opposing side walls of said primary conveyor frame via second brackets; and a set of rolling belts wound around said second set of belt rollers driven by said at least one drive roller and moving in a direction counter to movement of said set of conveyor belts for rolling said conveyed napkin folded around said one or more utensils over said set of conveyor belts and facilitating conveyance of said rolled napkin with said one or more utensils over said set of conveyor belts to said release end of said set of conveyor belts.
2. The utensil wrapping apparatus of claim 1, further comprising a staging member rigidly connected substantially perpendicular to upper ends of said opposing side walls of said primary conveyor frame for accommodating and supporting said napkin and said one or more utensils placed on said napkin on said set of conveyor belts.
3. The utensil wrapping apparatus of claim 1, further comprising a control panel fixed to one of said opposing side walls of said primary conveyor frame for triggering said folding and said rolling of said conveyed napkin around said one or more utensils.
Description
BRIEF DESCRIPTION OF THE DRAWINGS
[0009] The foregoing summary, as well as the following detailed description of the invention, is better understood when read in conjunction with the appended drawings. For illustrating the invention, exemplary constructions of the invention are shown in the drawings. However, the invention is not limited to the specific methods and components disclosed herein. The description of a method step or a component referenced by a numeral in a drawing is applicable to the description of that method step or component shown by that same numeral in any subsequent drawing herein.
[0010]
[0011]
[0012]
[0013]
[0014]
DETAILED DESCRIPTION OF THE INVENTION
[0015]
[0016] The first set of belt rollers 104 is operably connected substantially perpendicular to the opposing side walls 102 and 103 of the primary conveyor frame 101 via roller axles 139 exemplarily illustrated in
[0017] The set of conveyor belts 105 is wound around the first set of belt rollers 104. The set of conveyor belts 105 extends from a front end 101a of the primary conveyor frame 101 to a rear end 101b of the primary conveyor frame 101 to envelop the first set of belt rollers 104. The conveyor belts 105 are intermittent moving bands made of materials selected, for example, from urethane, nylon, fabrics, metal, rubber, etc. Rolling of the belt rollers 104 around the corresponding roller axles 139 move the conveyor belts 105 from the front end 101a of the primary conveyor frame 101 to the rear end 101b of the primary conveyor frame 101. The conveyor belts 105 accommodate and convey a napkin 501 and one or more utensils 502 placed on the napkin 501 from an entry end 105a towards a release end 105b of the conveyor belts 105 exemplarily illustrated in
[0018] The bracket assembly 133 is positioned above the set of conveyor belts 105 and is rigidly connected to the opposing side walls 102 and 103 of the primary conveyor frame 101 for folding a leading corner 501b of the conveyed napkin 501 flat over the utensils 502 as exemplarily illustrated in
[0019] The napkin folders 131a and 131b are positioned proximal to the bracket assembly 133 and are hingedly connected to the upper ends 102a and 103a of the opposing side walls 102 and 103 of the primary conveyor frame 101 respectively. The napkin folders 131a and 131b fold opposing corners 501c and 501d of the conveyed napkin 501 with the folded leading corner 501b around the utensils 502 as exemplarily illustrated in
[0020] The fold actuators 132a and 132b are operably attached to the opposing side walls 102 and 103 of the primary conveyor frame 101 for actuating the napkin folders 131a and 131b for facilitating the folding of the opposing corners 501c and 501d of the conveyed napkin 501 with the folded leading corner 501b around the utensils 502 by the napkin folders 131a and 131b respectively, as exemplarily illustrated in
[0021] The rolling station 112 is positioned proximal to the bracket assembly 133 and the fold actuators 132a and 132b. The rolling station 112 comprises a secondary conveyor frame 113, a roll starter and tuck assembly 117, multiple roller shafts 118, 119, and 120, a second set of belt rollers 121, 122, and 123, at least one drive roller 124, and a set of rolling belts 127. The secondary conveyor frame 113 is positioned above the set of conveyor belts 105 via brackets 116a and 116b. The brackets 116a and 116b are rigidly connected to the opposing side walls 102 and 103 of the primary conveyor frame 101 using fasteners 130, for example, standoff spacers, screws etc. The brackets 116a and 116b are made of materials selected, for example, from high-density polyethylene (HDPE), fiber reinforced plastic, metal, glass, plastic, ceramics, carbon steel, metal, polyvinyl chloride (PVC), stainless steel, etc. The brackets 116a and 116b fix the secondary conveyor frame 113 to the opposing side walls 102 and 103 of the primary conveyor frame 101. The secondary conveyor frame 113 comprises opposing support members 114 and 115 for providing support to the rolling station 112. The opposing support members 114 and 115 are configured, for example, as nylon side rails. The secondary conveyor frame 113 is made of materials selected, for example, from nylon, HDPE, fiber reinforced plastic or other materials such as plastics, glass, ceramics, metal, etc.
[0022] The roll starter and tuck assembly 117 is rotatably connected to one of the roller shafts, for example, the roller shaft 118 for receiving and initiating rolling and tucking of the conveyed napkin 501 folded around the utensils 502. The roller shaft 118 is operably connected to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In an embodiment, the roller shaft 118 is rigidly connected to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In another embodiment, the opposing ends (not shown) of the roller shaft 118 are mounted with ball bearings (not shown) and operably connected to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. The roll starter and tuck assembly 117 is mounted on the roller shaft 118 along with one column of the second set of belt rollers, for example, 121.
[0023] The second set of belt rollers 121, 122, and 123 is mounted on the corresponding roller shafts 118, 119, and 120 respectively, that are operably connected to the secondary conveyor frame 113. The belt rollers 121, 122, and 123 roll on the roller shafts 118, 119, and 120 respectively. The belt rollers 121, 122, and 123 are, for example, foam rollers. The belt rollers 121, 122, and 123 are made of materials selected, for example, from high-density polyethylene (HDPE), plastics, composites, metal, etc. The roller shaft 119 is operably connected proximal to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In an embodiment, the roller shaft 119 is rigidly connected proximal to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In another embodiment, the opposing ends (not shown) of the roller shaft 119 are mounted with ball bearings (not shown) and operably connected proximal to the ends 114a and 115a of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. The roller shaft 120 is operably connected to the ends 114b and 115b of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In an embodiment, the roller shaft 120 is rigidly connected to the ends 114b and 115b of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. In another embodiment, the opposing ends (not shown) of the roller shaft 120 are mounted with ball bearings (not shown) and operably connected to the ends 114b and 115b of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. The roller shafts 118, 119 and 120 are elongated rods made of materials selected, for example, from stainless steel, fiber reinforced plastic, metal, glass, plastic, ceramics, etc.
[0024] The drive roller 124 is operably connected to one column of the second set of belt rollers 123 and is mounted on a conveyor shaft 125 for driving the second set of belt rollers 121, 122, and 123. The conveyor shaft 125 is positioned coaxially within the roller shaft 120. The conveyor shaft 125 is operably connected substantially perpendicular to the opposing side walls 102 and 103 of the primary conveyor frame 101 via brackets 126a and 126b respectively. In an embodiment, the conveyor shaft 125 is rigidly connected substantially perpendicular to the opposing side walls 102 and 103 of the primary conveyor frame 101 via brackets 126a and 126b respectively. The brackets 126a and 126b are connected to the opposing side walls 102 and 103 of the primary conveyor frame 101 respectively, using fasteners 130, for example, standoff spacers, screws etc. The drive roller 124 is positioned proximal to the ends 114b and 115b of the opposing support members 114 and 115 of the secondary conveyor frame 113 respectively. The drive roller 124 is a wheeled structure made of a material selected, for example, from high-density polyethylene (HDPE), fiber reinforced plastic, metal, etc. The conveyor shaft 125 drives the drive roller 124 via a flat urethane belt of dimensions, for example, 0.5wide0.06 thick.
[0025] The set of rolling belts 127 is wound around the second set of belt rollers 121, 122, and 123 that is driven by the drive roller 124. The rolling belts 127 are intermittently moving in coordination with the conveyor belts 105. The rolling belts 127 are moving bands made of materials selected, for example, from nylons, fabrics, metal, rubber, etc. The set of rolling belts 127 moves in a direction counter to the movement of the set of conveyor belts 105 for rolling the conveyed napkin 501 folded around the utensils 502 over the set of conveyor belts 105 and facilitating conveyance of the rolled napkin 501 with the utensils 502 over the set of conveyor belts 105 to the release end 105b of the set of conveyor belts 105 as exemplarily illustrated in
[0026]
[0027] The motor 134 also triggers the drive roller 124 for driving the second set of belt rollers 121, 122, and 123 to roll on the roller shafts 118, 119, and 120 respectively, which facilitates movement of the set of rolling belts 127 in a direction counter to the movement of the set of conveyor belts 105 for rolling the napkin 501 folded around the utensils 502 over the set of conveyor belts 105 and conveying the rolled napkin 501 with the utensils 502 over the set of conveyor belts 105 to the release end 105b of the set of conveyor belts 105.
[0028] After the napkin folders 131a and 131b fold the napkin 501 around the utensils 502, the roll starter and tuck assembly 117 of the rolling station 112 receives the napkin 501 folded around the utensils 502 for rolling of the napkin 501 folded around the utensils 502 as exemplarily illustrated in
[0029]
[0030]
[0031]
[0032] The operator of the utensil wrapping apparatus 100 positions a napkin 501 at the entry end 105a of the set of conveyor belts 105, proximal to the staging member 106. In an embodiment, the napkin 501 is positioned in an any corner first orientation on the set of conveyor belts 105 to create a channel for loading the utensils 502. The operator then positions the utensils 502, for example, a fork and a knife, on the napkin 501.
[0033] The napkin 501 with the folded leading corner 501b and the folded opposing corners 501c and 501d is then conveyed to the rolling station 112 of the utensil wrapping apparatus 100. The folded napkin 501 with the utensils 502 traverses along the set of conveyor belts 105 and enters the roll starter and tuck assembly 117 of the rolling station 112. The drive roller 124, running in conjunction with the set of conveyor belts 105, powers up the rolling station 112 and the second set of rolling belts 127 that roll on the roller shafts 118, 119, and 120 respectively. The roll starters 136 of the roll starter and tuck assembly 117 initiate the rolling of the folded napkin 501, and the tuckers 137 of the roll starter and tuck assembly 117 tuck the top layer 501a of the folded napkin 501 adjacent to one end of the utensils 502 inward during rolling to close one end of the bundle thus formed as exemplarily illustrated in
[0034] The folding and rolling functions of the utensil wrapping apparatus 100 wrap the napkin 501 around the utensils 502. The set of rolling belts 127 of the rolling station 112 move in a direction counter to the movement of the set of conveyor belts 105 as exemplarily illustrated in
[0035] The foregoing examples have been provided merely for explanation and are in no way to be construed as limiting of the utensil wrapping apparatus 100 and the method disclosed herein. While the utensil wrapping apparatus 100 and the method have been described with reference to various embodiments, it is understood that the words, which have been used herein, are words of description and illustration, rather than words of limitation. Furthermore, although the utensil wrapping apparatus 100 and the method have been described herein with reference to particular means, materials, and embodiments, the utensil wrapping apparatus 100 and the method are not intended to be limited to the particulars disclosed herein; rather, the utensil wrapping apparatus 100 and the method extend to all functionally equivalent structures, methods and uses, such as are within the scope of the appended claims. While multiple embodiments are disclosed, it will be understood by those skilled in the art, having the benefit of the teachings of this specification, that the utensil wrapping apparatus 100 and the method disclosed herein are capable of modifications and other embodiments may be effected and changes may be made thereto, without departing from the scope and spirit of the utensil wrapping apparatus 100 and the method disclosed herein.