US20070163069A1 - Dustpan with a latching mechanism - Google Patents
Dustpan with a latching mechanism Download PDFInfo
- Publication number
- US20070163069A1 US20070163069A1 US11/333,562 US33356206A US2007163069A1 US 20070163069 A1 US20070163069 A1 US 20070163069A1 US 33356206 A US33356206 A US 33356206A US 2007163069 A1 US2007163069 A1 US 2007163069A1
- Authority
- US
- United States
- Prior art keywords
- dustpan
- handle
- latching
- receptacle
- latching member
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
- A47L13/50—Auxiliary implements
- A47L13/52—Dust pans; Crumb trays
Definitions
- the present invention relates to waste receptacles, and more particularly to dustpans used for picking up debris.
- the present invention relates to a dustpan of the type having a latching mechanism enabling a dustpan receptacle to have two positions: a latched horizontal position and an unlatched vertical position.
- Dustpans of the general type described herein and known in the prior art have a receptacle portion pivotally mounted and hooked to a handle. Dustpans in the prior art are usually unhooked by exerting downward pressure on the handle. The main disadvantage of those dustpans is that when the handle of the unhooked receptacle is lifted, the receptacle rotates to a position of axial alignment with the shaft preventing the waste from falling out and thus necessitating the manual movement of the receptacle to dispose the waste.
- Some dustpans known in the prior art are capable of being unhooked to assume a vertically extended position.
- such dustpans require a mechanism located within the handle. As a result, it is more difficult to make and repair them.
- the present invention solves the problems in the prior art by providing a novel latching mechanism comprising two latching members interfacing each other and connecting the dustpan receptacle to the handle, which enables the dustpan receptacle to have two positions: a latched horizontal position for a waste pick up and an unlatched vertical position for a direct waste disposal into trashcans.
- a further object of the present invention is to provide an improved dustpan with a simplified construction and repair mode.
- FIG. 1 is a front elevational view of the dustpan in its unlatched vertical position.
- FIG. 2 is a rear elevational view of the dustpan in its unlatched horizontal position.
- FIG. 3 is a side elevational view of the dustpan in its unlatched horizontal position.
- FIG. 4 is an exploded, fragmentary, front elevational view of the latching mechanism.
- FIG. 5 is an exploded, fragmentary, rear elevational view of the latching mechanism.
- FIG. 6 is a front elevational view of the dustpan in its latched position.
- FIG. 7 is a rear elevational view of the dustpan receptacle.
- FIG. 8 is a front elevational view of the handle.
- a dustpan 1 is shown comprising a dustpan receptacle 2 , a handle 3 and a latching mechanism 4 consisting of two members: an upper latching member 5 and a lower latching member 6 .
- the handle 3 is connected to the upper latching member 5 and the lower latching member 6 .
- the dustpan receptacle 2 is connected to the lower latching member 6 by a pivotal connection 7 .
- the upper latching member 5 and the lower latching member 6 are connected and interface each other.
- the handle 3 has a lower end 8 and an upper end 8 a.
- the upper latching member 5 has a first latching interface 9 (considered to be the front surface of the upper latching member 5 ) and a back surface 10 and consists of a plate 11 , and an open ended hollow rod 12 for accepting a part of the handle 3 .
- the plate 11 has a top edge 13 , a bottom edge 14 , and two spaced apart parallel and equal side edges 15 .
- the plate has a rectangular form where the top edge 13 and the bottom edge 14 have equal lengths, which are smaller than the length of the side edges 15 .
- the plate 11 can have a different geometric form.
- the hollow rod 12 is attached to the first latching interface 9 of the upper latching member 5 ) so that more than a half of the hollow rod 12 raises above the top edge 13 .
- There are two pointed protrusions 16 one on each side of the hollow rod 12 .
- the pointed protrusions 16 can be in the form of ramps or right angle triangles where the right angle is aligned with the angle formed between the hollow rod 12 and the top edge 13 of the plate 11 .
- the first latching interface 9 also contains two spaced apart parallel protrusions 17 , located equidistantly from the centerline of the plate 11 and near the bottom edge 14 and the side edges 15 .
- the protrusions 16 are columnar and have a cross section in the form of an equilateral triangle.
- the protrusions can have a cross section with other geometric forms.
- the back surface 10 has an indented protrusion 18 for accepting the handle of another cleaning tool such as a broom. Also the indented protrusion 18 is used to accept one's fingers or foot to exert a downward pressure in order to unlatch the dustpan 1 .
- the second latching member 6 has a second latching interface 19 (considered to be the back surface of the upper latching member 6 ) and a front surface 20 and consists of a main body 21 and two spaced apart parallel channels 22 which become hooks 23 facing the latching surface of the second latching member 6 .
- Each hook 23 has a lowest part 23 a and a tip 23 b .
- the main body has a top edge 24 , a bottom edge 25 and two spaced apart parallel and equal side edges 26 .
- the length of top edge 24 is approximately equal to the length of the bottom edge 25 but greater than the length of the side edges 26 .
- the two channels 22 are located equidistantly from the centerline of the main body 21 so that there is a space between the channels 22 for a circular protrusion 27 adapted to accept the handle 3 .
- the circular protrusion 27 can be substituted with a circular indentation.
- Each of the two channels 22 has a top wall 28 and two spaced apart parallel side walls 29 .
- the inner of the two side walls 29 faces the handle 3 and starts at the top edge 24 of the main body 21 .
- the outer of the two side walls 29 is longer allowing for its upward and subsequent downward extensions and a termination in the form of a hook 22 facing the second latching interface 19 of the lower latching member 6 .
- the main body 21 of the lower latching member 6 is pivotally connected with the dustpan receptacle 2 .
- the pivotal connection 7 consists of two slots 30 located at the center and near the bottom edge 25 of the main body 21 , and pivotal protrusions 31 located on the dustpan receptacle 2 .
- the pivotal connection can consists of other types of pivotal connection known in the art.
- the latching surface of the lower latching member further contains two arcuate protrusions 32 located near the bottom edge 25 of the main body 21 of the lower latching member 6 , and equidistantly from the
- the dustpan receptacle 2 consists of a top wall 33 , a bottom wall 34 , back wall 35 and a pair of spaced apart parallel side walls 36 .
- the back wall 35 has an opening 37 , which is located centrally and has a width equal to the distance between the tips of the hooks 22 of the upper latching member 5 .
- the opening 37 starts at said bottom wall 34 at a place for a pivotal connection 7 , and continues through said back wall 35 and said top wall 33 .
- the back wall 35 has two parallel slots 38 each of them located on each side of the opening 37 .
- the top wall 33 has two parallel protruding edges 39 on each side of the opening 37 and facing the bottom wall 34 .
- the bottom wall 34 can have a blade portion 40 for the easier pick up of the waste and a shoulder 41 for preventing the waste from slipping out of the dustpan receptacle 2 once it has been swept in.
- the shoulder 41 is located near the blade portion 40 and consists of a part of the bottom wall 34 , which is raised above the remaining part of the bottom wall 34 .
- the top wall 33 of the dustpan receptacle terminates with a broom cleaning edge 42 .
- the dustpan 1 contains a spring 43 wrapped around the lower end 8 of the handle 3 and located between said hollow rod 12 of the upper latching member 5 and the accepting circular protrusion 27 of the lower latching member 6 .
- the handle 3 can have an opening 44 or a hook for suspending the dustpan 1 , an ergonomically shaped handle 45 making the use easier and less fatiguing and an indented protrusion 46 for accepting another cleaning tool such as a broom.
- the handle 3 can be elongated for cleaning floors without the necessity to bend over, or shortened for cleaning raised surfaces such as tables, desks and others.
- the handle 3 can be hollow as to accept other cleaning tools such as brooms, dusters and others.
- FIG. 1 shows the dustpan 1 in its unlatched vertical position, which is utilized to comfortably discharge the waste directly into trashcans, to attach an additional cleaning tool such as a broom and to easily store it.
- FIG. 1 shows that the upper latching member 5 is connected to the lower latching member 6 through an interaction between the latching interface 9 of the upper latching member 5 and the latching interface 19 of the lower latching member 6 .
- the protrusions 17 of the upper latching member 5 fit into the channels 22 of the lower latching member 6 .
- the two arcuate protrusions 32 on the second latching interface 19 of the lower latching member 6 fit into the slots 38 of the dustpan receptacle 2 preventing the movement of the latching mechanism and resulting in a more stable latched dustpan.
- the dustpan receptacle 2 is moved about its pivotal connection 7 so that the dustpan receptacle 2 is perpendicular to the handle.
- the latching of the dustpan 2 does not require any pressure but only the movement of the dustpan receptacle to its horizontal position.
Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
Description
- The present invention relates to waste receptacles, and more particularly to dustpans used for picking up debris.
- The present invention relates to a dustpan of the type having a latching mechanism enabling a dustpan receptacle to have two positions: a latched horizontal position and an unlatched vertical position.
- Dustpans of the general type described herein and known in the prior art have a receptacle portion pivotally mounted and hooked to a handle. Dustpans in the prior art are usually unhooked by exerting downward pressure on the handle. The main disadvantage of those dustpans is that when the handle of the unhooked receptacle is lifted, the receptacle rotates to a position of axial alignment with the shaft preventing the waste from falling out and thus necessitating the manual movement of the receptacle to dispose the waste.
- Some dustpans known in the prior art are capable of being unhooked to assume a vertically extended position. However, such dustpans require a mechanism located within the handle. As a result, it is more difficult to make and repair them.
- The present invention solves the problems in the prior art by providing a novel latching mechanism comprising two latching members interfacing each other and connecting the dustpan receptacle to the handle, which enables the dustpan receptacle to have two positions: a latched horizontal position for a waste pick up and an unlatched vertical position for a direct waste disposal into trashcans.
- It is an object of the present invention to provide an improved dustpan with a simplified operational mode so that it is less fatiguing to the user.
- A further object of the present invention is to provide an improved dustpan with a simplified construction and repair mode.
- Other objects and advantages of the present invention will become apparent from reading the following detailed description of the invention and the appended claims.
-
FIG. 1 is a front elevational view of the dustpan in its unlatched vertical position. -
FIG. 2 is a rear elevational view of the dustpan in its unlatched horizontal position. -
FIG. 3 is a side elevational view of the dustpan in its unlatched horizontal position. -
FIG. 4 is an exploded, fragmentary, front elevational view of the latching mechanism. -
FIG. 5 is an exploded, fragmentary, rear elevational view of the latching mechanism. -
FIG. 6 is a front elevational view of the dustpan in its latched position. -
FIG. 7 is a rear elevational view of the dustpan receptacle. -
FIG. 8 is a front elevational view of the handle. - With reference to the drawings, in particular to
FIGS. 1-8 thereof, the present invention, a dustpan with a novel latching mechanism, denoted byreference numeral 1 will be described. Adustpan 1 is shown comprising adustpan receptacle 2, ahandle 3 and alatching mechanism 4 consisting of two members: anupper latching member 5 and alower latching member 6. Thehandle 3 is connected to theupper latching member 5 and thelower latching member 6. Thedustpan receptacle 2 is connected to thelower latching member 6 by apivotal connection 7. Theupper latching member 5 and thelower latching member 6 are connected and interface each other. Thehandle 3 has alower end 8 and anupper end 8 a. - The
upper latching member 5 has a first latching interface 9 (considered to be the front surface of the upper latching member 5) and aback surface 10 and consists of aplate 11, and an open endedhollow rod 12 for accepting a part of thehandle 3. Theplate 11 has atop edge 13, abottom edge 14, and two spaced apart parallel andequal side edges 15. The plate has a rectangular form where thetop edge 13 and thebottom edge 14 have equal lengths, which are smaller than the length of theside edges 15. Theplate 11 can have a different geometric form. - The
hollow rod 12 is attached to thefirst latching interface 9 of the upper latching member 5) so that more than a half of thehollow rod 12 raises above thetop edge 13. There are twopointed protrusions 16, one on each side of thehollow rod 12. Thepointed protrusions 16 can be in the form of ramps or right angle triangles where the right angle is aligned with the angle formed between thehollow rod 12 and thetop edge 13 of theplate 11. Thefirst latching interface 9 also contains two spaced apartparallel protrusions 17, located equidistantly from the centerline of theplate 11 and near thebottom edge 14 and theside edges 15. Theprotrusions 16 are columnar and have a cross section in the form of an equilateral triangle. One side of the equilateral triangle is parallel to thetop edge 13 and thebottom edge 14 of theplate 11, the second side of the equilateral triangle is parallel to theside edges 15 of theplate 11, and the third side of the equilateral triangle forms an angle of approximately 45° with a line parallel to thetop edge 13 and thebottom edge 14 of theplate 11. The protrusions can have a cross section with other geometric forms. Theback surface 10 has anindented protrusion 18 for accepting the handle of another cleaning tool such as a broom. Also the indentedprotrusion 18 is used to accept one's fingers or foot to exert a downward pressure in order to unlatch thedustpan 1. - The
second latching member 6 has a second latching interface 19 (considered to be the back surface of the upper latching member 6) and afront surface 20 and consists of amain body 21 and two spaced apartparallel channels 22 which becomehooks 23 facing the latching surface of thesecond latching member 6. Eachhook 23 has alowest part 23 a and atip 23 b. The main body has atop edge 24, abottom edge 25 and two spaced apart parallel andequal side edges 26. The length oftop edge 24 is approximately equal to the length of thebottom edge 25 but greater than the length of theside edges 26. The twochannels 22 are located equidistantly from the centerline of themain body 21 so that there is a space between thechannels 22 for acircular protrusion 27 adapted to accept thehandle 3. Thecircular protrusion 27 can be substituted with a circular indentation. - Each of the two
channels 22 has atop wall 28 and two spaced apartparallel side walls 29. The inner of the twoside walls 29 faces thehandle 3 and starts at thetop edge 24 of themain body 21. The outer of the twoside walls 29 is longer allowing for its upward and subsequent downward extensions and a termination in the form of ahook 22 facing thesecond latching interface 19 of thelower latching member 6. Themain body 21 of thelower latching member 6 is pivotally connected with thedustpan receptacle 2. Thepivotal connection 7 consists of twoslots 30 located at the center and near thebottom edge 25 of themain body 21, andpivotal protrusions 31 located on thedustpan receptacle 2. The pivotal connection can consists of other types of pivotal connection known in the art. The latching surface of the lower latching member further contains twoarcuate protrusions 32 located near thebottom edge 25 of themain body 21 of thelower latching member 6, and equidistantly from the centerline of themain body 21. - The
dustpan receptacle 2 consists of atop wall 33, abottom wall 34,back wall 35 and a pair of spaced apartparallel side walls 36. Theback wall 35 has anopening 37, which is located centrally and has a width equal to the distance between the tips of thehooks 22 of theupper latching member 5. The opening 37 starts at saidbottom wall 34 at a place for apivotal connection 7, and continues through said backwall 35 and saidtop wall 33. Theback wall 35 has twoparallel slots 38 each of them located on each side of the opening 37. Thetop wall 33 has two parallelprotruding edges 39 on each side of the opening 37 and facing thebottom wall 34. Thebottom wall 34 can have ablade portion 40 for the easier pick up of the waste and ashoulder 41 for preventing the waste from slipping out of thedustpan receptacle 2 once it has been swept in. Theshoulder 41 is located near theblade portion 40 and consists of a part of thebottom wall 34, which is raised above the remaining part of thebottom wall 34. Thetop wall 33 of the dustpan receptacle terminates with abroom cleaning edge 42. - The
dustpan 1 contains aspring 43 wrapped around thelower end 8 of thehandle 3 and located between saidhollow rod 12 of theupper latching member 5 and the acceptingcircular protrusion 27 of thelower latching member 6. - The
handle 3 can have anopening 44 or a hook for suspending thedustpan 1, an ergonomicallyshaped handle 45 making the use easier and less fatiguing and anindented protrusion 46 for accepting another cleaning tool such as a broom. Thehandle 3 can be elongated for cleaning floors without the necessity to bend over, or shortened for cleaning raised surfaces such as tables, desks and others. Thehandle 3 can be hollow as to accept other cleaning tools such as brooms, dusters and others. -
FIG. 1 shows thedustpan 1 in its unlatched vertical position, which is utilized to comfortably discharge the waste directly into trashcans, to attach an additional cleaning tool such as a broom and to easily store it.FIG. 1 shows that theupper latching member 5 is connected to thelower latching member 6 through an interaction between the latchinginterface 9 of theupper latching member 5 and the latchinginterface 19 of thelower latching member 6. Theprotrusions 17 of theupper latching member 5 fit into thechannels 22 of thelower latching member 6. - In order to use the
dustpan 1 for a waste pickup, one has to latch thehooks 23 of thelower latching member 6 onto the two parallel protruding edges 39 of thetop wall 33 of thedustpan receptacle 2 as shown onFIG. 2 depicting thedustpan 1 in its latched horizontal position. The distance between thelowest parts 23 a of thehooks 23 is slightly smaller than the width of theopening 37 on thetop wall 33 of thedustpan receptacle 2. The distance between thetips 23 b of thehooks 23 is slightly greater that width of theopening 37 on thetop wall 33 of thedustpan receptacle 2. These distance differences allow thehooks 23 to slide into theopening 37 and to hook onto the protruding edges 39 of thetop wall 33. Furthermore, the twoarcuate protrusions 32 on thesecond latching interface 19 of thelower latching member 6 fit into theslots 38 of thedustpan receptacle 2 preventing the movement of the latching mechanism and resulting in a more stable latched dustpan. Thedustpan receptacle 2 is moved about itspivotal connection 7 so that thedustpan receptacle 2 is perpendicular to the handle. The latching of thedustpan 2 does not require any pressure but only the movement of the dustpan receptacle to its horizontal position. - To unlatch the
dustpan 1, one has to exert downward pressure on theupper latching member 5 so that thespring 43 is being pressed downward and reduced in length. As a result, each of theprotrusions 17 slides into each of thechannels 22 of thelower latching member 6 in a downward direction, each of the pointedprotrusions 16 of theupper latching member 5 fit between each of thechannels 22 of thelower latching member 6 and thehandle 3 resulting in flexing thechannels 22 and hooks 23 away from the protruding edges 39 and disengaging and unlatching thehooks 23. As a result of this disengagement, the weight of thedustpan receptacle 2 causes a pivotal traverse and provides for its discharge and achieving a storage position. The subsequent release of theupper latching member 5 causes the return of theupper latching member 5 to its original position under spring urgency. - From the above description, it should be readily appreciated that the dustpan substantially simplifies the dustpan's operational, construction and repair mode. A latitude of modifications and substitutions is intended. As a result, the appended claims should be construed broadly in a manner consistent with the scope of the invention.
Claims (19)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/333,562 US20070163069A1 (en) | 2006-01-17 | 2006-01-17 | Dustpan with a latching mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/333,562 US20070163069A1 (en) | 2006-01-17 | 2006-01-17 | Dustpan with a latching mechanism |
Publications (1)
Publication Number | Publication Date |
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US20070163069A1 true US20070163069A1 (en) | 2007-07-19 |
Family
ID=38261731
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/333,562 Abandoned US20070163069A1 (en) | 2006-01-17 | 2006-01-17 | Dustpan with a latching mechanism |
Country Status (1)
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US (1) | US20070163069A1 (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8087514B1 (en) * | 2007-12-19 | 2012-01-03 | Fulford Kenneth W | Broom with interchangeable accessories and carrying case therefor |
US9474428B2 (en) * | 2014-10-27 | 2016-10-25 | Casabella Holdings, Llc | Upright sweep set |
USD814732S1 (en) | 2016-03-04 | 2018-04-03 | The Libman Company | Dustpan |
US10201262B1 (en) | 2017-09-14 | 2019-02-12 | R.S. Quality Products Inc | Lobby dustpan |
USD853673S1 (en) * | 2017-09-01 | 2019-07-09 | The Libman Company | Dustpan |
US10966589B2 (en) * | 2017-11-22 | 2021-04-06 | Rubbermaid Commercial Products Llc | Debris pan and associated assemblies |
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Publication number | Priority date | Publication date | Assignee | Title |
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US8087514B1 (en) * | 2007-12-19 | 2012-01-03 | Fulford Kenneth W | Broom with interchangeable accessories and carrying case therefor |
US9474428B2 (en) * | 2014-10-27 | 2016-10-25 | Casabella Holdings, Llc | Upright sweep set |
USD814732S1 (en) | 2016-03-04 | 2018-04-03 | The Libman Company | Dustpan |
USD840627S1 (en) | 2016-03-04 | 2019-02-12 | The Libman Company | Dustpan |
USD853673S1 (en) * | 2017-09-01 | 2019-07-09 | The Libman Company | Dustpan |
US10201262B1 (en) | 2017-09-14 | 2019-02-12 | R.S. Quality Products Inc | Lobby dustpan |
US10966589B2 (en) * | 2017-11-22 | 2021-04-06 | Rubbermaid Commercial Products Llc | Debris pan and associated assemblies |
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