CN1316225A

CN1316225A - Dustpan with anti-attrition device

Info

Publication number: CN1316225A
Application number: CN00134728A
Authority: CN
Inventors: T·佩雷利
Original assignee: Rubbermaid Commercial Products LLC
Current assignee: Rubbermaid Commercial Products LLC
Priority date: 2000-10-05
Filing date: 2000-10-07
Publication date: 2001-10-10
Also published as: JP2002119456A; GB2367483A; MXPA01010071A; CA2322913A1; DE10050014A1; HK1040601A1; GB0024559D0

Abstract

The base of a dust pan, which may include a cover pivotally attached thereto, has at least one rolling member at a rear portion of the base inhibit wear to the base when lowering and raising the base to and from the ground. Moreover, the base may be designed such that an inner surface is substantially continuous thereby enhancing a user's ability to clean the base after use. Finally, a rear portion of the base can includes a slot which serves as a handle by which a user of the dust pan can hold the base when emptying it of its contents.

Description

Dustpan with anti-attrition device

The present invention relates to a kind of dustpan, particularly have the dustpan of shovel of the pivotable end.

The tradition dustpan comprises shovel and a lid that is generally used for covering end shovel inner chamber at the bottom of one; Also have one to be connected stock on the end shovel in addition by crotch.The top of bar has one handle can allow the user mention and mobile dustpan.Crotch connects can allow end shovel pivot, and makes when mentioning stock shovel front portion, the liftable end when transporting this dustpan.This crotch connects also can allow end shovel pivot, and makes to put down stock and can reduce shovel front portion, the end when chip swept into dustpan as the user.

The tradition dustpan fails to prevent from well to shovel the wearing and tearing that produce in the rotation process end of in design.When traditional dustpan when lift on ground or be lowered to ground, shovel rear portion, end kiss the earth produces wearing and tearing.The tradition dustpan is installed a wear pad and is reduced effect of attrition on end shovel.

In addition, traditional in design dustpan can not fully be designed to easily to sweep away dust and dirt.Usually on its end shovel sharp-pointed interior angle is arranged, dust and dirt accumulate in these corners to be difficult to clean out.

An advantage of the invention is and alleviate end shovel from ground or Other Waste cleaning face is mentioned or the wearing and tearing that produce when loweing.

Another advantage of the present invention is to improve the efficient that the user cleans end shovel.

Other advantages of the present invention will obtain partly illustrating and manifesting in the following description, maybe can understand by embodiments of the invention.

According to an aspect of the present invention, a kind of dustpan comprises that the end of collection of debris is shoveled, and has the recessed road that at least one is used to install rolling element on this end shovel.Connecting a handle component on the end shovel.At least one rolling element to small part is arranged at least one recessed road.

According to a further aspect in the invention, a kind of dustpan comprises that the front portion has the end shovel that is used for collection of debris of opening.At least one rolling element is arranged on shovel rear portion, the end.The one handle element is provided, use pivotal joint between handle component and the end shovel, feasible when moving up rolling element when mentioning handle component, the rolling element at the rear portion ground of keeping in touch at first.

According to another aspect of the invention, a kind ofly comprise the step that a dustpan is provided to prevent that abrasive manner from using the method for dustpan, this dustpan comprises that the rear portion has the end shovel in recessed road, is equipped with a rolling element in the recessed road; Be arranged on rolling element in the recessed road to small part; And by being pivotally connected to the handle component of end shovel.This method is further comprising the steps of: put down handle component and make rolling element touch a surface, when rolling element contacts behind this surface, continue to put down handle component and make end shovel be pivoted to the use location, and rolling element is rolled to prevent the wearing and tearing of end shovel with respect to end shovel with respect to handle.

Top general introduction and following detailed description only are explanation and exemplary, and be not limited by claims of the present invention.

Accompanying drawing is the component part of this specification sheets, has shown most preferred embodiment of the present invention, and accompanying drawing illustrates main points of the present invention together in conjunction with explanatory note.

Fig. 1 is the front perspective view according to preferred dustpan of the present invention, and its lid is shown in an open position;

Fig. 2 is the left side view of the dustpan that is shown in an open position of lid shown in Figure 1;

Fig. 3 is the end transparent view of lid dustpan in the closed position;

Fig. 4 is the top transparent view of lid dustpan in the closed position;

Fig. 5 is the rear view of dustpan.

Fig. 1 to 5 has shown according to dustpan most preferred embodiment of the present invention.This dustpan comprises end shovel 1, handle component 2 and at least one rolling element 7.

End shovel 1 preferably has five sides: right flank 11, left surface 13, top side face 12, bottom side 14, trailing flank 15.

Side

11,12,13,14 and 15 surrounds a cavity 23, can sweep into dust, dirt and Other Waste.A recessed road 6 that is used to install rolling element 7 is arranged on the bottom surface 14.Single recessed road 6 can be set so that one or more rolling elements 7 to be installed, but in the most preferred embodiment shown in the figure, each rolling element 7 is furnished with a recessed road 6.Constitute the surface 5 with counter-slope that also has of bottom side 14, the dust and the Other Waste that sweep end shovel like this can not skid off.The front edge 8 that side 12 has a substantially flat with become forniciform lagging dege 9 substantially.

Though recessed road 6 and oppositely domatic 5 is arranged on the end shovel, and its inner each

side

11,12,13,14,15 still is designed to a basic continuous surface.Fillet (otherwise it is by shovel side, end be combined into) is made to form basic continuous surface in the bight of end shovel, and like this by eliminating dust, dirt and Other Waste be the viscosity rubbish bight of piling up easily and help to clear up the end and shovel particularly.

In the trailing flank 15 of end shovel 1, lagging dege 9 belows that are preferably in top side face 12 are provided with groove 10.Groove width preferably can be put down four fingers, and the user can arrest end shovel 1 with groove 10 in the needs position.Can arrest bottom side 14 in parallel ground when for example, the user mentions dustpan.In addition, during rubbish in turned letter end shovel 1, the user arrests end shovel 1 by means of groove 10, therefore can not touch when turned letter shovels the end from shoveling the rubbish of pouring out at the end 1.With the method user and rubbish are isolated, help to prevent rubbish in the end shovel user that makes dirty.This isolation user's function is particularly advantageous in and is used for medical domain, because sweep the body fluid that the rubbish of end shovel 1 may contain patient, this can make the user touch communicable disease.

Handle component 2 is axle or bar preferably, provide one better by the part of ergonomics design-calculated handle, as the ergonomics handle of Rubbermaid Commercial ProductsLLC (part#2534) manufacturing as handle component 2.The cross section of handle component 2 can have Any shape.And though handle component 2 is preferably selected hollow structure (for alleviating the dustpan total weight), it also can be solid.If handle component 2 is circular hollow structures, preferably select tensile tubular structure.

Handle component 2 preferably is connected by crotch 3 with end shovel 1.The bottom 16 of crotch 3 is passed through link pin 25 and is shoveled a left side of 1 respectively the end of with at pivot point 4 places, right flank 13,11 connects.The bottom 16 of crotch 3 is wideer than the top 17 of crotch 3, makes crotch 3 basically form a triangle thus.The afterbody 18 of top 17 and handle component 2 is connected, and can should connect with accomplished in many ways, for example, with crotch top 17 and handle component afterbody 18 casts solid, or is preferably in top 17 and lower end 18 is provided with the complementary (not shown) that is threaded.

As shown in Figure 5, the rolling element 7 that is positioned on the end shovel 1 preferably adopts wheel.When with end shovel 1 when mention on ground or put down, rolling element 7 can prevent that the end from shoveling the wearing and tearing of 1 bottom side 14 (particularly rear corner and edge).Rolling element 7 diameters are very little, are preferably 1/4 inch.

When end shovel 1 when mention on ground and put down, the bottom side 14 (particularly rear portion) that prevents end shovel 1 by rolling element 7 and ground friction have prevented the wearing and tearing of bottom side 14.For example, when mentioning handle component 2, end shovel anterior 21 is around the make progress afterbody 18 of steering tiller element 2 of pivot, when shovel pivots at the end, the rear portion 22 of bottom side 14 by rolling element 7 in ground surface.By making rear portion 22 rollings rather than scraping ground prevent wearing and tearing.Equally, when end shovel 1 was put into ground, rolling element 7 was positioned at initial maintenance and ground position contacting, made the end shovel 1 front portion 21 and rotated around pivot.Behind rolling element 7 kiss the earths, user's end shovel 1 that continues to lower, when continuing to rotate along with end shovel anterior 21, rolling element 7 drives rear portions 22 along ground surface.Because rolling character can prevent the wearing and tearing of bottom side 14.

The user can pick up whole dustpan with handle component 2.When the user mentioned handle component 2, the also direction of the afterbody 18 of steering tiller element 2 was lifted in the front portion 21 of end shovel 1.The rear portion 22 of end while shovel 1 is kiss the earth at first.When end shovel anterior 21 stopped operating, as long as the user mentions enough height with handle component 2, rear portion 22 will be from raked floor.Be connected by crotch 3 is shoveled 1 at pivot point 4 places the end of with, and realize rotatablely moving of front portion 21.When end shovel 1 is lifted away from ground, crotch 3 basic bottom sides 14 near end shovel 1.In addition, when end shovel 1 is set level on ground, crotch 3 basic top side face 12 front edges 8 near end shovel 1.

Shovel 1 top lid 20 preferably be housed at the end.Lid 20 is connected in the upper side 12 of end shovel 1 by means of being contained in link pin 26 on the clamp 19.In the dustpan that lid 20 is arranged, the afterbody 18 of handle component 2 can pass the cavity 24 on the lid 20, and the afterbody 18 of handle component 2 is engaged with the top 17 of crotch 3.When end shovel 1 is placed on the ground, handle component 2 remains on open position (Fig. 1) with lid 20, so the user can sweep dust, rubbish end shovel.Otherwise when end shovel 1 is lifted away from ground, handle component 2 forces lid 20 (Fig. 3) in the closed position, with cavity 23 sealings of end shovel 1, therefore covers and is kept at the rubbish in the end shovel 1 in the shovel.

In order to change having the shape of a real square, the clumsy profile of traditional dustpan, 1 profile is shoveled at the end make basic slick and sly shape.For realizing this purpose, a left side of 1 is shoveled at the end, and right flank 11,13 is intersecting on the directions crooked mutually with top side face 12 and bottom side 14 respectively.In addition, lid 20 is made rounding off on both direction: from front edge 8 to oppositely domatic 5, and from right flank 11 to left surface 13.At last, with top side face 12 rounding on 9 the direction from front edge 8 to lagging dege, lagging dege 9 itself also is slick and sly as previously mentioned.

Make dustpan mentioned above, all parts are preferably selected light plastic for use.Use light plastic, both can alleviate total weight, the user also can outwell rubbish like a cork, or moves dustpan and transport rubbish when not using.

In view of improvement mentioned above, other obviously improve in the dustpan scope also required for protection below.For example, handle component can also be connected on the end shovel with other structures except that adopting the crotch connection.In addition, various handles both can be installed on the handle component, also can not connect thereon.

According to above-mentioned disclosed explanation of the present invention and embodiment, show to one skilled in the art and suggestion also has other embodiments of the invention.The explanation of this paper and the purpose of embodiment are exemplary, and the spirit and scope of the present invention are limited by following claim.

Claims

1, a kind of dustpan comprises:

Be used to collect the end shovel of rubbish, have the recessed road that at least one installs at least one rolling element on it;

Be connected in the handle component on the end shovel; And

At least one part is installed in the rolling element at least one recessed road.

2, dustpan as claimed in claim 1, wherein shovel inside face in the end is basic continuous surface.

3, dustpan as claimed in claim 1, wherein said at least one rolling element comprises wheel.

4, dustpan as claimed in claim 1 comprises two recessed roads and two rolling elements, and each rolling element to small part is arranged in a corresponding recessed road in two recessed roads.

5, dustpan as claimed in claim 1 is comprising the groove that is formed on shovel rear portion, the end.

6, a kind of dustpan comprises:

End shovel with the open front that is used to collect rubbish;

At least one is contained in the rolling element at shovel rear portion, the end;

Handle component; And

Be arranged on the pivot coupling spare between the handle component and the end shovel, make to promote and front portion when moving up when handle component that the initial maintenance of rear portion rolling element on the ground.

7, dustpan as claimed in claim 6, wherein shovel inside face in the end is basic continuous surface.

8, dustpan as claimed in claim 6, wherein said at least one rolling element comprises a wheel.

9, dustpan as claimed in claim 6 comprises two recessed roads and two rolling elements, and two rolling elements are to the small part setting

In the recessed road of correspondence in two recessed roads.

10, dustpan as claimed in claim 6 further comprises the groove that is formed on after the end is shoveled.

11, a kind of to prevent that abrasive manner from using the method for dustpan, may further comprise the steps:

A dustpan is provided, and this dustpan comprises end shovel, is used to install the recessed road of the rolling element at shovel rear portion, the end, is installed in rolling element in the recessed road to small part, and by the handle component of pivotal joint on end shovel;

Put down handle component and make rolling element contact a surface, behind the rolling element kiss the earth, continue to put down handle component and make end shovel forward the use location to around pivot, thereby and make rolling element rotate the wearing and tearing that prevent end shovel with respect to end shovel with respect to handle component.

12, the method for use dustpan as claimed in claim 11, wherein said rolling element comprise a wheel.