US20090057629A1 - Positioning unit of a carpet kicker - Google Patents
Positioning unit of a carpet kicker Download PDFInfo
- Publication number
- US20090057629A1 US20090057629A1 US11/892,988 US89298807A US2009057629A1 US 20090057629 A1 US20090057629 A1 US 20090057629A1 US 89298807 A US89298807 A US 89298807A US 2009057629 A1 US2009057629 A1 US 2009057629A1
- Authority
- US
- United States
- Prior art keywords
- housing
- gear rack
- hook member
- shaped hook
- carpet
- 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.)
- Granted
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G27/00—Floor fabrics; Fastenings therefor
- A47G27/04—Carpet fasteners; Carpet-expanding devices ; Laying carpeting; Tools therefor
- A47G27/0487—Tools for laying carpeting
- A47G27/0493—Carpet-expanding devices, e.g. stretchers
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- Central Heating Systems (AREA)
Abstract
A positioning unit of a carpet kicker having a housing with a rear end having a receiving element into which a 7-shaped hook member is engaged. The 7-shaped hook member includes a shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state. A flat hook portion is formed at the bottom of the external portion. The 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction. In this way, a more convenient human machine operation interface is ensured. Moreover, it is avoidable that an inclined position is created by a single point reacting force during the operation of the kicker. Accordingly, the carpet may be smoothly pulled and spread on the floor in place.
Description
- 1. Field of the Invention
- The invention generally relates to a positioning unit of a carpet kicker, and more particularly to a carpet kicker that can protect the kicker from being inclined in laying a carpet, such that the carpet can be pulled, spread and fixed smoothly on the floor.
- 2. Description of the Related Art
- Carpets are commonly laid on the floor of our home or office and give us an indoor warm and comfortable feeling. However, carpets must be laid evenly and smoothly on the floor, or else the carpets will be uneven, not only affecting its appearance, but also creating a problem of stumbling people easily.
- If a large carpet is laid, a user usually cannot pull and spread the thick and heavy carpet smoothly by hands, and thus a carpet kicker is needed for the job.
- Referring to
FIG. 1 , a priorart carpet kicker 70 is used to hold a free end of acarpet 62 to push it towards apin board 60 at a wall, and thecarpet kicker 70 includes a rectangularmain body 71, akicking unit 72 installed at a front end of themain body 71, a plurality of protrudingpins 73 disposed at the bottom surface of thekicking unit 72 for hooking and pulling thecarpet 62. The height of the protrudingpin 73 can be controlled by aknob 74. Themain body 11 includes acushion 75 disposed at an end of themain body 11, and carpet kickers of this sort are disclosed in U.S. Pat. No. 3,374,023. - When the
carpet kicker 70 is in use, a user presses themain body 71 by hands, and pushes thecushion 75 in the arrowed direction by knees, such that thekicking unit 72 holds and moves thecarpet 62 gradually towards apin board 60 on a wall, and finally hooks an edge of thecarpet 62 to ahook pin 61 of thepin board 60 to spread and fix thecarpet 62. However, such method is time-consuming and laborious, and using knees to push thecushion 75 for a long time will become an issue of professional safety. - Referring to
FIGS. 2 and 3 for another priorart carpet kicker 80, thecarpet kicker 80 comprises an airpressure input end 81 connected to anair compressor 90 for providing air pressure to ahousing 83 through ahandle 82. Thehousing 83 includes a piston (not shown in the figure) for controlling apiston rod 85 to move forward and backward axially, and an external end of thepiston rod 85 is connected to ahooking rod 86, and the bottom of thehooking rod 86 includes ahook 861. Further, akicking unit 84 is installed at the bottom of a front end of thehousing 83. Although the carpet kicker 80 intends to pull thecarpet 62 pneumatically, its application still has the following problems: - 1. Since the piston is driven pneumatically to move the
piston rod 85, therefore anexternal air compressor 90 is needed to supply air pressure which is inconvenient to users. In other words, users have to carry a heavy andexpensive air compressor 90 for the use of thecarpet kicker 80, and it thus makes the application impractical. - 2. Since the interval D between a
pin board 60 for fixing thecarpet 62 and askirting board 64 at the wall is only 5 mm˜10 mm, and the design does not allow thehook 861 to be installed within the interval D, and it often makes the carpet kicker 80 useless. If the interval D of thepin board 60 is increased to allow the installation of thehook 861, the carpet will produce creases easily and affect the appearance of the carpet adversely. - 3. More importantly, the
carpet kicker 80 uses thehooking rod 86 to hook a fixed end of thepin board 60, and then thepiston board 85 is moved back and forth to pull components such as thehousing 83, handle 82 and kickingunit 84 indicated by dotted lines in the figure to move towards the wall synchronously. Furthermore, the method of using the protrudingpin 841 to drive and pull thecarpet 62 towards thepin board 60 is not too practical, because all of the actions for hooking and pulling thecarpet 62 are centralized at thehook 861, and thepin board 60 is lifted by thehook 861 when thecarpet 62 has not been pulled evenly yet. Therefore, such method of pulling the carpet still has its inevitable drawbacks and requires further improvements. - 4. The
front end 621 has to be lifted in direction of the phantom line for at least 50-100 mm for the hooking and positioning purpose when thekicking unit 84 pulls thecarpet 62 in direction of the top of thepin board 60 for positioning thehook pin 61 of thepin board 60 in place. The redundantfront end 621 of thecarpet 62 will be cut off after the carpet leans against the wall corner. However, theconventional hooking rod 86 will hinder a smooth and natural upward lifting action, thereby affecting the further positioning work. As a result, it is not easy to flatten thecarpet 62 for a nice appearance. - According to U.S. Pat. No. 7,222,898, a carpet kicker disclosed by the inventor of the invention is illustrated in
FIGS. 4 and 5 . The carpet kicker mainly includes ahousing 100, and amotive power device 110. Themotive power device 110 is installed within thehousing 100 for driving agear rack 120 and akicking unit 130 in displacement. Moreover, apositioning device 200 consisting of a connectingboard 210, a L-shaped board 220, and abraking element 230 is disposed at a rear end of thehousing 100. However, this structure is not optimal in use. For example, the L-shaped board 220 is easily deformed due to the insufficient strength thereof. Besides, it is impractical in operation when the horizontalshort side 221 at the bottom thereof is hooked at the bottom rim of theskirting board 64. Furthermore, the verticalshort side 222 of the L-shapedboard 220 does not lean against the wall, thereby creating an instable state or bringing it into an inclined position due to the action of the whole machine to concentrate at the position of the horizontalshort side 221. Meanwhile, theskirting board 64 is easily lifted. In addition, the above-mentioned drawbacks is present when thefront end 621 of thecarpet 62 is lifted, that is, thecarpet 62 is jammed due to the insufficient space for the lifting action. - Therefore, it is a primary object of the present invention to provide a positioning unit of a carpet kicker that ensures a more convenient human machine operation interface. Moreover, it is avoidable that an inclined position is created by a single point reacting force during the operation of the kicker. Accordingly, the carpet may be smoothly pulled and spread on the floor in place.
- Another object of the present invention is to provide a positioning unit of a carpet kicker that includes a non-deformable 7-shaped hook member with great strength. The 7-shaped hook member ensures a sufficient space for the lifting action of the carpet head, thereby achieving the effect of spreading the carpet more evenly and smoothly.
- In order to achieve the above-mentioned objects, a positioning unit of a carpet kicker includes a housing with a rear end having a receiving element into which a 7-shaped hook member is engaged. The 7-shaped hook member includes a shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state. A flat hook portion is formed at the bottom of the external portion. The 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction.
-
FIG. 1 is a schematic view of a prior art manual carpet kicker; -
FIG. 2 is a perspective view of a prior art pneumatic carpet kicker; -
FIG. 3 is a schematic view of using a prior art pneumatic carpet kicker; -
FIG. 4 is a schematic view of a carpet kicker in accordance with U.S. Pat. No. 7,222,898; -
FIG. 5 is an exploded view of a positioning device in accordance with U.S. Pat. No. 7,222,898; -
FIG. 6 is a perspective view of a preferred embodiment in accordance with the invention; -
FIG. 7 is a side view of the preferred embodiment in accordance with the invention; -
FIG. 8 is an exploded perspective view of a 7-shaped hook member in accordance with the invention; -
FIG. 9 is a perspective assembly view of the 7-shaped hook member in accordance with the invention; -
FIG. 10 is a cross-sectional view taken along the line 10-10 ofFIG. 9 ; and -
FIG. 11 is a schematic view of using the preferred embodiment of the invention; - Referring to
FIGS. 6 and 7 , a preferred embodiment of the present invention includes ahousing 10, ahandle 16, a mini-motor 31, agear rack 40, and a kickingunit 50. - The
housing 10 includes a containingspace 11, afront end 12 and arear end 13. A change gear set 30 is disposed within the containingspace 11. - The
handle 16 is positioned above thehousing 10 and provided for a user to hold. - The mini-motor 31 is installed at the
front end 12 of thehousing 10 for driving the change gear set 30 within thehousing 10. - The
gear rack 40 is partially disposed within thehousing 10 and engaged with apinion 32 at the rear end of the change gear set 30. Thegear rack 40 is driven by thepinion 32. The front portion of thegear rack 40 is extended from thefront end 12 of thehousing 10 and is linearly movable back and forth. - The kicking
unit 50 is connected to a front end of thegear rack 40 and moved with thegear rack 40. The bottom surface of the kickingunit 50 has a plurality of protrudingpins 51, and the top surface thereof has aknob 52. - Moreover, a
rotating element 53 rotatable about 180 degree is interposed between the kickingunit 50 and thegear rack 40 such that the front end of the kickingunit 50 is rotatable in direction of a front/rear position. - In addition, the
housing 10 has apower cord 33 for providing the mini-motor 31 with electric power and acontrol switch 34 for controlling the on/off state as well as the clockwise or anti-clockwise rotation of the mini-motor 31. - The above-mentioned is a prior art configuration. The invention is characterized in that the rear end of the
housing 10 is provided with a receivingelement 14 into which a 7-shapedhook member 20 is engaged. The 7-shapedhook member 20 includes an shorterinternal portion 20A for engaging into the receivingelement 14 in place and a longerexternal portion 20B for leaning against a wall in anupright state 20D. Aflat hook portion 20E is formed at the bottom of theexternal portion 20B. - Besides, the 7-shaped
hook member 20 includes a plurality of strengtheningribs 20C that are arranged in a non-flat and parallel manner in a vertical direction. - Meanwhile, the internal side of the receiving
element 14 includes a lockingelement 15 for stably fixing the internal side of the 7-shapedhook member 20 on thehandle 16. - As shown in
FIGS. 8 through 10 , the 7-shapedhook member 20 in accordance with a preferred embodiment of the invention includes an external 7-shapedpiece 21 and an internal n-shapedpiece 22 both of which are welded together (see the weldedposition 20F) to form an integral body. A plurality of first protrudingribs 211 are formed inwardly on the surface of the external 7-shapedpiece 21 while the internal n-shapedpiece 22 is provided with a plurality of secondprotruding ribs 221 opposing to the firstprotruding ribs 211. In this way, the strengtheningribs 20C are created when the first and second protruding ribs are coupled to one another. Accordingly, the 7-shapedhook member 20 is not heavy such that the whole body may be brought into equilibrium when thehandle 16 is held to raise it. As a result, the human machine operating interface is more convenient and ergonomic. In addition, the strength of the 7-shapedhook member 20 is excellent due to its strengtheningribs 20C in coupling the external 7-shapedpiece 21 and the internal n-shapedpiece 22 together although the 7-shapedhook member 20 has less weight. Furthermore, the strength of the 7-shapedhook member 20 can ensure theupright state 20D of theexternal portion 20B thereof (seeFIG. 7 ) and avoid the deformation after application of force. Besides, a receivingspace 20G is created between theexternal portion 20B and theinternal portion 20A for the lifting action of the carpet end. - As shown in
FIG. 11 , theexternal portion 20B of the 7-shapedhook member 20 is brought into theupright state 20D for leaning against a wall or askirting board 64 by use of the positioning unit of the 7-shapedhook member 20. Meanwhile, theflat hook portion 20E at the tail of the 7-shapedhook member 20 can be smoothly inserted into a gap D for hooking thepin board 60 in place. Accordingly, the kickingunit 50 may be employed to spread thecarpet 62. Compared with the structure according toFIG. 3 , theflat hook portion 20E is easily hooked on thepin board 60. Moreover, thehousing 10 and the mini-motor 31 stay unmoved such that thegear rack 40 pushes the kickingunit 50 to catch thecarpet 62 and to move it in direction to the wall. As a result, only the elements within the dashed line are moved. Therefore, the application of the invention does not have the action in accordance withFIG. 3 , and the problem thereof can be effectively resolved. - The most important is that the
external portion 20B of the 7-shapedhook member 20 is completely leaned against the wall or theskirting board 64 in anupright state 20D. Thus, thehousing 10 is not inclined, but closely and stably leaned against the wall when an external force acts on the kickingunit 50. - Furthermore, the receiving
space 20G at the center of the 7-shapedhook member 20 won't block the lifting action of thefront end 621 of the carpet. Accordingly, the spreading and positioning operation of thecarpet 62 may be rapidly completed for a flat and nice appearance. - As a result, the conventional drawbacks can be removed by use of the positioning unit of the invention in match of the shifting mode of the kicking
unit 50, such that the human machine operation interface is more convenient and the work can be done more stably and savely. - Many changes and modifications in the above-described embodiment of the invention can, of course, be carried out without departing from the scope thereof. Accordingly, to promote the progress in science and the useful arts, the invention is disclosed and is intended to be limited only by the scope of the appended claims.
Claims (5)
1. A positioning unit of a carpet kicker, comprising:
a) a housing having a containing space, a front end and a rear end, a change gear set being disposed within the containing space;
b) a handle positioned above the housing and provided for a user to hold;
c) a motor installed at the front end of the housing for driving the change gear set within the housing;
d) a gear rack partially disposed within the housing and engaged with a pinion at the rear end of the change gear set, the gear rack being driven by the pinion, a front portion of the gear rack being extended from the front end of the housing and linearly movable back and forth; and
e) a kicking unit connected to a front end of the gear rack and moved with the gear rack, a bottom surface of the kicking unit having a plurality of protruding pins, and a top surface thereof having a knob, the kicking unit being angularly reversible in orientation relative to the gear rack;
wherein a rear end of the housing is provided with a receiving element into which a 7-shaped hook member is engaged, and the 7-shaped hook member includes an shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state, and a flat hook portion is formed at the bottom of the external portion; and
wherein the 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction.
2. A positioning unit of a carpet kicker, comprising:
a) a housing having a containing space, a front end and a rear end, a change gear set being disposed within the containing space;
b) a handle positioned above the housing and provided for a user to hold;
c) a motor installed at the front end of the housing for driving the change gear set within the housing;
d) a gear rack partially disposed within the housing and engaged with a pinion at the rear end of the change gear set, the gear rack being driven by the pinion, a front portion of the gear rack being extended from the front end of the housing and linearly movable back and forth; and
e) a kicking unit connected to a front end of the gear rack and moved with the gear rack, a bottom surface of the kicking unit having a plurality of protruding pins, and a top surface thereof having a knob;
wherein a rear end of the housing is provided with a receiving element into which a 7-shaped hook member is engaged, and the 7-shaped hook member includes an shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state, and a flat hook portion is formed at the bottom of the external portion; and
wherein the 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction;
wherein the 7-shaped hook member includes an external 7-shaped piece and an internal n-shaped piece both of which are welded together to form an integral body, and wherein a plurality of first protruding ribs are formed inwardly on the surface of the external 7-shaped piece while the internal n-shaped piece is provided with a plurality of second protruding ribs opposing to the first protruding ribs.
3. The positioning unit of a carpet kicker as recited in claim 1 , wherein the internal side of the receiving element includes a locking element for fixing the internal side of the 7-shaped hook member.
4. A positioning unit of a carpet kicker, comprising:
a) a housing having a containing space, a front end and a rear end, a change gear set being disposed within the containing space;
b) a handle positioned above the housing and provided for a user to hold;
c) a motor installed at the front end of the housing for driving the change gear set within the housing;
d) a gear rack partially disposed within the housing and engaged with a pinion at the rear end of the change gear set, the gear rack being driven by the pinion, a front portion of the gear rack being extended from the front end of the housing and linearly movable back and forth; and
e) a kicking unit connected to a front end of the gear rack and moved with the gear rack, a bottom surface of the kicking unit having a plurality of protruding pins, and a top surface thereof having a knob;
wherein a rear end of the housing is provided with a receiving element into which a 7-shaped hook member is engaged, and the 7-shaped hook member includes an shorter internal portion for engaging into the receiving element in place and a longer external portion for leaning against a wall in an upright state, and a flat hook portion is formed at the bottom of the external portion; and
wherein the 7-shaped hook member includes a plurality of strengthening ribs that are arranged in a non-flat and parallel manner in a vertical direction;
wherein a rotating element rotatable about 180 degree is interposed between the kicking unit and the gear rack, whereby the front end of the kicking unit is rotatable between front and rear directed positions.
5. The positioning unit of a carpet kicker as recited in claim 1 , wherein the housing has a power cord and a control switch.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/892,988 US7497418B1 (en) | 2007-08-29 | 2007-08-29 | Positioning unit of a carpet kicker |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/892,988 US7497418B1 (en) | 2007-08-29 | 2007-08-29 | Positioning unit of a carpet kicker |
Publications (2)
Publication Number | Publication Date |
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US7497418B1 US7497418B1 (en) | 2009-03-03 |
US20090057629A1 true US20090057629A1 (en) | 2009-03-05 |
Family
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Application Number | Title | Priority Date | Filing Date |
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US11/892,988 Expired - Fee Related US7497418B1 (en) | 2007-08-29 | 2007-08-29 | Positioning unit of a carpet kicker |
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US (1) | US7497418B1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130193390A1 (en) * | 2012-01-20 | 2013-08-01 | Beno J. Gundlach Company | Carpet Installation Apparatus |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7758022B1 (en) * | 2007-09-13 | 2010-07-20 | Robert Wright | Pneumatic carpet stretcher |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US670947A (en) * | 1900-11-02 | 1901-04-02 | Paul Briggs | Carpet-stretcher. |
US1929837A (en) * | 1932-03-14 | 1933-10-10 | Harry E Cathcard | Carpet stretcher |
US4042211A (en) * | 1975-03-06 | 1977-08-16 | Hammond John M | Portable device for stretching and installing carpet |
US4084787A (en) * | 1976-06-14 | 1978-04-18 | Kowalczyk Adam V | Carpet installation tool |
US5145225A (en) * | 1988-07-27 | 1992-09-08 | Muller George M | Carpet stretcher |
US5228660A (en) * | 1991-06-10 | 1993-07-20 | Leopold Massicotte | Power operated carpet stretching tool |
US5626329A (en) * | 1992-06-23 | 1997-05-06 | Herdan; Ralph | Suction operated carpet laying device |
US5664764A (en) * | 1994-11-02 | 1997-09-09 | Wolff Gmbh | Device for stretching carpets with a hold down |
US6371446B1 (en) * | 2000-09-14 | 2002-04-16 | Kenneth C. Gauthier | Hand-held pneumatic carpet stretcher |
US7140597B2 (en) * | 2004-11-02 | 2006-11-28 | Hsin-Feng Chien | Carpet stretching device |
US7159850B2 (en) * | 2004-07-02 | 2007-01-09 | Lee Peters | Pneumatic carpet stretcher |
US7222898B1 (en) * | 2006-06-27 | 2007-05-29 | Tzu-Chiang Mei | Carpet kicker |
-
2007
- 2007-08-29 US US11/892,988 patent/US7497418B1/en not_active Expired - Fee Related
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US670947A (en) * | 1900-11-02 | 1901-04-02 | Paul Briggs | Carpet-stretcher. |
US1929837A (en) * | 1932-03-14 | 1933-10-10 | Harry E Cathcard | Carpet stretcher |
US4042211A (en) * | 1975-03-06 | 1977-08-16 | Hammond John M | Portable device for stretching and installing carpet |
US4084787A (en) * | 1976-06-14 | 1978-04-18 | Kowalczyk Adam V | Carpet installation tool |
US5145225A (en) * | 1988-07-27 | 1992-09-08 | Muller George M | Carpet stretcher |
US5228660A (en) * | 1991-06-10 | 1993-07-20 | Leopold Massicotte | Power operated carpet stretching tool |
US5626329A (en) * | 1992-06-23 | 1997-05-06 | Herdan; Ralph | Suction operated carpet laying device |
US5664764A (en) * | 1994-11-02 | 1997-09-09 | Wolff Gmbh | Device for stretching carpets with a hold down |
US6371446B1 (en) * | 2000-09-14 | 2002-04-16 | Kenneth C. Gauthier | Hand-held pneumatic carpet stretcher |
US7159850B2 (en) * | 2004-07-02 | 2007-01-09 | Lee Peters | Pneumatic carpet stretcher |
US7140597B2 (en) * | 2004-11-02 | 2006-11-28 | Hsin-Feng Chien | Carpet stretching device |
US7222898B1 (en) * | 2006-06-27 | 2007-05-29 | Tzu-Chiang Mei | Carpet kicker |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130193390A1 (en) * | 2012-01-20 | 2013-08-01 | Beno J. Gundlach Company | Carpet Installation Apparatus |
US9198531B2 (en) * | 2012-01-20 | 2015-12-01 | Beno J. Gundlach Company | Carpet installation apparatus |
Also Published As
Publication number | Publication date |
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US7497418B1 (en) | 2009-03-03 |
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LAPS | Lapse for failure to pay maintenance fees | ||
STCH | Information on status: patent discontinuation |
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Effective date: 20130303 |