CN104172818A - Picture frame hanger - Google Patents
Picture frame hanger Download PDFInfo
- Publication number
- CN104172818A CN104172818A CN201310695129.4A CN201310695129A CN104172818A CN 104172818 A CN104172818 A CN 104172818A CN 201310695129 A CN201310695129 A CN 201310695129A CN 104172818 A CN104172818 A CN 104172818A
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- CN
- China
- Prior art keywords
- hook
- holdfast
- picture frame
- hole
- frame wall
- 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.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
- A47G1/16—Devices for hanging or supporting pictures, mirrors, or the like
- A47G1/20—Picture hooks; X-hooks
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47G—HOUSEHOLD OR TABLE EQUIPMENT
- A47G1/00—Mirrors; Picture frames or the like, e.g. provided with heating, lighting or ventilating means
- A47G1/16—Devices for hanging or supporting pictures, mirrors, or the like
- A47G1/1633—Wall members for connection to a conventional picture
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- Casings For Electric Apparatus (AREA)
- Mirrors, Picture Frames, Photograph Stands, And Related Fastening Devices (AREA)
Abstract
Present invention discloses a new upper-hook-section and lower-anchor-section hanger that overcomes the drawbacks of conventional upper-anchor-section and lower-hook-section hanger of prior art, as well as the drawbacks of upper-hook-section and lower-anchor-section hangers of U.S. Pat. No. 7,222,833 previously issued to author of present invention. Present invention also discloses a new dual-hooks hanger that has upper-hook-sections and lower-anchor-sections. The invention also discloses a device and method for preassembling a nail in an anchor section. By improving the design of the anchor section, the invention also discloses a method for improving the loading weight of the upper-hook-section and lower-anchor-section hanger, and therefore the loading weight of the new upper-hook-section and lower-anchor-section hanger can be equal to that of a conventional upper-anchor-section and lower-hook-section hanger.
Description
Technical field
The invention relates to a kind of picture frame wall hook, for hang picture frame or analog on wall.
Background technology
Traditional picture frame wall hook generally includes anchor portion and hook portion.In the prior art, anchor portion is usually located at the top of picture frame wall hook, for example, for receiving and guide holdfast to enter within the walls with oblique angle, miter angle.Hook portion is usually located at the bottom of picture frame wall hook, and its U hook is for receiving and support the hang spring of picture frame.It is rotation in order to prevent picture frame wall hook, loosening or come off within the walls that holdfast enters with oblique angle.Traditional top-anchor portion and the arrangement of bottom-hook portion allow in installation process, and the bottom of the hand-holdable picture frame wall hook of user enters within the walls with oblique angle from the top hammering holdfast of picture frame wall hook simultaneously.But prior art has a main shortcoming.
In the time hanging picture frame, because user can't see picture frame picture frame wall hook behind, the necessary hand-held picture frame of user is a little more than picture frame wall hook, then by wall down sliding picture frame, until picture frame hang spring enters U hook.Unfortunately, because anchor portion and holdfast are positioned at the top of U hook, anchor portion and holdfast stop hang spring directly to enter U hook.Therefore, user need to take time and make repeated attempts hang spring is inserted to U hook.In some cases, user may hang over hang spring anchor portion top mistakenly, instead of inserts U hook.Consequently, picture frame is hung over anchor portion top astatically, and may come off from wall.Picture frame wall hook of the prior art, for example United States Patent (USP) No. 1675281, No. 3226065, No. 2137837, No. 2454813, No. 2940712 and No. 5267719, has this shortcoming.
Applicant of the present invention, in United States Patent (USP) 7222833, discloses a kind of new picture frame wall hook.In this invention, anchor portion is the bottom that is positioned at picture frame wall hook, namely U hook under.In other words, the entrance of U hook can not block in anchor portion.Therefore, user can directly insert U hook by picture frame hang spring easily, also can not mistakenly and astatically picture frame hang spring be hung over to anchor portion.
But the new picture frame wall hook of United States Patent (USP) 7222833 also has some shortcomings.First, all laterally extending almost identical distance of U hook and anchor portion.Consequently, anchor portion need to be used the fixing picture frame wall hook of longer holdfast on wall.The laterally extending distance of the second, U hook increases.Consequently, in the time that picture frame hangs on wall, the gap of the picture frame back side and wall surface also increases.We know, in the time that picture frame hangs on wall, the picture frame back side and wall surface preferably keep gapless or minimum clearance.
As can be seen here, above-mentioned existing picture frame wall hook, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, completed by development but have no for a long time applicable design always, and common product does not have appropriate structure to address the above problem, this is obviously the problem that the anxious wish of relevant dealer solves.
Summary of the invention
The object of the invention is to overcome the defect that existing picture frame wall hook exists, and the picture frame wall hook of a top-hook portion and bottom-anchor portion is provided.By improving the design of anchor portion, make the laterally extending distance of anchor portion be less than the laterally extending distance of U hook.Consequently, a shorter holdfast can be for fixing picture frame wall hook on wall.Because the laterally extending distance of U hook also can be shortened simultaneously, in the time that picture frame hangs on wall, the picture frame back side and wall surface also can keep gapless or minimum clearance.
Another object of the present invention is to overcome the defect that existing picture frame wall hook exists, and a picture frame wall hook with double-H groove weld hook is provided, and wherein, U hook and U hook keep level and enough distances.Certainly, the picture frame wall hook of this double hook is the picture frame wall hook of a top-hook portion and bottom-anchor portion.We know, in the time that picture frame hangs over single U hook, picture frame is difficult to maintain balance or level.Fact proved, if picture frame is to hang on double-H groove weld hook, and U hook and U hook keep level and enough distances, and picture frame can maintain balance and level.We also know, because the picture frame wall hook of single U hook has a relatively little volume, the picture frame wall hook of single U hook is difficult to the holdfast hammering district that provides enough, or suitable finger footprint.Obviously, double hook picture frame wall hook of the present invention can address this problem, and enough holdfast hammering districts is provided and points footprint to picture frame wall hook is installed on wall.
A further object of the present invention is to overcome the defect that existing picture frame wall hook exists, and a picture frame wall hook is provided, and not only has the arrangement of top-hook portion and bottom-anchor portion, also has the anchor portion of an expansion, can fix holdfast and not come off in anchor portion.As mentioned above, in the prior art, the anchor portion of picture frame wall hook is the top that is positioned at picture frame wall hook.And though its laterally extending distance enough guides holdfast to enter within the walls with oblique angle.But its laterally extending distance is limited, so that the hang spring of picture frame is walked around anchor portion and entered U hook.Obviously, in the prior art, the laterally extending distance of anchor portion is not so large as to be enough to allow holdfast be fixed in anchor portion.Therefore, in the time that installation picture frame wall hook is on wall, user is hand-held picture frame wall hook and holdfast simultaneously, and then hammering holdfast enters within the walls with oblique angle.The anchor portion picture frame wall hook that has an expansion that utilizes the present invention to propose, was installing picture frame wall hook before wall, user can pre-assembled holdfast in anchor portion hook.Picture frame wall hook is being installed on wall time, user need only hand-held picture frame wall hook, and hand-held picture frame wall hook and holdfast simultaneously.This function can be convenient to install picture frame wall hook.
Finally, a further object of the present invention is to provide a picture frame wall hook and comprises combination as above: the arrangement of top-hook portion and bottom-anchor portion is so that picture frame hang spring directly enters U hook, the arrangement of a double hook is to keep the level of picture frame, and the anchor portion of an expansion is to fix the inclined via-hole position of holdfast in anchor portion.
The object of the invention is to realize by the following technical solutions.A kind of picture frame wall hook proposing according to the present invention, comprises a U hook, is positioned at the top of this picture frame wall hook, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end; This picture frame wall hook comprises a through hole, is positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid picture frame wall hook, wherein, the diameter of the chimeric described holdfast of diameter of described through hole, makes holdfast not borrow external force to remain on unlikely coming off in through hole, so that user's pre-assembled holdfast is in anchor portion.
Preferably, aforesaid picture frame wall hook, wherein, described through hole is inclined via-hole, the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole is inclined via-hole, its outlet covers a thin lid, makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
Object of the present invention also can realize by the following technical solutions.A kind of picture frame wall hook proposing according to the present invention, comprise: rectangular-shaped substrate, the first hook body is integrally connected to the first vertical side edge of this substrate, the second hook body is integrally connected to the second vertical side edge of this substrate, with a pair of holdfast, wherein: described the first hook body and the second hook body are identical, and horizontal location is on described substrate; Described the first and second hook bodies respectively comprise that a U hook is positioned at the top of this hook body, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end; Described the first and second hook bodies respectively comprise a through hole, are positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid picture frame wall hook, wherein said, described through hole is inclined via-hole, the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole is inclined via-hole, its outlet covers a thin lid, makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
Object of the present invention also can realize by the following technical solutions.A kind of picture frame wall hook proposing according to the present invention, comprise rectangular-shaped substrate, the first hook body is integrally connected to the first vertical side edge of this substrate, the second hook body is integrally connected to the second vertical side edge of this substrate, at least one laterally extending body is integrally connected to the middle section of described substrate, at least one cross through hole is crossed over this laterally extending body and substrate, with at least one holdfast, wherein: described the first hook body and the second hook body are identical, and horizontal location is on described substrate; Described the first and second hook bodies respectively comprise a U hook, are positioned at the top of this hook body, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end; Described the first and second hook bodies respectively comprise a through hole, are positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
Object of the present invention also can be applied to the following technical measures to achieve further.
Preferably, aforesaid picture frame wall hook, wherein said, this picture frame wall hook comprises:
Described laterally extending body, is connected to the middle section of described substrate;
Described cross through hole, crosses over this laterally extending body and substrate; And
Described holdfast, borrows through hole to cross over this laterally extending body and this substrate enters wall.
Preferably, aforesaid picture frame wall hook, wherein, described through hole is inclined via-hole, the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole is inclined via-hole, its outlet covers a thin lid, makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
Preferably, aforesaid picture frame wall hook, wherein, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
By technique scheme, picture frame wall hook of the present invention at least has following advantages and beneficial effect: by improving the design of anchor portion, make the laterally extending distance of anchor portion be less than the laterally extending distance of U hook, consequently, a shorter holdfast can be for fixing picture frame wall hook on wall, because the laterally extending distance of U hook also can be shortened simultaneously, in the time that picture frame hangs on wall, the picture frame back side and wall surface also can keep gapless or minimum clearance; The picture frame wall hook design of double-H groove weld hook, U hook and U hook keep level and enough distances, and picture frame hangs on double-H groove weld hook can maintain balance and level, and enough holdfast hammering district and finger footprints are provided, can be so that picture frame wall hook is installed on wall; There is the picture frame wall hook of the anchor portion of an expansion, picture frame wall hook is being installed before wall, user can pre-assembled holdfast in anchor portion hook, in the time that installation picture frame wall hook is on wall, user need only hand-held picture frame wall hook, and not simultaneously hand-held picture frame wall hook and holdfast, this function can be fixed holdfast and do not come off in anchor portion, the convenient picture frame wall hook of installing.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Brief description of the drawings
Figure 1A and Figure 1B are respectively stereogram and the cutaway views of the first preferred entity of picture frame wall hook of the present invention.
Fig. 2 is the stereogram of the second preferred entity of picture frame wall hook of the present invention.
Fig. 3 is the stereogram of the 3rd preferred entity of picture frame wall hook of the present invention.
Fig. 4 is the stereogram of the 4th preferred entity of picture frame wall hook of the present invention.
Fig. 5 is that the holdfast that is inclined upwardly is subject to heavy duty schematic diagram.
Fig. 6 is that horizontal holdfast is subject to heavy duty schematic diagram.
Fig. 7 is that downward-sloping holdfast is subject to heavy duty schematic diagram.
Fig. 8 is L cantilever, and its galianconism borrows horizontal holdfast to be fixed on wall, its long-armed heavy duty that is subject to.
Fig. 9 is inverted L cantilever, and its galianconism borrows horizontal holdfast to be fixed on wall, its long-armed heavy duty that is subject to.
Figure 10 is L cantilever, its long-armed borrow horizontal holdfast be fixed on wall, its galianconism is subject to heavy duty.
Figure 11 is inverted L cantilever, and it is long-armed borrows horizontal holdfast to be fixed on wall, and its galianconism is subject to heavy duty.
Figure 12 is the cantilever of Figure 11 schematic diagram in inclination angle D inactive state.
Figure 13 is Figure 11 cantilever of revision schematic diagram in inclination angle D inactive state.
Figure 14 A is the cutaway view of the 5th preferred entity of picture frame wall hook of the present invention.
Figure 14 B is the cutaway view of the 6th preferred entity of picture frame wall hook of the present invention.
Figure 15 A is L cantilever, the picture frame wall hook of representative graph 14A and Figure 14 B, the schematic diagram that its cantilever remains static in independent free body figure.
Figure 15 B is L cantilever, the picture frame wall hook of representative graph 14A and Figure 14 B, the schematic diagram that its holdfast remains static in independent free body figure.
Figure 16 A is that the L cantilever of Figure 15 A rotates D degree, the schematic diagram that its cantilever remains static in independent free body figure from initial inactive state.
Figure 16 B is that the L cantilever of Figure 15 B rotates D degree, the schematic diagram that its holdfast remains static in independent free body figure from initial inactive state.
[main element symbol description]
1: picture frame wall hook 2: substrate
3: hook body 4:U hook
5: the top 6 of substrate: the roof panel of hook body
7: the open top end of the swash plate 8:U hook of hook body
The bottom lock end 10 of 9:U hook: through hole
11: holdfast 12: wall
13: the bottom 14 of substrate: the exit point of holdfast
15: picture frame wall hook 16: base plate
18: the second hook bodies of 17: the first hook bodies
20: the two U hooks of 19: the U hooks
21: through hole 22: through hole
23: picture frame wall hook 24: substrate
26: the second hook bodies of 25: the first hook bodies
28: the second laterally extending bodies of 27: the first laterally extending bodies
30: the two U hooks of 29: the U hooks
31: through hole 32: through hole
35: picture frame wall hook 36: substrate
38: the second hook bodies of 37: the first hook bodies
39: laterally extending body 40: through hole
41: through hole 42: through hole
43: picture frame wall hook 44: through hole
45: holdfast 46: the exit point of holdfast
48:U shape hook inside the bottom lock end of 47:U shape hook
49: picture frame wall hook 50: base plate
51: laterally extending body 52: through hole
53: holdfast 54: the exit point of holdfast
56:U shape hook inside the bottom lock end of 55:U shape hook
F: heavily loaded u: coefficient of friction
Fy: the revolving force perpendicular to holdfast that heavily loaded F decomposes
Ft: the pulling force that is parallel to holdfast that heavily loaded F decomposes
M: turning moment Mr: the moment of resistance
D: angle of inclination Fc: compression stress
T: wall thickness Fr: frictional force
The length on another limit of length B:L cantilever on a limit of A:L cantilever
C: holdfast is to the distance H of L cantilever minor face: L cantilever minor face end points is to the distance of wall
F
1: the power F of vertical cantilever
2: the power of parallel cantilever
F': heavily loaded D': the anglec of rotation
Detailed description of the invention
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to detailed description of the invention, structure, feature and effect thereof of the picture frame wall hook proposing according to the present invention, be described in detail as follows.
As shown in FIG. 1A and 1B, be stereogram and the cutaway view of the first preferred entity of picture frame wall hook of the present invention.Picture frame wall hook 1 has substrate 2, and a hook body 3 is integrally connected to substrate 2.The U-shaped of U hook 4 is by forming below: the top 5 of substrate 2, the roof panel 6 of hook body 3, and the swash plate 7 that upward and outward extends of hook body 3.Obviously, the open top end 8 of U hook 4, for introducing picture frame hang spring (not shown), the transverse width having is greater than the transverse width of the bottom lock end 9 of U hook 4.
Inclined via-hole 10 laterally runs through hook body 3 and substrate 2, for receiving holdfast 11 and guiding holdfast 11 to enter wall 12 with oblique angle.Consequently, picture frame wall hook 1 can be around inclination holdfast 11 hinges or rotation.Obviously, through hole 10 has enough length to support holdfast 11.So, user can pre-assembled holdfast 11 in hook body 3 to picture frame wall hook 1 is installed on wall 12.Keep the method for holdfast 11 in through hole 10 to realize by frictional force, or cover the outlet 14 of holdfast with thin lid (not shown).In the time that hammer impacts holdfast 11, holdfast 11 can enter wall 12 through this thin lid.Consequently, in the time that picture frame wall hook 1 is installed at wall 12, user only needs hand-held substrate 2, and without hand-held substrate 2 and holdfast 11.The installation that this is conducive to facilitate picture frame wall hook 1, the holdfast 11 that allows user can impact like a cork inclination enters wall 12.Existing conventional art can not provide such function.
It should be noted that U hook 4 is arranged on the top of picture frame wall hook 1, holdfast 11 be arranged on the bottom of picture frame wall hook 1 and U hook 4 under.Therefore, when hanging picture frame on picture frame wall hook 1 time, user can first hand-held picture frame a little more than picture frame wall hook 1, then by wall down sliding picture frame, until picture frame hang spring enters U hook 4.Therefore the shortcoming of traditional top-anchor portion and the picture frame wall hook of bottom-hook portion is eliminated.
As shown in FIG. 1A and 1B, bottom-anchor portion of hook body 3 becomes the laterally extending even width of box-like shape, and its width is much smaller than the width of the open top end 8 of U hook 4.Consequently, the long holdfast comparison of relatively short holdfast 11(and United States Patent (USP) 7222833) can be used for fixing picture frame wall hook 1 on wall 12.In addition,, because U hook 4 can reduce size, in the time that picture frame hangs on wall, the picture frame back side and wall surface can keep gapless or minimum clearance.
Even if it should be noted that picture frame wall hook 1 has a relatively little volume, suitable finger touch-down zone is provided for the top 5 of substrate 2 or bottom 13 so that user installation picture frame wall hook 1.The bottom 13 of substrate 2 extends across the exit point 14 of holdfast 11 toward below.Consequently, picture frame wall hook 1, can not be carried in picture frame wall hook 1 top because of weight, and causes down hinge or come off from wall of picture frame wall hook 1.Hook body 3 also provides a solid holdfast hammering district, causes the damage of U hook 4 while preventing holdfast hammering.
As shown in FIG. 1A and 1B, picture frame wall hook 1 can be by injection molding, and still, picture frame wall hook 1 also can be formed by continuous bend by metallic plate, or any other method forms.The picture frame wall hook 1 forming by metallic plate continuous bend, in illustrated structure may from Figure 1A and Figure 1B can be slightly different.But such variation should be contemplated within the scope of the present invention.
As shown in Figure 2, be the stereogram of the second preferred entity of picture frame wall hook of the present invention.Picture frame wall hook 15 comprises: base plate 16, the first hook bodies 17 are integrally connected to the left side edge of base plate 16, and the second hook body 18 is integrally connected to the right side edge of base plate 16.Hook body 17 and 18 is identical with the hook body 3 in Figure 1A and Figure 1B.For simplifying object, author of the present invention does not intend in Fig. 2, to repeat to identify the assembling numbering of all parts.Obviously, picture frame wall hook 15 is double hook picture frame wall hooks, comprises a U hook 19 and the 2nd U hook 20, and they are identical with the U hook 4 in Figure 1A and Figure 1B.U hook 19 and 20 respectively has an open top end for receiving the hang spring (not shown) of picture frame, and the hang spring of a bottom lock end support picture frame.Obviously, the open top end transverse width of U hook 19 and 20, is greater than bottom lock end transverse width.U hook 19 and 20 by horizontal location on base plate 16.So, when picture frame wall hook 15 by horizontal location on wall, picture frame can keep balance and level.Hook body 17 and 18 provides respectively inclined via-hole 21 and 22 for receiving and guiding holdfast (not shown) to enter within the walls with oblique angle.Consequently, picture frame wall hook 15 can not rotate or hinge around holdfast.
Each through hole 21 and 22 has enough length and supports holdfast.Therefore,, in the time that picture frame wall hook 15 is installed, user can pre-install holdfast in picture frame wall hook 15.Holdfast remains in through hole 21 and 22 and does not come off and can be realized by frictional force, or covers the outlet of holdfast with thin lid (not shown).In the time that hammer impacts holdfast, holdfast can enter wall through this thin lid.
Importantly, even if U hook 19 and 20 has a relatively little volume, base plate 16 provides enough finger touch-down zones.In the time that picture frame wall hook 15 is installed, user can pin base plate 16 on the other hand by wall, and another hand-held hammering is beaten holdfast and entered wall.Hook body 17 and 18 also provides a solid holdfast hammering district, causes the damage of U hook 19 and 20 while preventing holdfast hammering.
As shown in Figure 3, be the stereogram of the 3rd preferred entity of picture frame wall hook of the present invention.Picture frame wall hook 23 comprises: substrate 24, the first hook body 25 is integrally connected to the left side edge of substrate 24, the second hook body 26 is integrally connected to the right side edge of substrate 24, and the first and second laterally extending bodies 27 and 28 are integrally connected to the middle section of substrate 24.Hook body 25 and 26 is identical with the hook body 3 in Figure 1A and Figure 1B, but has an exception, and exception is that hook body 25 and 26 does not arrange through hole.Picture frame wall hook 23 is double hook picture frame wall hooks, is provided with a U hook 29 and the 2nd U hook 30, and they are identical with the U hook 4 in Figure 1A and Figure 1B.U hook 29 and 30 respectively has an open top end for receiving the hang spring (not shown) of picture frame, and a bottom lock end is for supporting the hang spring of picture frame.Obviously, the transverse width of open top end is greater than the transverse width of bottom lock end.U hook 29 and 30 by horizontal location on substrate 24.So, when picture frame wall hook 23 by horizontal location on wall, picture frame can keep balance and level.The first and second laterally extending bodies 27 and 28 respectively provide inclined via-hole 31 and 32 for receiving and guiding holdfast (not shown) to enter in wall with oblique angle.Consequently, picture frame wall hook 23 can not rotate or hinge around holdfast.Each through hole 31 and 32 has enough length and supports holdfast.Therefore,, before installation picture frame wall hook 23, user can pre-install holdfast in picture frame wall hook 23.Holdfast remains in through hole 31 and 32 and does not come off and can be realized by frictional force, or covers the outlet of holdfast with thin lid (not shown).In the time that hammer impacts holdfast, holdfast can enter wall through this thin lid.
Importantly, top or the free end of laterally extending body 27 and 28, its horizontal level is below the horizontal level of U hook 29 and 30 inside bottom blind ends, and their transverse width is also little than the transverse width of U hook 29 and 30 open top end.Consequently, when hanging picture frame during at picture frame wall hook 23, user can first hand-held picture frame a little more than picture frame wall hook 23, then by wall down sliding picture frame, until picture frame hang spring enters U hook 29 and 30.In addition,, because U hook 29 and 30 can shorten size, in the time that picture frame hangs on wall, the picture frame back side and wall surface can keep gapless or minimum clearance.
Importantly, substrate 24 enough spaces are provided in case user with a hand-held substrate 24, holdfast is beaten in the hand-held hammering of another.U hook 29, laterally extending body 27, laterally extending body 28, U hook 30, has enough distances and enough holdfast hammering spaces is provided between them.
As shown in Figure 4, be the stereogram of the 4th preferred entity of picture frame wall hook of the present invention.Picture frame wall hook 35 is in conjunction with picture frame wall hook 15(Fig. 2) and picture frame wall hook 23(Fig. 3).In Fig. 4, picture frame wall hook 35 comprises substrate 36, the first and second hook bodies 37 and 38, and laterally extending body 39.Except the difference of shape, hook body 37 and 38 is identical with hook body in Fig. 2 17 and 18.The function of the laterally extending body 27 or 28 in the function of laterally extending body 39 and Fig. 3 is identical.Hook body 37 and 38 provides inclined via-hole 40 and 41 for receiving holdfast (not shown) and guiding holdfast wall to tilt into wall.Laterally extending body 39 provides inclined via-hole 42 for receiving holdfast (not shown) and guiding holdfast wall to tilt into wall.Obvious, owing to increasing a holdfast, the load capacity of the picture frame wall hook 35 of Fig. 4 is greater than the load capacity of the picture frame wall hook 15 of Fig. 2.
Finally, also have some important problems to need to answer.Can the load capacity of picture frame wall hook of the present invention be equal to the load capacity of traditional picture frame wall hook? can the load capacity of picture frame wall hook of the present invention be much larger than the load capacity of independent use holdfast load picture frame? how to improve to improve the load capacity of picture frame wall hook of the present invention? according to basic cantilever theory, following discussion provides the answer of all the problems referred to above.
Fig. 5 demonstrates the holdfast that is inclined upwardly and is subject to heavily loaded F.Heavy duty F can be broken down into revolving force Fy(=FcosD) perpendicular to holdfast, and tensile force f t(=FsinD) be parallel to holdfast.Obviously, tensile force f t is the direction that enters wall pushing away holdfast, instead of is extracting the direction of holdfast.
Fig. 6 demonstrates horizontal holdfast and is subject to heavily loaded F.Obviously, whole heavily loaded F is as revolving force Fy(=F).
Fig. 7 demonstrates downward-sloping holdfast and is subject to heavily loaded F.Heavy duty F can be broken down into revolving force Fy(=FcosD) perpendicular to holdfast, and tensile force f t(=FsinD) be parallel to holdfast.Obviously, tensile force f t is extracting the direction of holdfast.Revolving force Fy causes turning moment M(=Fy × R=F x cosD x R) around wall central rotation holdfast.There is moment of resistance Mr(=Fc x Rc simultaneously) produced by the compression stress Fc of holdfast.Wall is the embedding holdfast at whole section to the compression force distribution of holdfast.In order to use single Fc to represent that total compression power is distributed in the embedding holdfast of whole section, Fc must be positioned at compression force distribution center of gravity (=2/3R).
Keep holdfast in inactive state:
Compression stress Fc produces frictional force Fr:
Keep holdfast in inactive state:
The remarkable meaning of aforesaid equation is as follows:
(1) holdfast is extracted angle D and is determined by coefficient of friction u completely.Before holdfast rotates to and extracts angle, holdfast can not be pulled out.
(2) only have when the heavy duty of holdfast is enough to rotate holdfast and be equal to or greater than while extracting angle (=arctan0.75u), holdfast is just likely pulled out extracting angle.
(3), if the maximum load capacity of holdfast is defined as holdfast load weight and can not cause holdfast to be pulled out, holdfast load weight is enough to rotate holdfast and is equal to or greater than the maximum load capacity of extracting angle (=arctan0.75u) and should be regarded as holdfast.
(4) will keep holdfast to remain static (not being pulled out) at angle of inclination D, coefficient of friction u must be equal to or greater than (4/3) tanD.
(5), industrial, holdfast shearing strength is defined as causing holdfast to rotate load weight (or application of force of parallel wall surface) to a certain degree.Larger load weight causes holdfast to rotate largely.The load weight that therefore, can rotate holdfast is decided by holdfast shearing strength.
Fig. 8 to Figure 11 shows the various application of cantilever.The utility theory of cantilever is based on following supposition: (1) holdfast is can be not bending or the hardware of distortion.(2) cantilever is can be not bending or the hardware of distortion.(3) between holdfast and cantilever, angle is a not varied angle.Fig. 8 to Figure 11 shows that heavily loaded F causes turning moment M(=F X A) cantilever is rotated around the bottom edge of cantilever.Turning moment M causes tensile force f t to act on holdfast.Holdfast tensile force f t causes the rotation (Mr=Ft x B) of moment of resistance Mr resistance cantilever.Keep cantilever to remain static:
As shown in Fig. 8 and Fig. 9, A is much larger than B, and therefore holdfast tensile force f t is the multiple of heavily loaded F.Such cantilever is generally used for the bar tool that weighs anchor and follow closely.
As shown in Figures 10 and 11, A is much smaller than B, and therefore holdfast tensile force f t is the sub-fraction of heavily loaded F.Such cantilever is generally used for picture frame wall hook.Especially, Figure 10 represents the picture frame wall hook of traditional top-grasp and bottom-hook portion, and Figure 11 represents the picture frame wall hook of top-hook portion of the present invention and bottom-grasp.
The cantilever that shows Figure 11 as Figure 12 is in inclination angle D inactive state.Figure 13 shows that the amended cantilever of Figure 11 is in inclination angle D inactive state.The amended cantilever of Figure 11 is that the C of Figure 11 cantilever is eliminated to (being C=0).
In Figure 12: Ft=F x (H/B), wherein: H=[(B+C) x sinD]+(A x cosD)
In Figure 13: Ft=F x (H/B')=F x H/ (B+C), wherein: B'=B+C
Obviously,, when the identical load-carrying of cantilevered load, the holdfast tensile force f t of Figure 13 is the sub-fraction B/ (B+C) of the holdfast tensile force f t of Figure 12.This load capacity that represents Figure 13 cantilever is multiple (the B+C)/B of the load capacity of Figure 12 cantilever.Significantly, Figure 13 and Figure 10 provide identical load capacity and moment.Therefore,, if can cancel (Figure 11) C distance (being C=0) in picture frame wall hook of the present invention, we can improve the load capacity of picture frame wall hook of the present invention, thereby make it be equal to the struck capacity of traditional picture frame wall hook.
The front view of the 5th preferred entity of picture frame wall hook of the present invention as shown in Figure 14 A.How Figure 14 A and Figure 14 B cancel C distance (being C=0) at entity of the present invention for explanation, and therefore they not necessarily present detailed structure.In Figure 14 A, picture frame wall hook 43 is provided with inclined via-hole 44 and guides holdfast 45 to tilt to enter wall.Inclined via-hole 44 positions are on the top of picture frame wall hook 43, and its exit point 46(is the entrance that holdfast enters wall) be positioned at the inner side 47 near the bottom lock end of U-shaped hook 48.Therefore the entrance 46 that, holdfast enters wall is positioned at the inner side 47 near the bottom lock end of U-shaped hook 48.Consequently, picture frame mass loading in enter near holdfast wall entrance 46, distance C (referring to Figure 11) is therefore cancelled.
The front view of the 6th preferred entity of picture frame wall hook of the present invention as shown in Figure 14B.Picture frame wall hook 49 is provided with base plate 50, and the laterally extending body 51 tilting is integrally connected to the top of substrate 50.Laterally extending body 51 is provided with inclined via-hole 52 and guides the wall that enters that holdfast 53 tilts.The exit point 54(of inclined via-hole 52 is the entrance that holdfast enters wall) be located close to the inner side 55 of the bottom lock end of U-shaped hook 56.Consequently, picture frame mass loading is in the entrance 54 that enters wall near holdfast, and distance C (referring to Figure 11) is therefore cancelled.
Figure 15 A and Figure 15 B demonstrate L cantilever, the picture frame wall hook of representative graph 14A and Figure 14 B, and L cantilever and holdfast remain static in independent free body figure.In the free body figure of L cantilever, heavily loaded F causes turning moment M(=F X A) make L cantilever around its bottom edge rotation.Turning moment M causes holdfast tensile force f t.Holdfast tensile force f t causes the rotation (Mr=Ft xB) of moment of resistance Mr resistance cantilever.
Keep cantilever to remain static:
In holdfast free body figure, there is turning moment M(=Ft x B) be equal to the moment of resistance Mr in L cantilever free body figure.Holdfast heavy duty F(is conveyed to holdfast by cantilever) direction by the pivot of L cantilever bottom margin.Therefore, heavily loaded F does not form the revolving force of holdfast.Turning moment M causes compression stress Fc and the moment of resistance Mr(=Fc x Rc of wall to holdfast).Wall is the embedding holdfast at whole section to the compression force distribution of holdfast.In order to use single Fc to represent that total compression power is distributed in the embedding holdfast of whole section, the necessary position of Fc is at compression force distribution center of gravity (=2/3T).Keep holdfast in inactive state:
Compression stress Fc produces the frictional force Fr of holdfast.
Keep cantilever to remain static:
Aforesaid equation has following significance:
(1) in order to keep holdfast and cantilever in initial inactive state, minimized friction coefficient must be equal to or greater than (2/3) T/B.
(2) large heavy duty amounts may cause holdfast and cantilever from initial static state rotation.Holdfast and cantilever must be served as a monolithic entity rotation.The unique channel of its rotation is in rotary course, simultaneously outside mobile holdfast and the downward bottom margin that moves cantilever along wall.In fact, in the time of rotation, holdfast is in fact around fixing holdfast strong point rotation, and in fact cantilever rotates around the pivot of the cantilever bottom margin moving down.
Obviously,, if a heavily loaded amount can be rotated holdfast and cantilever simultaneously, its heavy duty amount must be rotated simultaneously and outwards be shifted and move holdfast.Comparatively speaking, this heavy duty amount is equal to and in Fig. 7, causes holdfast to rotate to holdfast extracting angle D(=arctan0.75u) heavy duty amount.
(3), if actual coefficient of friction is less than (2/3) T/B, a large heavy duty amount may start to extract holdfast before rotation at holdfast and cantilever.Obviously, borrow and increase B value, we can ensure that actual coefficient of friction will be greater than (2/3) T/B.Therefore, holdfast can not start to be pulled out before rotation at holdfast and cantilever.
Figure 16 A and Figure 16 B demonstrate the L cantilever of Figure 15 A and Figure 15 B from initial inactive state rotation D degree, and its cantilever and holdfast remain static in independent free body figure.Should be noted, the pivot O of the bottom margin of cantilever shown in Figure 16 A and Figure 16 B moves down a distance (=(B/cosD)-BcosD) from initial inactive state (Figure 15 A).
In the free body figure of L cantilever: heavily loaded F is broken down into two power F1 and F2.
F1 causes holdfast pulling force (=F1x A/B=FcosD x A/B), and F2 causes holdfast pulling force (=FsinD).
In the free body figure of holdfast: exist a turning moment M to be equal to the moment of resistance Mr in cantilever free body figure.
In addition, also there is a moment of resistance Mr(=Fc x Rc) produced by holdfast compression stress Fc.As previously discussed:
Compression stress Fc produces the frictional force Fr of holdfast.
Keep cantilever to remain static:
Aforesaid equation has following significance:
(1) holdfast pull-out angle D is independent of holdfast weight loading.But in order to pull out angle D pull-out holdfast at holdfast, load-carrying F must enough rotate holdfast and cantilever to holdfast pull-out angle D.
(2) the holdfast pull-out angle D that larger B value representation is larger.Represent that compared with large holdfast pull-out angle D holdfast rotation is not pulled out compared with large angle.The larger holdfast anglec of rotation represents larger loading capacity.Therefore, borrow and increase B value, we not only increase holdfast pull-out angle D, but also have increased loading capacity.
(3), if the dead weight of holdfast is defined as holdfast load weight and can not cause holdfast to be pulled out, holdfast load weight enough rotates holdfast and is equal to or greater than the dead weight of extracting angle D (=arctan0.75u) and should be regarded as holdfast.
(4), in order to obtain maximum loading capacity, the length of holdfast must be greater than T/cosD or 1.5u x B.
(5) in order to prevent that holdfast is drawn out before arrival pull-out angle D, coefficient of friction u must be equal to or greater than (2/3) x (T/B)/cosD.
Industrial, holdfast shearing strength is defined as causing holdfast to rotate load weight (or application of force of parallel wall surface) to a certain degree.Larger load weight represents that holdfast produces larger power stage, provides in order to produce larger empty area in wall the rotation degree that holdfast is larger.Therefore, can rotate holdfast to a certain extent the load weight of (as extracting angle D) be decided by holdfast shearing strength.Obviously, all aforesaid equations are cannot be in order to determine causing holdfast to rotate to load weight to a certain degree.
Even if we can not determine to cause holdfast to rotate to load weight to a certain degree, the ratio of the load weight of holdfast (Fig. 7) and cantilever (Figure 16 A) can be determined by method for simplifying below.
In Fig. 7, holdfast is around the central rotation of wall, and produces empty area holdfast rotation is provided.
In Figure 16 B, holdfast is a fixing holdfast strong point rotation in wall leading edge, and in wall, produces empty bulk area holdfast rotation is provided.
Through comparing:
Heavy duty F and holdfast swing D are linear direct ratios.In fact, the available angled straight lines representative of relation between heavily loaded F and holdfast swing D, the slope of its oblique line represents the shearing strength of holdfast.In holdfast rotary course, the power stage that holdfast produces can represent with the gross area under oblique line (=1/2x F x D).This is because power stage equals heavily loaded F and is multiplied by its displacement.
Wherein: F'/F=D'/D, (F'x D')/(F x D)=(F'/F)
2=2
The heavy duty amount of F' representative graph 16A causes holdfast rotation D' angle.The heavy duty amount of F representative graph 7 causes holdfast rotation D angle.
Aforementioned proportion is the power stage rotating based on holdfast completely, provides holdfast rotation in order to produce empty area in wall.In Figure 16 A, because holdfast and cantilever rotate as monolithic entity, holdfast need to produce extra power stage in order to overcome the frictional force of holdfast, forces holdfast outwards to move.In Fig. 7, holdfast can rotate simply, does not need to force holdfast outwards to move in rotary course.Obviously, in consideration Figure 16 A, holdfast need to produce under extra power stage condition, and the ratio of actual loading weight (Figure 16 A) and load weight (Fig. 7) should be much larger than 1.414.
The preferred entity of difference of above-mentioned picture frame wall hook is mainly shows scope of the present invention.They can accept to change or amendment, and this variation or amendment should be regarded as in scope of the present invention.For example, when the picture frame wall hook 23 of Fig. 3 is under light-load conditions, laterally extending body 27 and laterally extending body 28 can be revised as single laterally extending body.Another example is, the U hook in the preferred entity of above-mentioned difference, and hook body, or the shape of laterally extending body or variation, should be regarded as in scope of the present invention.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the technology contents of above-mentioned announcement to make a little change or being modified to the equivalent embodiment of equivalent variations, in every case be the content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (14)
1. a picture frame wall hook, is characterized in that it comprises:
U hook, is positioned at the top of this picture frame wall hook, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end; And
Through hole, is positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
2. picture frame wall hook as claimed in claim 1, is characterized in that, the diameter of the chimeric described holdfast of diameter of described through hole makes holdfast not borrow external force to remain on unlikely coming off in through hole, so that user's pre-assembled holdfast is in anchor portion.
3. picture frame wall hook as claimed in claim 1, is characterized in that, described through hole is inclined via-hole, and the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
4. picture frame wall hook as claimed in claim 1, is characterized in that, described through hole is inclined via-hole, and its outlet covers a thin lid, makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
5. picture frame wall hook as claimed in claim 1, is characterized in that, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
6. a picture frame wall hook, is characterized in that it comprises:
Rectangular-shaped substrate, the first hook body is integrally connected to the first vertical side edge of this substrate, and the second hook body is integrally connected to the second vertical side edge of this substrate; With a pair of holdfast, wherein:
Described the first hook body and the second hook body are identical, and horizontal location is on described substrate;
Described the first and second hook bodies respectively comprise a U hook, are positioned at the top of this hook body, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end;
Described the first and second hook bodies respectively comprise a through hole, are positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
7. picture frame wall hook as claimed in claim 6, is characterized in that, described through hole is inclined via-hole, and the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
8. picture frame wall hook as claimed in claim 6, is characterized in that, described through hole is inclined via-hole, and its outlet covers a thin lid, makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
9. picture frame wall hook as claimed in claim 6, is characterized in that, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
10. a picture frame wall hook, is characterized in that it comprises:
Rectangular-shaped substrate, the first hook body is integrally connected to the first vertical side edge of this substrate, the second hook body is integrally connected to the second vertical side edge of this substrate, a laterally extending body is integrally connected to the middle section of described substrate, a cross through hole is crossed over this laterally extending body and substrate, with a holdfast, wherein:
Described the first hook body and the second hook body are identical, and horizontal location is on described substrate;
Described the first and second hook bodies respectively comprise a U hook, are positioned at the top of this hook body, and this U hitcher has open top end for receiving this picture frame hang spring, and bottom lock end is for supporting the inner side of this hang spring at this bottom lock end;
Described the first and second hook bodies respectively comprise a through hole, are positioned at this U hook open top end below, for receiving holdfast and guiding this holdfast to enter wall.
11. picture frame wall hooks as claimed in claim 10, is characterized in that, this picture frame wall hook comprises:
Described laterally extending body, is connected to the middle section of described substrate;
Described cross through hole, crosses over this laterally extending body and substrate; And
Described holdfast, borrows through hole to cross over this laterally extending body and this substrate enters wall.
12. picture frame wall hooks as claimed in claim 10, is characterized in that, described through hole is inclined via-hole, and the diameter of the chimeric described holdfast of its diameter makes holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
13. picture frame wall hooks as claimed in claim 10, is characterized in that, described through hole is inclined via-hole, and its outlet covers a thin lid, make holdfast not borrow external force to remain on unlikely coming off in inclined via-hole.
14. picture frame wall hooks as claimed in claim 10, is characterized in that, described through hole exit position is close proximity to the inner side of described U hook bottom lock end.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/900,239 US20140346310A1 (en) | 2013-05-22 | 2013-05-22 | Picture frame hanger |
| US13900239 | 2013-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104172818A true CN104172818A (en) | 2014-12-03 |
Family
ID=51934727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310695129.4A Pending CN104172818A (en) | 2013-05-22 | 2013-12-11 | Picture frame hanger |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US20140346310A1 (en) |
| CN (1) | CN104172818A (en) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107683100A (en) * | 2015-06-30 | 2018-02-09 | 希尔曼集团股份有限公司 | Wall Anchor Assemblies |
| CA3073632C (en) | 2015-06-30 | 2022-05-17 | The Hillman Group, Inc. | Wall anchor assemblies and related wall mount systems |
| CA2985352C (en) | 2015-06-30 | 2020-05-12 | The Hillman Group, Inc. | Wall anchors |
| CA2997289A1 (en) | 2015-10-23 | 2017-04-27 | The Hillman Group, Inc. | Wall anchors and related wall mount systems |
| CA3000959A1 (en) | 2015-11-06 | 2017-05-11 | The Hillman Group, Inc. | Hook rail |
| US10390618B2 (en) | 2016-02-15 | 2019-08-27 | The Hillman Group, Inc. | Wall mountable object support system and related accessories |
| USD804941S1 (en) * | 2016-03-04 | 2017-12-12 | Enterprise Design and Innovations, LLC | Wall hanging device |
| US20180073549A1 (en) * | 2016-09-13 | 2018-03-15 | Melanie Cogburn | Wall Hook |
| US11111942B2 (en) * | 2016-07-19 | 2021-09-07 | Melanie Jo Cogburn | Wall hook and anchor nail fastening system |
| US10194761B1 (en) * | 2017-07-24 | 2019-02-05 | Ue-Ming Yang | User-friendly heavy duty dual-hooks picture frame hanger |
| WO2019156869A1 (en) * | 2018-02-06 | 2019-08-15 | Mcs Industries, Inc. | Hanging system and bracket thereof |
| USD965419S1 (en) | 2019-09-25 | 2022-10-04 | Burr Distribution, Llc | Curtain rod support assembly |
| US11857097B1 (en) * | 2018-09-25 | 2024-01-02 | Burr Distribution, Llc | Curtain rod support assembly |
| CN109497784A (en) * | 2019-01-03 | 2019-03-22 | 青岛磊鑫装饰有限公司 | A kind of easy-to-mount photo frame structure |
| USD964844S1 (en) | 2019-01-30 | 2022-09-27 | Mcs Industries, Inc. | Hanging bracket |
| USD1030329S1 (en) | 2021-01-12 | 2024-06-11 | Mcs Industries, Inc. | Hanging bracket for a frame |
| US20230142006A1 (en) * | 2021-11-09 | 2023-05-11 | Innovia Llc | Dual hook wire-snagging hanger |
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| US3482812A (en) * | 1968-04-19 | 1969-12-09 | Henry Leiser | Picture hangers |
| WO1988002230A1 (en) * | 1986-09-23 | 1988-04-07 | Fredrik Grufman | A method and device for facilitating hanging of pictures and similar objects |
| US5018697A (en) * | 1990-01-11 | 1991-05-28 | Treanor David H | Object hanger for drywall |
| US5178355A (en) * | 1991-06-03 | 1993-01-12 | Ernest Herzig | Mounting device |
| CN2255775Y (en) * | 1995-09-08 | 1997-06-11 | 陈汉奎 | Wall hook for hanging frame with ropes |
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| US2049716A (en) * | 1935-02-04 | 1936-08-04 | Alvin W Owen | Hanger |
| US3063669A (en) * | 1960-12-16 | 1962-11-13 | Star Expansion Ind Corp | Hanger |
| US3861639A (en) * | 1973-09-26 | 1975-01-21 | No Mar Products Inc | Picture hanger assembly |
| US4026510A (en) * | 1976-05-17 | 1977-05-31 | Holmes Warren B | Wall hanger |
| US5482244A (en) * | 1993-08-18 | 1996-01-09 | Hickey; Joseph F. | Hanger |
| US8297571B2 (en) * | 2010-06-14 | 2012-10-30 | Top Victory Investments Ltd. | Display hanging structure |
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2013
- 2013-05-22 US US13/900,239 patent/US20140346310A1/en not_active Abandoned
- 2013-12-11 CN CN201310695129.4A patent/CN104172818A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3482812A (en) * | 1968-04-19 | 1969-12-09 | Henry Leiser | Picture hangers |
| WO1988002230A1 (en) * | 1986-09-23 | 1988-04-07 | Fredrik Grufman | A method and device for facilitating hanging of pictures and similar objects |
| US5018697A (en) * | 1990-01-11 | 1991-05-28 | Treanor David H | Object hanger for drywall |
| US5178355A (en) * | 1991-06-03 | 1993-01-12 | Ernest Herzig | Mounting device |
| CN2255775Y (en) * | 1995-09-08 | 1997-06-11 | 陈汉奎 | Wall hook for hanging frame with ropes |
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|---|---|
| US20140346310A1 (en) | 2014-11-27 |
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Application publication date: 20141203 |