WO2006022613A2 - Clamp for holding solar collectors on roofs - Google Patents
Clamp for holding solar collectors on roofs Download PDFInfo
- Publication number
- WO2006022613A2 WO2006022613A2 PCT/US2004/023288 US2004023288W WO2006022613A2 WO 2006022613 A2 WO2006022613 A2 WO 2006022613A2 US 2004023288 W US2004023288 W US 2004023288W WO 2006022613 A2 WO2006022613 A2 WO 2006022613A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clamp
- pedestal
- wall
- header
- base
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S80/00—Details, accessories or component parts of solar heat collectors not provided for in groups F24S10/00-F24S70/00
- F24S80/30—Arrangements for connecting the fluid circuits of solar collectors with each other or with other components, e.g. pipe connections; Fluid distributing means, e.g. headers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S25/61—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules for fixing to the ground or to building structures
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24S—SOLAR HEAT COLLECTORS; SOLAR HEAT SYSTEMS
- F24S25/00—Arrangement of stationary mountings or supports for solar heat collector modules
- F24S25/60—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules
- F24S2025/6004—Fixation means, e.g. fasteners, specially adapted for supporting solar heat collector modules by clipping, e.g. by using snap connectors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/20—Solar thermal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/47—Mountings or tracking
Definitions
- This invention relates, generally, to clamps. More particularly, it relates to a clamp for holding solar collectors or similar items to a flat or sloped roof covered by shingles, tin, barrel tile, or other type of roof covering.
- a roof-mounted solar collector often includes a pair of parallel main pipes, usually called the top header and the bottom header, that are interconnected by a plurality of smaller pipes disposed at right angles to the top and bottom headers.
- the top header On a sloped roof, the top header is the header at the higher of the two elevations. Water from a swimming pool is pumped to the bottom header from which it flows into the smaller pipes where heat from the sun is absorbed before the water flows into the top header. The heated water flowing through the top header is returned to the pool. .
- a clamp known as a Z-bar is currently in use as the means for mounting a header to the roof of a house. The name is derived from a side elevational view of the clamp.
- a Z-bar has a first flat part that is secured to the roof and a second flat part that overlies the header. More particularly, the bottom stroke of a "Z" represents the first fiat part secured to the roof and the top stroke of a "Z” represents the second flat part that overlies the header. The diagonal part of the "Z" interconnects the two flat parts.
- the Z-bar clamp is acceptable to at least some extent in connection with roofs, both sloped and flat, covered by shingles, tin, or the like. It is not completely satisfactory on such roofs, however, for several reasons.
- the first flat part of a Z-bar that is secured to a roof as mentioned above is pre-drilled to accept the fastening means that secure the Z-bar to the roof.
- a pair of screw- receiving apertures are formed in said first flat part. If there is no rafter or other support beneath one or both of the apertures, the resulting fastening can be unsatisfactory.
- a pipe-joining clamp since a header is typically formed by joining together a pair of longitudinally aligned pipes, a pipe-joining clamp must be positioned where the two pipes abut one another, and the pipe-joining clamp must be attached to the Z-bar.
- the position of the pipe-joining clamp is controlled by the position of the abutting pipes and the position of the pipe-joining clamp determines the position of the Z-bar and hence of the fastening apertures. If the apertures are not aligned with a rafter or other support element below the roof, the fastening of the header will be unsatisfactory for the reason stated above.
- Z-bars are also unsatisfactory because they space the header slightly above the roof, but not by much. Thus, when a header expands under heat, there is very little room for the header to expand in the vertical or transverse direction. Similarly, the design of a Z-bar does not accommodate longitudinal expansion of a header. When the header expands or contracts due to temperature fluctuations, the fastening screws are stressed and become loose and may even pop out under the force of the expansion or contraction. This of course unacceptably leads to a roof with leaks. Moreover, the collector itself may break under the strain. The inadequate clearance between a header and roof provided by a Z-bar also leads to abrasion of the roof as the header expands and contracts.
- Z-bars are even less satisfactory on barrel tile roofs because each barrel tile presents a convexity.
- the first flat part of the Z-bar should therefore be attached to each barrel tile at the exact peak or zenith of each tile.
- the pre- drilled apertures of the Z-bar are unlikely to match the peaks of the tiles, with the result that one of fastening means can be placed at the peak of a tile, but the adjacent fastening means is unlikely to match a peak.
- the resulting clamping effect is less than optimal.
- a clamping means is needed that can be placed at any position along the length of a header, without limitation to the vicinity of the location where two pipes join to form a header.
- a clamp unlike a Z-bar, could always be secured to a rafter or other underlying support member. It could also be placed, in barrel tile applications, directly at the apex of a barrel tile in cooperation with another clamp also positioned on the apex of another barrel tile.
- a clamp is also needed that provides additional vertical clearance space between a header and a roof to prevent roof abrasion by movement of the header and to accommodate heat-related expansion and contraction of the header.
- a clamp that allows enhanced longitudinal expansion of the header is also desirable. If a clamp allows heat-related expansion and contraction, both in a vertical or transverse direction and in a longitudinal direction, then the screws that hold it down will not become stressed and will not become loose. Nor will the collector structure itself break.
- the needed clamp should be positionable at any preselected point along the extent of a header, and thus at any preselected point on the roof, thereby allowing the designer of a solar collector installation maximum flexibility.
- the novel clamp for holding a solar collector header on a flat or sloped roof covered by shingles, tin, barrel tile or the like includes a clamp base adapted to overlie the roof covering and a clamp top adapted to releasably engage the clamp base.
- the clamp base and clamp top collectively form a space between them having a size sufficient to capture and retain without gripping the solar collector header therewithin.
- the base provides ample clearance between the header and the roof covering to eliminate abrasion of the roof covering by the header as said header moves.
- the clamp base includes a plurality of feet.
- Each foot of the plurality of feet is adapted to abuttingly engage a barrel tile.
- At least one foot of the plurality of feet is positioned on the barrel tile in spaced relation from a longitudinal centerline of the barrel tile on a first side of the longitudinal centerline and at least one foot of the plurality of feet is positioned on the barrel tile in spaced relation from the longitudinal centerline on a second side thereof. Accordingly, at least two feet of the plurality of feet abuttingly engage the barrel tile on opposite sides of the longitudinal centerline. hi the environment of a shingle or tin-covered roof, the feet are not needed.
- the novel clamp nonetheless provides the advantages of being positionable at any location along the extent of the header, of spacing the header above the roof, and in allowing longitudinal and transverse expansion without placing additional stress on the fasteners that secure the clamp to the roof.
- the clamp base includes a base wall.
- a plurality of longitudinally and transversely disposed partition walls depend from the base wall.
- a plurality of chambers are formed by the partition walls.
- Each foot of the plurality of feet has a top part and a bottom part.
- Each top part is formed of a resilient, elastomeric material and is secured by a press fit into a preselected chamber of the plurality of chambers.
- Each bottom part is larger than its associated top part so that each bottom part limits the depth of insertion of each top part into its associated chamber.
- Each bottom part has an inclined bottom wall to conform to the convex shape of the barrel tile. Again, such feet are not needed in the environment of a flat shingle roof.
- At least one aperture is formed in the base wall so that at least one fastening means is adapted to extend through the aperture and engage the roof.
- a recess is formed in the base wall in the vicinity of the at least one fastening means so that the fastening means does not interfere with a header positioned between the clamp base and the clamp top.
- the clamp top includes a top part adapted to overlie the header.
- the clamp top further includes a pedestal disposed at an angle of substantially ninety degrees relative to the top part.
- the clamp base has a bottom part adapted to underlie the header. The top part and the bottom part are adapted to capture the header between them when the clamp top is received by the clamp base.
- the clamp base is adapted to releasably engage the pedestal.
- the clamp base includes a pedestal-receiving space defined by an upstanding rear wall and an upstanding forward wall.
- the upstanding rear wall is formed in three parts including a first rear wall, a second rear wall laterally spaced apart from the first rear wall, and a center locking wall disposed between the first and second rear walls.
- the first and second rear walls are constructed so that they are rigid and inflexible.
- the center locking wall is constructed so that it is flexible and resilient and has a position of repose where it is substantially coplanar with the first and second rear walls.
- a pedestal-engaging means is formed on a forward surface of the center locking wall. The pedestal-engaging means is adapted to releasably engage the pedestal when the pedestal is positioned in the pedestal-receiving space.
- the pedestal has a first part and a second part disposed in laterally spaced apart relation to one another.
- An interconnecting wall is disposed in interconnecting relation to the first part and the second part.
- the pedestal-engaging means is disposed in overlying relation to a top edge of the interconnecting wall when the pedestal is fully received within the pedestal-receiving space.
- the pedestal-engaging means has a downwardly inclined top surface and a flat, substantially horizontal bottom surface.
- the flat, substantially horizontal bottom surface overlies the top edge of the interconnecting wall when the pedestal is fully received within the pedestal-receiving space.
- a protrusion is formed on a rear surface of the interconnecting wall.
- the protrusion is flush with a bottom edge of said interconnecting wall and increases in thickness gradually so that the protrusion protrudes furthest from the rear surface of the interconnecting wall at the top edge of the interconnecting wall.
- the protrusion is adapted to slidingly engage the downwardly inclined top surface of the pedestal- engaging means and to transiently displace the center locking wall in a rearward direction until the flat, substantially horizontal bottom surface of the pedestal- engaging means clears the top edge of the interconnecting wall.
- the center locking wall has a height greater than the height of the first and second rear walls and is displaceable in a rearward direction to disengage the bottom surface of the pedestal-engaging means from the top edge of the interconnecting wall so that the pedestal and hence the clamp top part may be separated from the clamp bottom part.
- a pair of laterally spaced, upstanding alignment posts are formed on the clamp base wall between the rearward wall and the forward wall.
- a corresponding pair of tubular members are formed in the pedestal, there being a first tubular member formed in the first pedestal part and a second tubular member formed in the second pedestal part.
- An important object of this invention is to provide a clamp for holding a solar collector on a flat or sloped roof covered by shingles, tin, barrel tile, and the like.
- a more specific object is to provide a clamp that engages a header of a solar collector at any location along the extent of the header.
- Another important object is to provide a clamp that allows expansion of a header without applying additional stress to the fastening means that holds the clamp to the roof.
- Another important object is to provide a clamp, in a barrel tile environment, having feet that are contoured to fit the convex surface of a barrel tile.
- Still another object is to provide a clamp that is easy to assemble and easy to disassemble.
- Fig. 1 is an exploded perspective view of a prior art solar collector having a Z- bar clamp for securing the header to a roof;
- Fig. 2 is an exploded perspective view of a solar collector having the novel alligator clamp for securing the header to a roof;
- Fig. 3 is a perspective view of the base of the novel alligator clamp
- Fig. 4 is a bottom plan view of the novel clamp base
- Fig. 5 A is a front elevational view of the novel clamp when installed on a barrel tile
- Fig. 5B is a side elevational view of one of the novel foot members used in barrel tile applications
- Fig. 6 is an exploded perspective view depicting the base and the top of the novel alligator clamp in spaced apart relation to one another and in spaced apart relation to a barrel tile;
- Fig. 7 is a side elevational view of the center wall locking means;
- Fig. 8 is a top plan view of the novel clamp base;
- Fig. 9 is a bottom view of the novel clamp top;
- Fig. 10 is a front elevational view of the novel clamp top; and Fig. 11 is a longitudinal sectional view of said novel clamp top.
- the top panel header is denoted 12 and typically is formed by pipes 12a and 12b that are interconnected to one another by a clamping assembly. Each pipe 12a, 12b has a slightly enlarged end 13a, 13b, respectively.
- a water-tight, resilient gasket 14 is positioned in sandwiched relation between said enlarged ends 13a, 13b and said enlarged ends are clamped to one another by a clamp 16 having a top 16a and a bottom 16b.
- a bottom header having essentially the same construction as top header 12 is interconnected to said top header 12 by a plurality of pipes, collectively denoted 15.
- swimming pool water is delivered by thermo- siphoning or mechanical pump means to the unillustrated bottom header. The water is heated by the sun as it flows through pipes 15 en route to the top header and the heated water is then returned to the pool.
- Pipe-joining clamp 16 is preferably a saddle clamp of well-known construction. It includes a protrusion 16c formed in bottom part 16b. Protrusion 16c engages slot 16d formed in top part 16a. The connection between protrusion 16c and slot 16d forms a hinge that enables the diametrically opposite ends of clamp 16 to be spaced apart from one another to receive top header 12 therebetween.
- each of said opposite ends has a radially-outwardly extending part, unnumbered to avoid cluttering the drawings, that are engaged by opposite ends of latch member 18 in a well-known way.
- Each clamp part 16a and 16b has a width sufficient to receive therewithin the respective enlarged ends 13 a, 13b of abutting pipes 12a, 12b.
- latch member 18 when latch member 18 is in its operative position, a water-tight seal is formed where pipes 12a, 12b meet.
- Sled 20 slideably engages Z-bar 22 so that said sled may be positioned at any preselected location along the length of said Z-bar.
- Sled 20 is adapted to receive clamp base 16b. In this way, clamp base 16b is secured to Z-bar 22 at any preselected position along the length of said Z-bar.
- Z-bar 22 has a flat, longitudinally-extending top part 24, a flat longitudinally- extending bottom part 26, and a flat, longitudinally-extending interconnecting part 28 that is formed integrally with a leading edge 25 of top part 24 and a trailing edge 27 of bottom part 26.
- Top part 24 is placed into overlying relation to top header 12 when Z- bar 22 is in use.
- Apertures 26a, 26b are formed in bottom part 26 in longitudinally spaced apart relation to one another as depicted, and said apertures receive fastening means for securing said Z-bar to a roof.
- apertures 26a, 26b must be aligned with the respective peaks of barrel tiles where the roof is a barrel tile roof. Since the flat Z-bar does not follow the convex contour of barrel tiles, it is not a suitable means for holding down header 12 in barrel tile roof applications.
- apertures 26a, 26b may prevent placement of the fastening means in their optimal positions relative to rafters or other underlying supports.
- a solar collector secured by the present inventive clamp to a flat or sloped roof covered by shingles, tin, barrel tile, or the like is denoted as a whole by the reference numeral 10a.
- An illustrative embodiment of the present invention is denoted as a whole by the reference numeral 30.
- Clamp base 32 is adapted for releasable engagement with clamp top 34.
- base 32 includes base wall 36 from which depends a plurality of longitudinally and transversely disposed partition walls denoted 36a, 36b, respectively. Said partition walls collectively form a plurality of open-bottomed chambers, collectively denoted 36c, having partition walls 36a, 36b as their respective sidewalls and having base wall 36 as their upper wall.
- each foot member 38 has a flexible and resilient elastomeric construction and includes top part 38a that press-fittingly engages a preselected open-bottomed chamber 36c.
- a bottom part 38b is larger than said top part and cannot enter into an open-bottomed chamber.
- the bottom surface 38c of each flat bottom part 38b is angled as depicted.
- Fig. 4 and 5A said bottom surfaces collectively engage the convex surface of a barrel tile 39.
- two foot members are positioned on a first side of a longitudinal centerline 39a (Fig. 6) of said barrel tile and two foot members are positioned on a second side of said longitudinal centerline.
- Fig. 5A is a frontal view of barrel tile 39, depicting how inclined surfaces 38c of said foot members 38 conform to the convex shape of said barrel tile 39.
- apertures 37a, 37b, and 37c are formed in base wall 36 and inner tubular members 39a, 39b, and 39c respectively depend from said base wall in registration with said apertures.
- Outer tubular members 39d, 39e, and 39f are concentrically disposed with respect to each inner tubular member.
- the inner and outer tubular members have the same extent as partition walls 36a, 36b so that the respective free ends of said parts are flush with one another and collectively form a flat bottom for clamp base 32.
- base 32 further includes a pair of upstanding alignment posts 40a, 40b.
- Said alignment posts are positioned between an upstanding rear wall of clamp base 32 that is collectively formed by laterally spaced apart rigid rear walls 48a, 48b, and slightly flexible and resilient center locking member 42 that is positioned between said rigid rear walls and that has a greater height than either of them.
- upstanding center locking wall 42 has engagement member 44 formed integrally therewith.
- Engagement member 44 includes a downwardly inclined upper surface 44a and a flat lower surface 44b.
- Clamp top 34 includes pedestal 50 that is slideably and snugly received between the aforementioned base clamp rear wall, collectively defined by laterally spaced apart rigid rear walls 48a, 48b and center locking wall 42, and base clamp forward wall 52.
- pedestal 50 has a generally bifurcated construction and includes laterally spaced apart pedestal parts
- Rear interconnecting wall 54 of pedestal 50 has a slightly inclined protuberance 54a formed centrally thereof.
- top part 38a of each foot 38 is press fit into a preselected chamber 36c and the sloped bottom surface 38c of each foot is placed into overlying relation to a preselected barrel tile.
- a fastener is then introduced into each aperture 37a, 37b, and 37c and each of said fasteners extends through the lumen of inner tubular members 39a, 39b, 39c and engages the roof supporting the barrel tile, thereby firmly holding clamp base 32 to said barrel tile.
- Header 12 is then placed atop support surfaces 32a, 32b (Fig. 8) of clamp base 32, forwardly of forward wall 52 and rearwardly of upturned forward end 32c of said clamp base.
- Base wall 36 is recessed with respect to support surfaces 32a, 32b so that the unillustrated fasteners that extend through apertures 37a, 37b, and 37c do not interfere with said header.
- Pedestal 50 is then inserted between the rear wall collectively defined by rear walls 48a, 48b, and center locking wall 42, and forward wall 52 of clamp base 32.
- Posts 40a, 40b are therefore slideably received within the respective lumens of tubular members 50c, 5Od formed in said pedestal parts 50a, 50b, respectively.
- Inclined protrusion 54a of pedestal interconnecting wall 54 slidingly bears against downwardly inclined surface 44a of engagement means 44, thereby transiently forcing center locking wall 42 to displace slightly rearwardly relative to its position of repose until inclined protrusion 54a clears engagement means 44 and said engagement means snaps back into its position of repose.
- flat under surface 44b overlies the top edge of pedestal interconnecting wall 54, thereby locking clamp top 34 to clamp base 32 and sandwiching header 12 therebetween. See Fig. 11.
- Clamp top 34 is separable from clamp base 32 if a rearwardly-directed force is imparted to the uppermost free end of center locking wall 42 so that flat under surface 44b of said engagement means is not in overlying relation to said top edge of said pedestal interconnecting wall 54, thereby enabling retraction of pedestal 50 from the space between the rear and forward walls of said clamp base 32.
- the downwardly turned free end of clamp top 34 is spaced apart from the upwardly turned end of clamp base 32 when pedestal 50 is fully seated, but said spacing is substantially less than the diameter of header 12 so said header cannot escape therefrom.
- the spacing between the clamp base and the clamp top allows transverse and longitudinal expansion of the header to take place in the substantial absence of increased stress on the unillustrated fastener members.
- the header of a solar collector is firmly mounted to a barrel tile roof.
- At least two of the novel clamps 30 are employed for such purpose but more than two may be employed if the length of the header is sufficient to require more than two clamps.
- Each clamp preferably has four feet 38 that match the contour of a barrel tile so the resulting installation is stable, strong, and aesthetically pleasing.
- novel clamps may be positioned at any desired location along the extent of a header and thus at any desired location on the roof.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004800436532A CN100430634C (en) | 2004-07-21 | 2004-07-21 | Clamp for holding solar collectors on roofs |
AU2004322478A AU2004322478B2 (en) | 2004-07-21 | 2004-07-21 | Clamp for holding solar collectors on roofs |
PCT/US2004/023288 WO2006022613A2 (en) | 2004-07-21 | 2004-07-21 | Clamp for holding solar collectors on roofs |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2004/023288 WO2006022613A2 (en) | 2004-07-21 | 2004-07-21 | Clamp for holding solar collectors on roofs |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2006022613A2 true WO2006022613A2 (en) | 2006-03-02 |
WO2006022613A3 WO2006022613A3 (en) | 2006-12-28 |
Family
ID=35967939
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/023288 WO2006022613A2 (en) | 2004-07-21 | 2004-07-21 | Clamp for holding solar collectors on roofs |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN100430634C (en) |
AU (1) | AU2004322478B2 (en) |
WO (1) | WO2006022613A2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8387319B1 (en) | 2011-09-02 | 2013-03-05 | Opsun Systems Inc. | Solar panel securing assembly for sheet metal sloping roofs |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108049626A (en) * | 2017-12-21 | 2018-05-18 | 玉林市金腾建材有限公司 | A kind of scaffold collecting device for building |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887967A (en) * | 1974-08-30 | 1975-06-10 | Fafco Inc | Solar heater panel array securing apparatus |
US4353356A (en) * | 1979-07-03 | 1982-10-12 | Sealed Air Corporation | Solar collector units with mounting frame |
US5823176A (en) * | 1997-11-10 | 1998-10-20 | Harris; Don | Solar water heating panel attachment device |
US5971663A (en) * | 1997-07-10 | 1999-10-26 | Brothers; Jerry T. | Culvert collar |
US6164603A (en) * | 1997-10-16 | 2000-12-26 | Kitagawa Industries Co., Ltd | Base mounting structure |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2616568C2 (en) * | 1976-04-14 | 1984-01-05 | Hilti AG, 9494 Schaan | Pipe or cable clamp |
DE3611534A1 (en) * | 1986-04-05 | 1987-10-15 | Rasmussen Gmbh | SCREWLESS TUBE HOLDER |
CN2218186Y (en) * | 1995-01-24 | 1996-01-24 | 郑世民 | Elastic clamp for vacuum film plating on heat collecting tube |
US6311935B1 (en) * | 1999-07-07 | 2001-11-06 | Heyco Products, Inc. | Cable clamp |
-
2004
- 2004-07-21 CN CNB2004800436532A patent/CN100430634C/en not_active Expired - Fee Related
- 2004-07-21 WO PCT/US2004/023288 patent/WO2006022613A2/en active Application Filing
- 2004-07-21 AU AU2004322478A patent/AU2004322478B2/en not_active Ceased
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3887967A (en) * | 1974-08-30 | 1975-06-10 | Fafco Inc | Solar heater panel array securing apparatus |
US4353356A (en) * | 1979-07-03 | 1982-10-12 | Sealed Air Corporation | Solar collector units with mounting frame |
US5971663A (en) * | 1997-07-10 | 1999-10-26 | Brothers; Jerry T. | Culvert collar |
US6164603A (en) * | 1997-10-16 | 2000-12-26 | Kitagawa Industries Co., Ltd | Base mounting structure |
US5823176A (en) * | 1997-11-10 | 1998-10-20 | Harris; Don | Solar water heating panel attachment device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8387319B1 (en) | 2011-09-02 | 2013-03-05 | Opsun Systems Inc. | Solar panel securing assembly for sheet metal sloping roofs |
Also Published As
Publication number | Publication date |
---|---|
AU2004322478A1 (en) | 2006-03-02 |
AU2004322478B2 (en) | 2011-03-10 |
CN1997802A (en) | 2007-07-11 |
CN100430634C (en) | 2008-11-05 |
WO2006022613A3 (en) | 2006-12-28 |
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