Stand and Seam Hemmer for Metal Roof Installations

Abstract

A seam hemmer for metal roof installation comprises a head section including a planar rear base, a wider planar front base, and curvilinear side portions framing an open central portion, with cylinders fixedly attached to the side portions housing linearly movable pistons connected to the front base via couplers. A crimping mechanism operably communicates with the pistons to provide precise crimping action. A removable handle section includes a pole with an ergonomically-designed extended handle grip, auxiliary handle grips, and a control lever for operating the crimping mechanism. The apparatus enables metal roof installers to safely crimp drip edges from approximately three feet away from roof edges, utilizing pneumatic, hydraulic, or electrical power to reduce physical strain while producing consistently crimped connections capable of withstanding sustained winds up to 165 miles per hour when properly installed.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] Ther present invention claims the benefit of U.S. Provisional Application No. 63 / 780201, filed on Mar. 29, 2025 and incorporated by reference as if fully rewritten herein.BACKGROUND OF THE INVENTION1. Field of the Invention

[0002] The present invention relates generally to the field of metal roofing installation tools, and more particularly to apparatus for crimping and finishing drip edges on metal roof panels.2. Description of the Related Art

[0003] Metal roofing systems utilizing standard seam metal panels have gained widespread commercial acceptance due to their durability, longevity, and weather resistance properties. These systems typically require installation of metal panels that must be properly aligned, secured, and finished at roof edges to ensure structural integrity, weather resistance, and aesthetic appeal.

[0004] A critical aspect of metal roof installation involves the proper finishing of drip edges—the seams created when a roof panel is placed over a roof framing element at the leading edge of the roof. This edge must be crimped or hemmed to secure the panel to the framing element, prevent water infiltration, resist wind uplift, and provide a clean, professional finish.

[0005] Conventional methods for finishing drip edges on metal roofs present several significant limitations and safety concerns. Traditional hand-operated crimping tools require workers to position themselves at the roof's edge, creating a substantial fall hazard. According to industry safety data, falls from heights represent the leading cause of serious injury and fatality in roofing operations, with edge work being particularly hazardous.

[0006] Moreover, conventional manual crimping tools demand considerable physical strength and dexterity to operate effectively, leading to worker fatigue, repetitive stress injuries, and inconsistent crimping quality. The physical exertion required often results in compromised precision, particularly as fatigue increases throughout a workday.

[0007] The technical problem further extends to the finished product quality. Manual crimping methods frequently yield inconsistent results, with variations in crimp depth, alignment, and overall security. Such inconsistencies can compromise the roof's wind resistance capabilities, potentially leading to failures during severe weather events.

[0008] Previous attempts to address these issues have included motorized crimping devices designed for 90-degree applications, general roof seaming apparatus for working across the entire roof surface, and manual crimping tools with minor ergonomic improvements. However, these prior art solutions have not adequately addressed the combined challenges of operator safety, physical strain reduction, and consistent drip edge finishing quality.

[0009] For example, U.S. Pat. No. 9,925,580 (Rider) discloses a motorized crimper apparatus designed for 90-degree crimps but does not address the safety concerns related to working at roof edges. U.S. Pat. No. 6,115,899 (Rider) describes a roof seaming apparatus focused on general roof surface seaming rather than the specific requirements of drip edge finishing. U.S. Patent Application No. 20210293024 (Rider) presents a manual crimping device that, while versatile, still requires significant physical exertion and edge-proximate positioning.

[0010] Accordingly, there exists an unmet need in the art for a specialized tool that enables metal roof installers to perform drip edge crimping operations from a safer distance from roof edges, reduces physical strain through powered operation, and consistently produces high-quality crimped finishes capable of meeting stringent wind resistance specifications.SUMMARY OF THE INVENTION

[0011] It is thus a primary object of the present invention to provide a powered tool that enables metal roof installers to safely and effectively crimp drip edges from a distance, thereby reducing fall risks while ensuring consistent, high-quality connections between roof panels and framing elements.

[0012] It is a feature of the present invention to provide a specialized crimping tool for metal roof installations, specifically addressing improvements in drip edge finishing operations that enhance worker safety, reduce physical strain, and produce superior structural connections between roof panels and framing elements.

[0013] The present invention provides a novel approach to metal roof installation, specifically addressing the challenges associated with finishing drip edges on standard seam metal panel roof systems. This invention provides a significant advancement in roofing technology by enabling installers to perform crimping operations at a safer distance from roof edges while maintaining operational efficiency and structural integrity. The device comprises a head section and a removable handle section. The head section includes a planar rear base with a handle section receiver, a wider planar front base, and curvilinear side portions that frame an open central area. The crimping mechanism is powered through pneumatic, hydraulic, or electrical means, featuring cylinders fixedly attached to the side portions with linearly movable pistons that connect to the front plate via couplers. This configuration enables precise and consistent crimping of roof leading edges.

[0014] A key innovation of this device is its ability to maintain worker safety by allowing operation approximately three feet away from the roof edge. The handle section includes a pole with an ergonomically designed extended handle grip, auxiliary handle grips for secondary manipulation points, and a control lever that operates the crimping mechanism. The overall dimensions are approximately three feet in length, fourteen inches in width at the base, and thirteen inches in height.

[0015] The crimping mechanism extends approximately two inches, providing sufficient displacement to create a secure crimp between the mechanism and the front plate surface. This crimping action effectively secures the roof panel to the roof framing element, creating a finished edge capable of withstanding sustained winds up to 165 miles per hour.

[0016] It is an advantage of the present invention to provide a safe means for crimping the roof leading edge by allowing operators to maintain a working distance of approximately three feet from the roof's edge, thereby substantially reducing fall hazards during metal roof installations.

[0017] It is another advantage of the present invention to reduce physical strain and worker fatigue through a powered crimping mechanism that utilizes pneumatic, hydraulic, or electrical power to generate sufficient force for the crimping process.

[0018] It is another advantage of the present invention to create consistent, high-quality crimped connections capable of withstanding sustained winds of up to one hundred sixty-five miles per hour when properly installed.

[0019] It is another advantage of the present invention to improve operational efficiency during metal roof installations by reducing the time and effort required to complete drip edge finishing operations.

[0020] It is another advantage of the present invention to provide ergonomic design features including extended handle grips and auxiliary handle grips that enhance operator control and comfort during extended use.

[0021] It is another advantage of the present invention to enable precise control of the crimping operation through an easily accessible control lever that regulates the powered crimping mechanism.

[0022] It is another advantage of the present invention to offer a tool with adaptable power options, allowing operation via pneumatic, hydraulic, or electrical power sources to accommodate varying jobsite conditions and operator preferences.

[0023] It is another advantage of the present invention to ensure consistent crimping depth through a regulated two-inch extension of the crimping mechanism, thereby eliminating variations in finished quality often encountered with manual methods.

[0024] Further features of the invention will become apparent in the course of the following description.BRIEF DESCRIPTION OF DRAWINGS

[0025] The advantages and features of the present invention will become better understood with reference to the following more detailed description and claims taken in conjunction with the accompanying drawings, in which like elements are identified with like symbols, and in which:

[0026] FIG. 1 is a top front left isometric view of a seam hemmer 10, according to the preferred embodiment of the present invention;

[0027] FIG. 2 is a bottom rear left isometric view of the seam hemmer 10, shown in a utilized state, according to the preferred embodiment of the present invention; and,

[0028] FIG. 3 is an environmental view rear of the seam hemmer 10, shown in a utilized state on a roof of a structure, according to the preferred embodiment of the present invention.DETAILED DESCRIPTION OF THE INVENTION

[0029] The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures. It should be understood that the legal scope of the description is defined by the words of the claims set forth at the end of this patent and that the detailed description is to be construed as exemplary only and does not describe every possible embodiment since describing every possible embodiment would be impractical, if not impossible. Numerous alternative embodiments could be implemented, using either current technology or technology developed after the filing date of this patent, which would still fall within the scope of the claims.

[0030] It should also be understood that, unless a term is expressly defined in this patent there is no intent to limit the meaning of that term, either expressly or by implication, beyond its plain or ordinary meaning, and such term should not be interpreted to be limited in scope based on any statement made in any section of this patent (other than the language of the claims). To the extent that any term recited in the claims at the end of this patent is referred to in this patent in a manner consistent with a single meaning, that is done for sake of clarity only so as to not confuse the reader, and it is not intended that such claim term by limited, by implication or otherwise, to that single meaning. Finally, unless a claim element is defined by reciting the word “means” and a function without the recital of any structure, it is not intended that the scope of any claim element be interpreted based on the application of 35 U.S.C. § 112(f).

[0031] The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures.1. Detailed Description of the Figures

[0032] Referring now to the drawings, wherein like reference numerals indicate the same parts throughout the several views, a seam hemmer, generally noted as 10, is provided according to the preferred embodiment of the present invention. The seam hemmer 10 is suited for providing a safer and more efficient way to effect a crimping process to a roof leading edge 52 of a roof 51 of a structure 50. The roof leading edge 52 is a seam created when a roof panel is placed on a roof framing element, which may also be known as a drip edge. The seam hemmer 10 travels along the roof leading edge 52 and crimps the roof panel to the roof framing element, thereby providing a cleaner finish. The seam hemmer 10 includes a crimping mechanism 25 configured to be in operational communication with pneumatic, hydraulic, or electrical power as desired by a user in order to provide enhanced functionality as well as a sufficient force so as to greatly lessen any stress on the user when on the roof 51.

[0033] Referring now more closely to FIGS. 1 and 2, front and rear isometric views of the seam hemmer 10, which includes a head section 15 and a handle section 30 removably attached to the head section 15. The head section 15 comprises the crimping mechanism 25 that contacts the roof 51 to provide the crimping process to the roof leading edge 52 and is capable of being operated thereon by a user. The handle section 30 includes a control lever 34 to control the crimping mechanism 25 and is ergonomically designed to allow the user to comfortably and efficiently manipulate the seam hemmer 10. The seam hemmer 10 in an exemplary embodiment may be three feet (3 ft.) in length, fourteen inches (14 in.) in width at the base of the head section 15, and thirteen inches (13 in.) in height to the top of the handle section 30.

[0034] The head section 15 may mainly comprise steel angle and steel plate elements as a material of construction. A protective finish is envisioned to be on any exposed surfaces, particularly as the seam hemmer 10 will be operated outside in the elements. A planar rear base 16 a includes a handle section receiver 17 that may removably retain a bottom portion of the handle section 30. A planar front base 18 is wider than the rear base 16. A pair of side portions 19, generally identical, are curvilinear in shape, each having a rear end affixed or otherwise attached to sides of the rear base 16 and front ends each affixed or otherwise attached to the front base 18. An open central portion is framed by the rear base 16, front base 18, and side portions 19. Each of a pair of cylinders 20 is fixedly attached to a top of a respective side portion 19. A piston 21 is operably controlled by a power supply and can be linearly movable within the cylinder 20. Other features located on the top of the side portions 19 may include features and functionality for the crimping mechanism 25, such as reservoirs, conduit, electrical wiring, etc.

[0035] Attached to the terminal end of each piston 21 is a coupler 22. Each coupler 22 is attached to or otherwise affixed to the top of the front plate 18 in a balanced and symmetrical position. The crimping mechanism 25 may be provided as a pair of coiled features, each in operable communication with the pistons 21 and couplers 22 such that movement of the pistons 21 translates to movement of the crimping mechanism 25. The crimping mechanism 25 is intended to extend up to two inches (2 in.) to provide a precise and consistent crimping process for the roof leading edge 52 between the crimping mechanism 25 and the top surface of the front plate 18. The cylinder 20 and piston 21 may comprise either a pneumatic, an electric, or a hydraulic mechanism to generate the crimping process, which significantly reduces any physical effort that may be required.

[0036] The handle section 30 further comprises a pole 31, a pair of auxiliary handle grips 32, and an extended handle grip 33, and a control lever 34. The pole 31 has a bottom end that is configured to be removably attached to the handle section receiver 17 of the head section 15. The orientation of the handle section receiver 17 is such that the pole 31 can be perpendicularly situated therewithin and at a rearward slope The top end of the pole 31 transitions to the extended handle grip 32. The extended handle grip 33 may be an ergonomically-designed feature that has a curvilinear section that extends rearwardly relative to the pole 31. A pair of auxiliary handle grips 32 may be attached to the pole 31 and extends perpendicularly away therefrom to provide a secondary means for gripping the seam hemmer 10. A control lever 34 is in operable communication with the crimping mechanism 25 to generate the crimping process as desired. The control lever 34 may be attached to any portion of the pole 31 or extended handle grip 33 to provide a convenient location for the user to utilize.

[0037] Referring to FIG. 3, an environmental view of the seam hemmer 10 is depicted herein in an exemplary method of use on a roof 51 of a structure 50. The seam hemmer 10 is positioned at the roof leading edge 52, where a roof panel is supported on a roof frame member and positioned over a seam created therebetween. The seam hemmer 10 is particularly suited to provide the crimping process, which can crimp and hem the aforementioned seam. Prior to use, the user should wear proper and appropriate safety gear when operating the seam hemmer 10, should inspect the seam hemmer 10, and should prepare the structure 50, roof 51, and roof leading edge 52 so that the seam hemmer 10 can be manipulated and operated without any obstacles. The seam hemmer 10 should be properly secured to the roof 51 and positioned such that the user is approximately three feet (3 ft.) away from the roof leading edge 52. The stroke length of the piston 21 may need to be adjusted due to the size of the roof leading edge 52 (i.e., drip edge and roof panel dimensions). Once power is supplied to the seam hemmer 10, the control lever 34 can be manipulated to control the crimping mechanism 25 to provide the crimping process to the roof leading edge 52. The user can provide a steady and constant force to the control lever 34 and in guiding the seam hemmer 10 along the roof leading edge 52 to complete the crimping process as desired. When properly used, the seam hemmer 10 may be capable of providing a seam to the roof leading edge 52 that can withstand sustained winds of one hundred sixty-five miles per hour (165 mph).2. Operation of the Preferred Embodiment

[0038] In operation, the seam hemmer is utilized through a specific sequence of steps to efficiently and safely complete metal roof drip edge crimping operations. Initially, the operator positions the seam hemmer at the roof leading edge where the metal roof panel interfaces with the roof framing element. The head section is oriented such that the front base aligns with the drip edge to be crimped.

[0039] Prior to activating the seam hemmer, the operator should ensure proper personal protective equipment is worn and that the equipment has been thoroughly inspected for operational integrity. The roof surface should be prepared and cleared of any potential obstructions that might impede the smooth operation of the device.

[0040] The seam hemmer is then secured to the roof surface with the head section positioned at the drip edge. The operator maintains a position approximately three feet from the roof edge, as facilitated by the dimensional configuration of the device. This distance provides a significant safety advantage by minimizing fall hazards while maintaining operational effectiveness.

[0041] Power is supplied to the seam hemmer through the selected means—pneumatic, electrical, or hydraulic—as appropriate for the specific installation environment. The stroke length of the piston may be adjusted based on the specific dimensions of the drip edge and roof panel being worked upon to ensure optimal crimping performance.

[0042] The operator engages the crimping mechanism by manipulating the control lever located on the handle section. This action causes the pistons to extend linearly within the cylinders, translating motion through the couplers to the crimping mechanism. As the crimping mechanism extends toward the front plate, it exerts controlled pressure on the metal roof panel, creating a precise crimp that secures the panel to the framing element.

[0043] While maintaining activation of the control lever, the operator guides the seam hemmer along the roof leading edge in a smooth, continuous motion. This progressive movement allows the crimping mechanism to systematically process the entire length of the drip edge. The operator applies consistent pressure throughout this operation to ensure uniformity in the crimping process.

[0044] Upon completion of the crimping operation, the control lever is released, causing the crimping mechanism to retract. The seam hemmer may then be repositioned for additional crimping operations or removed from the roof surface. The finished crimp provides a secure connection between the roof panel and framing element capable of withstanding sustained winds of up to one hundred sixty-five miles per hour when properly executed.

[0045] The foregoing descriptions of specific embodiments of the present invention are presented for purposes of illustration and description. The Title, Background, Summary, Brief Description of the Drawings and Abstract of the disclosure are hereby incorporated into the disclosure and are provided as illustrative examples of the disclosure, not as restrictive descriptions. It is submitted with the understanding that they will not be used to limit the scope or meaning of the claims. In addition, in the Detailed Description, it can be seen that the description provides illustrative examples and the various features are grouped together in various embodiments for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed subject matter requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive subject matter lies in less than all features of a single disclosed configuration or operation. The following claims are hereby incorporated into the Detailed Description, with each claim standing on its own as a separately claimed subject matter.

[0046] The claims are not intended to be limited to the aspects described herein, but is to be accorded the full scope consistent with the language claims and to encompass all legal equivalents. Notwithstanding, none of the claims are intended to embrace subject matter that fails to satisfy the requirement of 35 U.S.C. § 101, 102, or 103, nor should they be interpreted in such a way. Any unintended embracement of such subject matter is hereby disclaimed. They are not intended to be exhaustive nor to limit the invention to precise forms disclosed and, obviously, many modifications and variations are possible in light of the above teaching. The embodiments are chosen and described in order to best explain principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. It is intended that a scope of the invention be defined broadly by the Drawings and Specification appended hereto and to their equivalents. Therefore, the scope of the invention is in no way to be limited only by any adverse inference under the rulings of Warner-Jenkinson Company, v. Hilton Davis Chemical, 520 US 17 (1997) or Festo Corp. v. Shoketsu Kinzoku Kogyo Kabushiki Co., 535 U.S. 722 (2002), or other similar caselaw or subsequent precedent should not be made if any future claims are added or amended subsequent to this Provisional Patent Application.

Examples

Embodiment Construction

[0038]In operation, the seam hemmer is utilized through a specific sequence of steps to efficiently and safely complete metal roof drip edge crimping operations. Initially, the operator positions the seam hemmer at the roof leading edge where the metal roof panel interfaces with the roof framing element. The head section is oriented such that the front base aligns with the drip edge to be crimped.

[0039]Prior to activating the seam hemmer, the operator should ensure proper personal protective equipment is worn and that the equipment has been thoroughly inspected for operational integrity. The roof surface should be prepared and cleared of any potential obstructions that might impede the smooth operation of the device.

[0040]The seam hemmer is then secured to the roof surface with the head section positioned at the drip edge. The operator maintains a position approximately three feet from the roof edge, as facilitated by the dimensional configuration of the device. This distance provid...

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] Ther present invention claims the benefit of U.S. Provisional Application No. 63 / 780201, filed on Mar. 29, 2025 and incorporated by reference as if fully rewritten herein.BACKGROUND OF THE INVENTION1. Field of the Invention

[0002] The present invention relates generally to the field of metal roofing installation tools, and more particularly to apparatus for crimping and finishing drip edges on metal roof panels.2. Description of the Related Art

[0003] Metal roofing systems utilizing standard seam metal panels have gained widespread commercial acceptance due to their durability, longevity, and weather resistance properties. These systems typically require installation of metal panels that must be properly aligned, secured, and finished at roof edges to ensure structural integrity, weather resistance, and aesthetic appeal.

[0004] A critical aspect of metal roof installation involves the proper finishing of drip edges—the seams created when a roof panel is placed over a roof framing element at the leading edge of the roof. This edge must be crimped or hemmed to secure the panel to the framing element, prevent water infiltration, resist wind uplift, and provide a clean, professional finish.

[0005] Conventional methods for finishing drip edges on metal roofs present several significant limitations and safety concerns. Traditional hand-operated crimping tools require workers to position themselves at the roof's edge, creating a substantial fall hazard. According to industry safety data, falls from heights represent the leading cause of serious injury and fatality in roofing operations, with edge work being particularly hazardous.

[0006] Moreover, conventional manual crimping tools demand considerable physical strength and dexterity to operate effectively, leading to worker fatigue, repetitive stress injuries, and inconsistent crimping quality. The physical exertion required often results in compromised precision, particularly as fatigue increases throughout a workday.

[0007] The technical problem further extends to the finished product quality. Manual crimping methods frequently yield inconsistent results, with variations in crimp depth, alignment, and overall security. Such inconsistencies can compromise the roof's wind resistance capabilities, potentially leading to failures during severe weather events.

[0008] Previous attempts to address these issues have included motorized crimping devices designed for 90-degree applications, general roof seaming apparatus for working across the entire roof surface, and manual crimping tools with minor ergonomic improvements. However, these prior art solutions have not adequately addressed the combined challenges of operator safety, physical strain reduction, and consistent drip edge finishing quality.

[0009] For example, U.S. Pat. No. 9,925,580 (Rider) discloses a motorized crimper apparatus designed for 90-degree crimps but does not address the safety concerns related to working at roof edges. U.S. Pat. No. 6,115,899 (Rider) describes a roof seaming apparatus focused on general roof surface seaming rather than the specific requirements of drip edge finishing. U.S. Patent Application No. 20210293024 (Rider) presents a manual crimping device that, while versatile, still requires significant physical exertion and edge-proximate positioning.

[0010] Accordingly, there exists an unmet need in the art for a specialized tool that enables metal roof installers to perform drip edge crimping operations from a safer distance from roof edges, reduces physical strain through powered operation, and consistently produces high-quality crimped finishes capable of meeting stringent wind resistance specifications.SUMMARY OF THE INVENTION

[0011] It is thus a primary object of the present invention to provide a powered tool that enables metal roof installers to safely and effectively crimp drip edges from a distance, thereby reducing fall risks while ensuring consistent, high-quality connections between roof panels and framing elements.

[0012] It is a feature of the present invention to provide a specialized crimping tool for metal roof installations, specifically addressing improvements in drip edge finishing operations that enhance worker safety, reduce physical strain, and produce superior structural connections between roof panels and framing elements.

[0013] The present invention provides a novel approach to metal roof installation, specifically addressing the challenges associated with finishing drip edges on standard seam metal panel roof systems. This invention provides a significant advancement in roofing technology by enabling installers to perform crimping operations at a safer distance from roof edges while maintaining operational efficiency and structural integrity. The device comprises a head section and a removable handle section. The head section includes a planar rear base with a handle section receiver, a wider planar front base, and curvilinear side portions that frame an open central area. The crimping mechanism is powered through pneumatic, hydraulic, or electrical means, featuring cylinders fixedly attached to the side portions with linearly movable pistons that connect to the front plate via couplers. This configuration enables precise and consistent crimping of roof leading edges.

[0014] A key innovation of this device is its ability to maintain worker safety by allowing operation approximately three feet away from the roof edge. The handle section includes a pole with an ergonomically designed extended handle grip, auxiliary handle grips for secondary manipulation points, and a control lever that operates the crimping mechanism. The overall dimensions are approximately three feet in length, fourteen inches in width at the base, and thirteen inches in height.

[0015] The crimping mechanism extends approximately two inches, providing sufficient displacement to create a secure crimp between the mechanism and the front plate surface. This crimping action effectively secures the roof panel to the roof framing element, creating a finished edge capable of withstanding sustained winds up to 165 miles per hour.

[0016] It is an advantage of the present invention to provide a safe means for crimping the roof leading edge by allowing operators to maintain a working distance of approximately three feet from the roof's edge, thereby substantially reducing fall hazards during metal roof installations.

[0017] It is another advantage of the present invention to reduce physical strain and worker fatigue through a powered crimping mechanism that utilizes pneumatic, hydraulic, or electrical power to generate sufficient force for the crimping process.

[0018] It is another advantage of the present invention to create consistent, high-quality crimped connections capable of withstanding sustained winds of up to one hundred sixty-five miles per hour when properly installed.

[0019] It is another advantage of the present invention to improve operational efficiency during metal roof installations by reducing the time and effort required to complete drip edge finishing operations.

[0020] It is another advantage of the present invention to provide ergonomic design features including extended handle grips and auxiliary handle grips that enhance operator control and comfort during extended use.

[0021] It is another advantage of the present invention to enable precise control of the crimping operation through an easily accessible control lever that regulates the powered crimping mechanism.

[0022] It is another advantage of the present invention to offer a tool with adaptable power options, allowing operation via pneumatic, hydraulic, or electrical power sources to accommodate varying jobsite conditions and operator preferences.

[0023] It is another advantage of the present invention to ensure consistent crimping depth through a regulated two-inch extension of the crimping mechanism, thereby eliminating variations in finished quality often encountered with manual methods.

[0024] Further features of the invention will become apparent in the course of the following description.BRIEF DESCRIPTION OF DRAWINGS

[0025] The advantages and features of the present invention will become better understood with reference to the following more detailed description and claims taken in conjunction with the accompanying drawings, in which like elements are identified with like symbols, and in which:

[0026] FIG. 1 is a top front left isometric view of a seam hemmer 10, according to the preferred embodiment of the present invention;

[0027] FIG. 2 is a bottom rear left isometric view of the seam hemmer 10, shown in a utilized state, according to the preferred embodiment of the present invention; and,

[0028] FIG. 3 is an environmental view rear of the seam hemmer 10, shown in a utilized state on a roof of a structure, according to the preferred embodiment of the present invention.DETAILED DESCRIPTION OF THE INVENTION

[0029] The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures. It should be understood that the legal scope of the description is defined by the words of the claims set forth at the end of this patent and that the detailed description is to be construed as exemplary only and does not describe every possible embodiment since describing every possible embodiment would be impractical, if not impossible. Numerous alternative embodiments could be implemented, using either current technology or technology developed after the filing date of this patent, which would still fall within the scope of the claims.

[0030] It should also be understood that, unless a term is expressly defined in this patent there is no intent to limit the meaning of that term, either expressly or by implication, beyond its plain or ordinary meaning, and such term should not be interpreted to be limited in scope based on any statement made in any section of this patent (other than the language of the claims). To the extent that any term recited in the claims at the end of this patent is referred to in this patent in a manner consistent with a single meaning, that is done for sake of clarity only so as to not confuse the reader, and it is not intended that such claim term by limited, by implication or otherwise, to that single meaning. Finally, unless a claim element is defined by reciting the word “means” and a function without the recital of any structure, it is not intended that the scope of any claim element be interpreted based on the application of 35 U.S.C. § 112(f).

[0031] The best mode for carrying out the invention is presented in terms of its preferred embodiment, herein depicted within the Figures.1. Detailed Description of the Figures

[0032] Referring now to the drawings, wherein like reference numerals indicate the same parts throughout the several views, a seam hemmer, generally noted as 10, is provided according to the preferred embodiment of the present invention. The seam hemmer 10 is suited for providing a safer and more efficient way to effect a crimping process to a roof leading edge 52 of a roof 51 of a structure 50. The roof leading edge 52 is a seam created when a roof panel is placed on a roof framing element, which may also be known as a drip edge. The seam hemmer 10 travels along the roof leading edge 52 and crimps the roof panel to the roof framing element, thereby providing a cleaner finish. The seam hemmer 10 includes a crimping mechanism 25 configured to be in operational communication with pneumatic, hydraulic, or electrical power as desired by a user in order to provide enhanced functionality as well as a sufficient force so as to greatly lessen any stress on the user when on the roof 51.

[0033] Referring now more closely to FIGS. 1 and 2, front and rear isometric views of the seam hemmer 10, which includes a head section 15 and a handle section 30 removably attached to the head section 15. The head section 15 comprises the crimping mechanism 25 that contacts the roof 51 to provide the crimping process to the roof leading edge 52 and is capable of being operated thereon by a user. The handle section 30 includes a control lever 34 to control the crimping mechanism 25 and is ergonomically designed to allow the user to comfortably and efficiently manipulate the seam hemmer 10. The seam hemmer 10 in an exemplary embodiment may be three feet (3 ft.) in length, fourteen inches (14 in.) in width at the base of the head section 15, and thirteen inches (13 in.) in height to the top of the handle section 30.

[0034] The head section 15 may mainly comprise steel angle and steel plate elements as a material of construction. A protective finish is envisioned to be on any exposed surfaces, particularly as the seam hemmer 10 will be operated outside in the elements. A planar rear base 16 a includes a handle section receiver 17 that may removably retain a bottom portion of the handle section 30. A planar front base 18 is wider than the rear base 16. A pair of side portions 19, generally identical, are curvilinear in shape, each having a rear end affixed or otherwise attached to sides of the rear base 16 and front ends each affixed or otherwise attached to the front base 18. An open central portion is framed by the rear base 16, front base 18, and side portions 19. Each of a pair of cylinders 20 is fixedly attached to a top of a respective side portion 19. A piston 21 is operably controlled by a power supply and can be linearly movable within the cylinder 20. Other features located on the top of the side portions 19 may include features and functionality for the crimping mechanism 25, such as reservoirs, conduit, electrical wiring, etc.

[0035] Attached to the terminal end of each piston 21 is a coupler 22. Each coupler 22 is attached to or otherwise affixed to the top of the front plate 18 in a balanced and symmetrical position. The crimping mechanism 25 may be provided as a pair of coiled features, each in operable communication with the pistons 21 and couplers 22 such that movement of the pistons 21 translates to movement of the crimping mechanism 25. The crimping mechanism 25 is intended to extend up to two inches (2 in.) to provide a precise and consistent crimping process for the roof leading edge 52 between the crimping mechanism 25 and the top surface of the front plate 18. The cylinder 20 and piston 21 may comprise either a pneumatic, an electric, or a hydraulic mechanism to generate the crimping process, which significantly reduces any physical effort that may be required.

[0036] The handle section 30 further comprises a pole 31, a pair of auxiliary handle grips 32, and an extended handle grip 33, and a control lever 34. The pole 31 has a bottom end that is configured to be removably attached to the handle section receiver 17 of the head section 15. The orientation of the handle section receiver 17 is such that the pole 31 can be perpendicularly situated therewithin and at a rearward slope The top end of the pole 31 transitions to the extended handle grip 32. The extended handle grip 33 may be an ergonomically-designed feature that has a curvilinear section that extends rearwardly relative to the pole 31. A pair of auxiliary handle grips 32 may be attached to the pole 31 and extends perpendicularly away therefrom to provide a secondary means for gripping the seam hemmer 10. A control lever 34 is in operable communication with the crimping mechanism 25 to generate the crimping process as desired. The control lever 34 may be attached to any portion of the pole 31 or extended handle grip 33 to provide a convenient location for the user to utilize.

[0037] Referring to FIG. 3, an environmental view of the seam hemmer 10 is depicted herein in an exemplary method of use on a roof 51 of a structure 50. The seam hemmer 10 is positioned at the roof leading edge 52, where a roof panel is supported on a roof frame member and positioned over a seam created therebetween. The seam hemmer 10 is particularly suited to provide the crimping process, which can crimp and hem the aforementioned seam. Prior to use, the user should wear proper and appropriate safety gear when operating the seam hemmer 10, should inspect the seam hemmer 10, and should prepare the structure 50, roof 51, and roof leading edge 52 so that the seam hemmer 10 can be manipulated and operated without any obstacles. The seam hemmer 10 should be properly secured to the roof 51 and positioned such that the user is approximately three feet (3 ft.) away from the roof leading edge 52. The stroke length of the piston 21 may need to be adjusted due to the size of the roof leading edge 52 (i.e., drip edge and roof panel dimensions). Once power is supplied to the seam hemmer 10, the control lever 34 can be manipulated to control the crimping mechanism 25 to provide the crimping process to the roof leading edge 52. The user can provide a steady and constant force to the control lever 34 and in guiding the seam hemmer 10 along the roof leading edge 52 to complete the crimping process as desired. When properly used, the seam hemmer 10 may be capable of providing a seam to the roof leading edge 52 that can withstand sustained winds of one hundred sixty-five miles per hour (165 mph).2. Operation of the Preferred Embodiment

[0038] In operation, the seam hemmer is utilized through a specific sequence of steps to efficiently and safely complete metal roof drip edge crimping operations. Initially, the operator positions the seam hemmer at the roof leading edge where the metal roof panel interfaces with the roof framing element. The head section is oriented such that the front base aligns with the drip edge to be crimped.

[0039] Prior to activating the seam hemmer, the operator should ensure proper personal protective equipment is worn and that the equipment has been thoroughly inspected for operational integrity. The roof surface should be prepared and cleared of any potential obstructions that might impede the smooth operation of the device.

[0040] The seam hemmer is then secured to the roof surface with the head section positioned at the drip edge. The operator maintains a position approximately three feet from the roof edge, as facilitated by the dimensional configuration of the device. This distance provides a significant safety advantage by minimizing fall hazards while maintaining operational effectiveness.

[0041] Power is supplied to the seam hemmer through the selected means—pneumatic, electrical, or hydraulic—as appropriate for the specific installation environment. The stroke length of the piston may be adjusted based on the specific dimensions of the drip edge and roof panel being worked upon to ensure optimal crimping performance.

[0042] The operator engages the crimping mechanism by manipulating the control lever located on the handle section. This action causes the pistons to extend linearly within the cylinders, translating motion through the couplers to the crimping mechanism. As the crimping mechanism extends toward the front plate, it exerts controlled pressure on the metal roof panel, creating a precise crimp that secures the panel to the framing element.

[0043] While maintaining activation of the control lever, the operator guides the seam hemmer along the roof leading edge in a smooth, continuous motion. This progressive movement allows the crimping mechanism to systematically process the entire length of the drip edge. The operator applies consistent pressure throughout this operation to ensure uniformity in the crimping process.

[0044] Upon completion of the crimping operation, the control lever is released, causing the crimping mechanism to retract. The seam hemmer may then be repositioned for additional crimping operations or removed from the roof surface. The finished crimp provides a secure connection between the roof panel and framing element capable of withstanding sustained winds of up to one hundred sixty-five miles per hour when properly executed.

[0045] The foregoing descriptions of specific embodiments of the present invention are presented for purposes of illustration and description. The Title, Background, Summary, Brief Description of the Drawings and Abstract of the disclosure are hereby incorporated into the disclosure and are provided as illustrative examples of the disclosure, not as restrictive descriptions. It is submitted with the understanding that they will not be used to limit the scope or meaning of the claims. In addition, in the Detailed Description, it can be seen that the description provides illustrative examples and the various features are grouped together in various embodiments for the purpose of streamlining the disclosure. This method of disclosure is not to be interpreted as reflecting an intention that the claimed subject matter requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive subject matter lies in less than all features of a single disclosed configuration or operation. The following claims are hereby incorporated into the Detailed Description, with each claim standing on its own as a separately claimed subject matter.

[0046] The claims are not intended to be limited to the aspects described herein, but is to be accorded the full scope consistent with the language claims and to encompass all legal equivalents. Notwithstanding, none of the claims are intended to embrace subject matter that fails to satisfy the requirement of 35 U.S.C. § 101, 102, or 103, nor should they be interpreted in such a way. Any unintended embracement of such subject matter is hereby disclaimed. They are not intended to be exhaustive nor to limit the invention to precise forms disclosed and, obviously, many modifications and variations are possible in light of the above teaching. The embodiments are chosen and described in order to best explain principles of the invention and its practical application, to thereby enable others skilled in the art to best utilize the invention and its various embodiments with various modifications as are suited to the particular use contemplated. It is intended that a scope of the invention be defined broadly by the Drawings and Specification appended hereto and to their equivalents. Therefore, the scope of the invention is in no way to be limited only by any adverse inference under the rulings of Warner-Jenkinson Company, v. Hilton Davis Chemical, 520 US 17 (1997) or Festo Corp. v. Shoketsu Kinzoku Kogyo Kabushiki Co., 535 U.S. 722 (2002), or other similar caselaw or subsequent precedent should not be made if any future claims are added or amended subsequent to this Provisional Patent Application.

Examples

Embodiment Construction

[0038]In operation, the seam hemmer is utilized through a specific sequence of steps to efficiently and safely complete metal roof drip edge crimping operations. Initially, the operator positions the seam hemmer at the roof leading edge where the metal roof panel interfaces with the roof framing element. The head section is oriented such that the front base aligns with the drip edge to be crimped.

[0039]Prior to activating the seam hemmer, the operator should ensure proper personal protective equipment is worn and that the equipment has been thoroughly inspected for operational integrity. The roof surface should be prepared and cleared of any potential obstructions that might impede the smooth operation of the device.

[0040]The seam hemmer is then secured to the roof surface with the head section positioned at the drip edge. The operator maintains a position approximately three feet from the roof edge, as facilitated by the dimensional configuration of the device. This distance provid...

Claims

1. A seam hemmer for crimping a roof leading edge of a metal roof panel to a roof framing element, the seam hemmer comprising:a head section comprising:a planar rear base;a planar front base wider than the planar rear base;a pair of curvilinear side portions, each side portion having a rear end affixed to the planar rear base and a front end affixed to the planar front base, the planar rear base, the planar front base, and the pair of curvilinear side portions collectively framing an open central portion; anda handle section receiver disposed on the planar rear base;a crimping mechanism disposed within the head section, the crimping mechanism comprising:at least one cylinder fixedly attached to a top surface of a respective one of the pair of curvilinear side portions;at least one piston linearly movable within the at least one cylinder, the at least one piston being operably connected to a power supply selected from the group consisting of a pneumatic power source, a hydraulic power source, and an electrical power source; andat least one coupler attached to a terminal end of the at least one piston and further attached to the planar front base, such that linear movement of the at least one piston translates through the at least one coupler to generate a crimping force between the crimping mechanism and a top surface of the planar front base; anda handle section removably attachable to the handle section receiver of the head section, the handle section comprising:a pole having a bottom end configured to be removably received within the handle section receiver;an extended handle grip disposed at a top end of the pole; anda control lever operably connected to the crimping mechanism to selectively actuate the crimping force,wherein the seam hemmer is configured to enable an operator to perform the crimping of the roof leading edge while maintaining a working distance from an edge of the roof.

2. The seam hemmer of claim 1, wherein the handle section further comprises at least one pair of auxiliary handle grips attached to the pole and extending perpendicularly therefrom, the at least one pair of auxiliary handle grips providing a secondary gripping means for manipulation of the seam hemmer.

3. The seam hemmer of claim 1, wherein the extended handle grip comprises a curvilinear section extending rearwardly relative to the pole.

4. The seam hemmer of claim 1, wherein the crimping mechanism comprises a pair of cylinders, each cylinder fixedly attached to a top surface of a respective one of the pair of curvilinear side portions, a pair of pistons each linearly movable within a respective one of the pair of cylinders, and a pair of couplers each attached to a terminal end of a respective one of the pair of pistons and each further attached to the planar front base in a balanced and symmetrical configuration.

5. The seam hemmer of claim 1, wherein the crimping mechanism is configured to extend up to approximately two inches to provide a crimping displacement between the crimping mechanism and the top surface of the planar front base.

6. The seam hemmer of claim 1, wherein the seam hemmer has an overall length of approximately three feet, an overall width at the head section of approximately fourteen inches, and an overall height to a top of the handle section of approximately thirteen inches.

7. The seam hemmer of claim 1, wherein the pole of the handle section is oriented at a rearward slope relative to a perpendicular axis of the planar rear base when the handle section is received within the handle section receiver.

8. The seam hemmer of claim 1, wherein the head section primarily comprises steel angle and steel plate elements, and further comprising a protective finish disposed on exposed surfaces of the head section.

9. The seam hemmer of claim 1, wherein the at least one piston has an adjustable stroke length configured to accommodate varying dimensions of the roof leading edge.

10. The seam hemmer of claim 1, wherein the control lever is attached to a portion of at least one of the pole and the extended handle grip.

11. A method of crimping a roof leading edge of a metal roof panel secured to a roof framing element on a roof of a structure, the method comprising:providing a seam hemmer comprising a head section having a planar rear base, a planar front base wider than the planar rear base, a pair of curvilinear side portions connecting the planar rear base to the planar front base and framing an open central portion, a crimping mechanism disposed within the head section, and a handle section removably attached to the head section;positioning the head section of the seam hemmer at the roof leading edge such that the planar front base is aligned with a drip edge to be crimped;maintaining a position of an operator at a working distance of approximately three feet from an edge of the roof via dimensional configuration of the seam hemmer;supplying power to the crimping mechanism from a power source selected from the group consisting of a pneumatic power source, a hydraulic power source, and an electrical power source;actuating the crimping mechanism by manipulating a control lever on the handle section, thereby causing at least one piston to extend linearly within at least one cylinder and translate motion through at least one coupler to the crimping mechanism, the crimping mechanism exerting a controlled pressure on the metal roof panel to create a crimp securing the metal roof panel to the roof framing element; andguiding the seam hemmer along the roof leading edge while maintaining actuation of the control lever, thereby progressively crimping the roof leading edge along a desired length thereof.

12. The method of claim 11, further comprising adjusting a stroke length of the at least one piston prior to actuating the crimping mechanism based on dimensions of the drip edge and the metal roof panel.

13. The method of claim 11, wherein actuating the crimping mechanism comprises extending the crimping mechanism up to approximately two inches toward the planar front base.

14. The method of claim 11, further comprising applying a consistent force to the control lever while guiding the seam hemmer along the roof leading edge to achieve uniform crimping along the desired length.

15. The method of claim 11, wherein the crimp produced by the seam hemmer is capable of withstanding sustained winds of up to one hundred sixty-five miles per hour.

16. The method of claim 11, further comprising, prior to positioning the head section, inspecting the seam hemmer for operational integrity and clearing the roof surface of obstructions.

17. The method of claim 11, further comprising releasing the control lever upon completion of the crimping operation, causing the crimping mechanism to retract, and repositioning the seam hemmer for a subsequent crimping operation along the roof leading edge.

18. A powered crimping tool for finishing drip edges on a standard seam metal panel roof system, the powered crimping tool comprising:a head section comprising:a planar rear base including a handle section receiver;a planar front base wider than the planar rear base, the planar front base defining a crimping surface;a pair of curvilinear side portions, each having a rear end affixed to the planar rear base and a front end affixed to the planar front base, the planar rear base, the planar front base, and the pair of curvilinear side portions collectively defining an open central portion therebetween; anda crimping mechanism comprising a pair of cylinders each fixedly attached to a top of a respective one of the pair of curvilinear side portions, a pair of pistons each linearly movable within a respective one of the pair of cylinders and each operably connected to a power source, anda pair of couplers each connecting a terminal end of a respective one of the pair of pistons to the planar front base in a balanced and symmetrical configuration, such that extension of the pair of pistons drives the crimping mechanism toward the crimping surface of the planar front base;a handle section removably attachable to the handle section receiver, the handle section comprising:a pole configured to be removably received within the handle section receiver at a rearward slope;an extended handle grip at a top end of the pole, the extended handle grip comprising a curvilinear section extending rearwardly relative to the pole;at least one pair of auxiliary handle grips attached to the pole and extending perpendicularly therefrom; anda control lever operably connected to the crimping mechanism and disposed on at least one of the pole and the extended handle grip;wherein the powered crimping tool is dimensionally configured to maintain an operator at a working distance of approximately three feet from a roof edge during operation, and wherein the crimping mechanism is configured to extend up to approximately two inches to produce a crimp between the crimping mechanism and the crimping surface.

19. The powered crimping tool of claim 18, wherein the power source is selected from the group consisting of a pneumatic power source, a hydraulic power source, and an electrical power source.

20. The powered crimping tool of claim 18, wherein the crimping mechanism further comprises at least one coiled feature in operable communication with the pair of pistons and the pair of couplers such that movement of the pair of pistons translates to movement of the crimping mechanism.

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