A safety device comprising a foothold in association with a mounting assembly, wherein the position of the foothold relative to the mounting assembly is adjustable, thereby allowing the safety device to be used on a variety of sloped roofs. The safety device may further comprises a firefighter secur
A safety device comprising a foothold in association with a mounting assembly, wherein the position of the foothold relative to the mounting assembly is adjustable, thereby allowing the safety device to be used on a variety of sloped roofs. The safety device may further comprises a firefighter securing assembly which provides a means whereby an operator may secure himself to the safety device thereby preventing the operator from falling from the roof in the event the operator loses his balance.
대표청구항▼
1. A safety device comprising: a foothold comprising a body having a top side opposite to a bottom side, and an anterior wall opposite to a posterior wall;a first support subassembly and a second support subassembly, wherein each of the first and second support subassemblies comprises: a rail having
1. A safety device comprising: a foothold comprising a body having a top side opposite to a bottom side, and an anterior wall opposite to a posterior wall;a first support subassembly and a second support subassembly, wherein each of the first and second support subassemblies comprises: a rail having a top side opposite to a bottom side, an anterior side opposite to a posterior side, and a proximal lateral side opposite to a distal lateral side, wherein a channel is formed through the rail, and further wherein the rail is disposed on the bottom side of the foothold;a foothold adjustment subassembly comprising a plate which engages with the channel of the rail to thereby adjust the position of the foothold;a roof rest member comprising a body which is in communication with the foothold adjustment subassembly and the rail, wherein a bottom side of the roof rest member is disposed on an exterior side of a roof when the device is in use;a first grip subassembly and a second grip subassembly, wherein each of the first and second grip subassemblies comprises: a grip member that is in physical communication with the roof when the safety device is installed on the roof;a mount which is disposed on the back side of the foothold, and which extends past the posterior wall of the foothold, and further wherein the grip member from the first grip subassembly is in operable communication with the mount of the first grip subassembly and the grip member from the second grip subassembly is in operable communication with the mount of the second grip subassembly. 2. The safety device of claim 1, wherein each of the mounts of each of the first and second grip subassemblies comprises: a first bracket and a second bracket, wherein each of the first and second brackets comprises an anterior portion opposite to a posterior portion, wherein the anterior portion is disposed on the bottom side of the foothold, and the posterior portion extends past the posterior wall of the foothold, and further wherein the posterior portion comprises a hole formed therethrough; anda bolt having a shaft which is disposed through the holes of the first and second brackets; wherein the grip member is engaged with the shaft of the bolt. 3. The safety device of claim 2, wherein each of the grip members from the first and second grip subassemblies comprises a sleeve which is contiguous with the arcuate shaped body, wherein the sleeve is disposed around the shaft such that the grip member is rotatable about the shaft. 4. The safety device of claim 2, wherein each of the foothold adjustment subassemblies of the first and second support subassemblies comprises: a first plate and a second plate each comprising an anterior portion opposite to a posterior portion, and a front side opposite to a back side, wherein a first hole is formed through the front side and the back side of the anterior portion of the plate; andan upper connector member comprising a shaft, wherein the shaft is disposed through the holes of the first and second plates, and wherein the shaft is further disposed within the channel of the rail. 5. The safety device of claim 4, wherein each of the foothold adjustment subassemblies of the first and second support subassemblies further comprises a lower connector member comprising a body disposed between the first and second plates of each of the foothold adjustment subassemblies, wherein the body of the lower connector member is secured to the first and second plates of the foothold adjustment subassembly to allow for pivotal movement of the first and second plates relative to the body of the lower connector member. 6. The safety device of claim 5, wherein the roof rest member of each of the first and second support subassemblies comprises a first plate and a second plate, wherein each of the first plate and the second plate comprises an anterior portion opposite to a posterior portion, and a top side opposite to a bottom side, wherein the posterior portion is fixedly joined to the rail and the anterior portion is joined to the body of the lower connector member, and wherein the bottom side is disposed on the exterior side of the roof when the safety device is in use. 7. A safety device, comprising: a foothold comprising a body having a top side opposite to a bottom side and an anterior wall opposite to a posterior wall;a first support subassembly and a second support subassembly, wherein each of the first and second support subassemblies comprises: a rail disposed on the bottom side of the foothold, wherein the rail comprisesa proximal lateral side oppositely situated to a distal lateral side, wherein each of the proximal lateral side and the distal lateral side has a channel formed therethrough, wherein the channels of the proximal and distal lateral sides are in operable communication with one another;an upper connector member having a first terminal end oppositely situated to a second terminal end, wherein the upper connector member is disposed through the rail such that the first terminal end extends from the channel formed through the proximal lateral side of the rail, and the second terminal end extends from the channel formed through the distal lateral side of the rail, wherein the connector is slidably engaged with the channel;a first plate having an anterior end oppositely situated to a posterior end, wherein the anterior end of the first plate is attached to the first terminal end of the upper connector;a second plate having an anterior end oppositely situated to a posterior end, wherein the anterior end of the second plate is attached to the second terminal end of the upper connector;a third plate having an anterior end oppositely situated to a posterior end, wherein the anterior end is pivotally attached to the posterior end of the first plate, and the posterior end is fixedly attached to the proximal lateral side of the rail; anda fourth plate having an anterior end oppositely situated to a posterior end, wherein the anterior end is pivotally attached to the posterior end of the second plate, and the posterior end is fixedly attached to the distal lateral side of the rail;a rod having a proximal terminal end oppositely situated to a distal terminal end, wherein the proximal terminal end is disposed on the second plate of the first support subassembly and the distal terminal end is disposed on the first plate of the second support subassembly; anda first grip subassembly and a second grip subassembly, wherein each of the first grip subassembly and the second grip subassembly comprises: a first bracket and a second bracket, each having a first terminal end oppositely situated to a second terminal end, wherein the first terminal end is attached to the bottom side of the foothold, and the second terminal end extends past the posterior edge of the foothold;a shaft disposed between the first bracket and the second bracket towards the posterior edge of the foothold;a grip member having: a sleeve rotatably mounted onto the shaft; andan arcuate shaped body, wherein a concave portion of the arcuate shaped body is directed towards the top side of the foothold. 8. The safety device of claim 7, further comprising an operator securing assembly, wherein the operator securing assembly comprises: a plate having a top side opposite to a bottom side, and an anterior portion opposite to a posterior portion, wherein the anterior portion of the plate is directed towards the anterior wall of the foothold, the posterior portion of the plate is directed towards the posterior wall of the foothold, and further wherein the plate is disposed on the bottom side of the foothold; anda member attached to the anterior portion of the plate of the operator securing assembly, wherein the member comprises an opening which receives a fastening member which assists in securing an operator to the safety device.
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이 특허에 인용된 특허 (45)
Kempton John D., Adjustable platform for supporting ladders.
Glynn John H. (7 Richgrove Dr. ; Apt. 1006 Weston ; Ontario M9R 2L1 CAX) Glynn Patrick J. (307 The Kingsway ; Apt. C2 Islington ; Ontario ; M9A 3V3 CAX), Roof attachment member for safety lines.
Arisman Mark (Pheonix MD) Tomer Mike (Baltimore MD) Jermolojevs Terry (Columbia MD) Eyler Bill (Myersville MD) Tate Dave (Richmond VA) Morgan Greg (Woodbridge VA) Aldous John (Ellicott City MD), Roof lifeline anchor.
Woodyard Clifford P. (24322 180th SE. Kent WA 98042), Roof mounted anchor used singly or with another, and with other equipment in a fall restraint and/or fall arrest system.
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