Abstract: A mobile scaffold (10) having bi-axially rotatable casters (22–28) and including brake assemblies (30 and 32) associated with the casters (22–28) is disclosed. The inventive brake assemblies (30,32) enable an elevated worker to selectively control the mobility of the scaffold (10) and each broadly includes shiftable brake stop subassemblies (74 and 76), a brake housing (72) adjustably connected to a respective scaffold frame (12,14) and shiftably connected to the brake stop subassemblies (74,76), and an actuator (78) adjustably connected to the housing (72) and configured to shift the brake stop subassemblies (74,76) into and out of braking positions. When in the braking position, the brake stop subassemblies (74,76) prevent the respective casters (22–28) from rotating about both axes. The actuator includes cables (180,182) for interconnecting brake stop subassembly and the handle in one embodiment and a plunger (308,406) in other embodiments.

Abstract: A scaffolding (10) for elevating a worker (not shown) above a floor or ground surface is disclosed. The scaffolding (10) broadly includes a pair of frames (12) and (14), cross bracing (16) coupling the frames (12,14) together, and a plurality of walkboards (18, 20, and 22) removably supported between the frames (12,14). Each of the frames (12,14) includes a plurality of slotted ledgers (32, 34, 36, 38) and (40, 42, 44, 46) coupled to and extending horizontally between corresponding support posts (24,26) and (28,30), respectively. Each ledger is configured to facilitate initial assembly of the frames (12,14) and to prevent undesired shifting of a walkboard supported thereon. For example, the ledger (38) is defined by a U-shaped wall (60) that presents an arcuate walkboard bearing support surface (62) having open, recessed slots (64,66,68,70,72) defined therein. Each slot is configured and dimensioned to receive a portion of the supported walkboard and prevent shifting of the walkboard along the ledger axis.

Abstract: A mobile scaffolding (10) for elevating a worker (not shown) above a floor or ground surface (S) is disclosed. The scaffolding (10) broadly includes a pair of frames (12) and (14), a platform (16) supported by the frames (12,14), a pair of casters (18, 20) and (22,24) rollably supporting a respective one of the frames (12,14), and a brake assembly (26, 28,30, and 32) associated with a corresponding one of the casters (18,20,22,24), respectively. The inventive brake assemblies (26,28,30,32) enable the worker supported on the platform (16) to selectively activate and deactivate the respective brake assemblies (26,28,30,32) from the platform (16). This enables the worker supported on the platform (16) to deactivate the brake assemblies (26,28,30,32), reposition the scaffolding (10), and then reactivate the brake assemblies (26,28,30,32) without requiring the worker to dismount from the platform (16).

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12,14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12,14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: A scaffolding (10) for elevating a worker (not shown) above a floor or ground surface is disclosed. The scaffolding (10) broadly includes a pair of frames (12) and (14), cross bracing (16) coupling the frames (12,14) together, and a plurality of walkboards (18, 20, and 22) removably supported between the frames (12,14). Each of the frames (12,14) includes a plurality of slotted ledgers (32, 34, 36, 38) and (40, 42, 44, 46) coupled to and extending horizontally between corresponding support posts (24,26) and (28,30), respectively. Each ledger is configured to facilitate initial assembly of the frames (12,14) and to prevent undesired shifting of a walkboard supported thereon. For example, the ledger (38) is defined by a U-shaped wall (60) that presents an arcuate walkboard bearing support surface (62) having open, recessed slots (64,66,68,70,72) defined therein. Each slot is configured and dimensioned to receive a portion of the supported walkboard and prevent shifting of the walkboard along the ledger axis.

Abstract: A mobile scaffolding (10) for elevating a worker (not shown) above a floor or ground surface (S) is disclosed. The scaffolding (10) broadly includes a pair of frames (12) and (14), a platform (16) supported by the frames (12,14), a pair of casters (18, 20) and (22,24) rollably supporting a respective one of the frames (12,14), and a brake assembly (26, 28,30, and 32) associated with a corresponding one of the casters (18,20,22,24), respectively. The inventive brake assemblies (26,28,30,32) enable the worker supported on the platform (16) to selectively activate and deactivate the respective brake assemblies (26,28,30,32) from the platform (16). This enables the worker supported on the platform (16) to deactivate the brake assemblies (26,28,30,32), reposition the scaffolding (10), and then reactivate the brake assemblies (26,28,30,32) without requiring the worker to dismount from the platform (16).

Abstract: A multipurpose frame assembly (10) for interconnection with existing conventional scaffolding modules (M) is disclosed. The frame assembly (10) includes a plurality of end frames (12,14). The end frames (12,14) each include four, generally coextensive, coplanar legs (22,24,34,36), with at least two of the legs being spaced apart an industry standard dimension (DIS). Paired sets of the legs (16,18) are coupled together by horizontal rungs (38,40) that cooperate with a cross member assembly (20) to provide one of the paired sets (16,18) the industry standard spacing. In other embodiments, end frames (100,200) include a knock-down cross member assembly (106) and a box cross member assembly (206), respectively. Further disclosed embodiments show a multipurpose frame assembly (300) configured for vertically shoring a high capacity load and a tower assembly (400) configured for elevating a work surface.

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12,14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12, 14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12,14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: Scaffolding (10) having safety features for coupling scaffolding structural members so as to prevent equipment damage and worker injury from inadvertent disassembly, while permitting quick assembly and disassembly when desired. The scaffolding (10) incorporating the safety features broadly comprises legs (12); beams (14); a platform (16); coupling braces (18); platform pins (20); and platform clips (22). The first safety feature is a rounded, spring-biased, rotation-limited G-pin for adjustably coupling the beams (14) with the legs (12). The G-pin's rounded shape and a perpendicularly projecting stop (51) minimize risks of inadvertent removal. The second feature is a lockable pin (44) operable to independently couple structural members (12,14) in the event the G-pin is inadvertently removed. The third and fourth features are platform pins (20) and spring-biased platform clips (22) operable to prevent, respectively, undesirable horizontal and vertical movement of the platform (16).

Abstract: A scaffolding platform (20), having side rails (22,24), one-piece end cross members (26,28), and a panel (30) is utilized to elevate a work surface (32) provided by the panel (30). In an alternate embodiment, the end cross members (26,28) are unitary and hooks (56) are attached to the end cross members (26,28) with hook joints (92). If a hook (56) is damaged, the hook (56) can be removed without separating any of the corner joints (68) which attach the rails (22,24) to the end cross members (26,28). An intermediate cross member (31) is also provided to support the panel (30). The intermediate cross member (31) includes an upper support member (76) which engages the panel (30) and a lower support member (78) which engages the rails (22,24) to maintain spacing.