Abstract: A seal device for sealing slide-out room opening in recreational vehicles. The seal including a base; a bulb; an alignment aid member; and a positional member. The base having a proximal end, a distal end, an inside portion, an outside portion, and a perpendicular member. The bulb having an arcuate portion, a sidewall portion and a curled end portion. The positional member extending perpendicularly to the base distal end in opposite direction of the alignment aid member. The seal device may further include a flap extending co-linearly from the base distal end and a fastening system.

Abstract: A seal device for sealing slide-out room opening in recreational vehicles. The seal including a base; a bulb; an alignment aid member; and a positional member. The base having a proximal end, a distal end, an inside portion, an outside portion, and a perpendicular member. The bulb having an arcuate portion, a sidewall portion and a curled end portion. The positional member extending perpendicularly to the base distal end in opposite direction of the alignment aid member. The seal device may further include a flap extending co-linearly from the base distal end and a fastening system.

Abstract: A pneumatically operated hoist system including a load support is disclosed, wherein the system is capable of sensing an overload and preventing the raising of the load support.

Abstract: A hoarding module 100 is disclosed which cooperates with other modules for erecting a hoarding and includes a substantially rectangular panel member 101 and positioning means in the form of a sleeve set 69, 70 and sleeve 71 which positions the module to adjoin at least one other module along at least one vertical side thereof. Positioning means 69, 70 and 71 cooperate with joining means in the form of pins 80 to hinge together horizontally adjoining modules in a hoarding.