Abstract: A scraping adapted for attachment to the raking head of a conventional rake includes a substantially elongated adapter body defining a body first longitudinal edge, an opposed body second longitudinal edge and a pair of substantially opposed body longitudinal ends. The adapter body is configured so as to provide a substantially longitudinally extending scraping section adjacent the body first longitudinal edge. The scraping adapter also includes a body-to-head attachment structure for attaching the adapter body to the raking head with the head base and body longitudinal axis in a parallel relationship relative to each other and the scraping section positioned opposite the rake tines.

Abstract: A selective message display system comprising a pair of plates facing one another and in a spaced apart relationship to form between them a space. The outer faces of the plates bear insignia, such as parking restriction notifications. A movable display panel is mounted between the plates. The faces of the display panel bear additional insignia that override or complement the parking restrictions on the plates. The display panel can be placed in an exposed position in which it projects laterally from the plates so it is visible to motorists. The display panel can also be retracted between the plates to hide it from view.

Abstract: A reel for unwinding a coil of wire of relatively stiff material rotatably supports the coil on its outer periphery. The coil is unwound by pulling on the innermost spire through a fixed guiding channel located between the center and the periphery of the coil. The channel is perpendicular to a radius of the coil and slightly tilted relative to the plane of the coil.