Abstract: A traction enhancing device for automobile tires includes a support ring and a plurality of cleat assemblies which are mounted on the support ring. The cleat assemblies include cleat members which extend over the tread portion of a tire and which include projections to enhance traction. The cleat members are able to slide inwardly in the cleat assemblies to accomodate flexing of the tire and the cleat members are attached to the cleat assemblies by latches which facilitate rapid installation and removal of the device without a need for tools of any type or for jacking up of the vehicle.

Abstract: A balcony for fire escape purposes for use below a window in an exterior wall of a multistory building which comprises support means to secure it in place on the wall; a platform secured to said means, preferably by spring hinges biasing it to horizontal position so that it can be removably held in vertical position against the wall or at right angles thereto; means secured to the support means for holding the platform in horizontal position against downward forces; an outside guard means secured to the platform parallel to and spaced from the connection thereof to the support means, preferably by spring hinges so that it is biased from a folded position against the platform to a position at right angles thereto; means operatively connected to the outside guard means and the support means to prevent the guard means from swinging beyond a right angular position with respect to the platform; an end guard means secured to each end of the outside guard means, preferably by spring hinges biasing them away from a f