Abstract: A collapsable stroller for transporting a passenger includes a frame movable between a collapsed position and an operating position. The frame includes rotatably mounted wheels for providing the stroller with mobility. A passenger seat is provided for receiving the passenger. At least a portion of the passenger seat is movably mounted on the frame between a first position and a second position. A latch is mounted on the frame and the seat. The latch releasably holds the seat in the first position. The latch, seat and frame are configured such that when the seat is in the first position and the frame is moved from the operating position to the collapsed position, the latch automatically releases the seat and the seat moves to the second position.

Abstract: A crayon sharpening assembly is disclosed comprising an axially rotating cartridge block (106) having an axial bore (178) for axial receipt of a crayon with a forward end of the crayon positioned within a cutting station (152). A pair of convergent sharpening blades (158, 160) carve a conical nose into the forward crayon end; a secondary horizontal blade (180) engages the forward crayon end and cuts an annular stepped shoulder surrounding the conical nose; and a preparatory vertical blade (188) makes a vertical circumscribing cut through the jacket of the crayon proximate the forward end, whereby restoring the forward crayon end into its manufactured form. A carrying case (12, 14) is provided having a pivotal lid (16), with the sharpener drive assembly (20, 22) built into one end wall. A drawer assembly (100) is removable from the end wall and contains the cartridge block (106) and a housing (102) for collecting shavings generated in the sharpening procedure.

Abstract: An improved method of blow molding a hollow article is disclosed comprising the adaptation of a die pin (26) to include spaced apart channels (38) therein that extend from top to bottom along the sides of the die pin. The channels create reinforcement ribs (70) along the inside surface (68) of a formed parison (30). The ribs expand with the parison into a final form and serve to reinforce the resultant body while being visible only from the inside. The channels (38) are each bifurcated to provide a segment (44) below a shut-off surface (46) in which plastic exiting the die pin can expand to form ribs (70) of substantial thickness. Portions of the parison sidewalls (66) between the ribs (70) are thinned to reduce part weight and the ribs (70) reinforce the sidewalls to compensate yet, being visible only from the inside, do not detract from the external appearance of the article.