3results about "Adjustable nibs" patented technology

This utility model discloses a double-ended crayon for adults, aiming to provide a crayon with a retractable tip to prevent accidental application and improve usability. It includes: two outer tubes, each with a spiral guide groove on its inner wall; two inner tubes, each sleeved with a corresponding outer tube, each with a guide groove on its side wall; two sets of sliders, each slider housed within a corresponding inner tube, each slider having a core mounted on its top, and a guide block on its outer wall that passes through a guide groove and embeds into the guide groove; and a center block, which is a double-ended structure, with both ends rotatably sleeved with corresponding outer tubes and both ends connected to corresponding inner tubes. The beneficial effect of this utility model is that rotating the tail block allows for axial movement of the sliders within the inner tubes, enabling the core to extend during use and retract into the outer tubes when not in use, thus preventing accidental application and improving usability.

Embodiments of the invention provide a container (e.g., marker tip holder box) that comprises a holding pad (e.g., marker tip holder pad) having a plurality of holders to retain objects (e.g., marker tips for use with a pen-stylus). Each holder has an opening to receive an object (e.g., a marker tip). Each holder further comprises a flexible leaflet, that surrounds the opening in the holder, wherein the flexible leaflet has an irregular but nearly conical shape that narrows in diameter as it approaches an arrester that is located below the flexible leaflet, such that a retained object rests in the arrester in the holder. The flexible leaflet has two states, a first state that holds the retained object (e.g., a marker tip) with sufficient firmness to retain the object in the holder, and a second state in which the irregular but nearly conical shape of the flexible leaflet interferes with an outer housing of the object retained in the holder to form a flexure that enables removal of the retained object from the container.