Abstract: A steerable arm for use in endoscopic surgical procedures. The steerable arm cut from a tube of nitinol to provide flexibility and resilience by the structure into which the tube is cut. Typically, the cut tube comprises a spiralling coil, the loops of which are in contact on one lateral side of the tube and the tube is bent to open apart the loops on the other lateral side. The material which the tube is made of is capable of retaining memory of the bend. This provides a bias for restoring the tube to the bend whenever a force causing the tube to flex is removed.

Abstract: A folding collapsible bicycle, which includes a front connecting bar pivoted to the bicycle frame and locked by a lock to hold a front fork, a retractable fork tube hinged to the front fork and locked thereto with a lock screw to hold two collapsible handlebars, and a seat pillar holder pivoted to the bicycle frame at the top and locked thereto with a lock to support a seat pillar and a saddle on the seat pillar.

Abstract: A folding collapsible bicycle, which includes a front connecting bar pivoted to the bicycle frame and locked by a lock to hold a front fork, a retractable fork tube hinged to the front fork and locked thereto with a lock screw to hold two collapsible handlebars, and a seat pillar holder pivoted to the bicycle frame at the top and locked thereto with a lock to support a seat pillar and a saddle on the seat pillar.

Abstract: A telephone keypad arrangement having 15 keys arranged in 3×5 array including number keys 0˜9, function keys “*” and “#” and three selector keys, and 26 English letters properly arranged in pairs and respectively bilaterally marked on the number keys and the function keys and the first selector key for entry of English letters respectively, the second selector key being for selection between space bar and symbols, the third selector key being for switching between English Letter/Number and between Capital/Lower-Case Letter selectively.

Abstract: A portable dropping collecting frame for pets includes a main handle, an extension handle and a substantially V-shaped resilient support. The main handle has a long groove at an upper lateral side thereof and is pivotally connected to the extension handle at a top end thereof by means of a ring. The extension handle has a rib for matching the groove so that the extension handle may be rotated and folded along the side of the main handle. The bottom end of the main handle is provided with two pivot portions for mounting a support element which is provided with a cylindrical insert block at a front end thereof for locking with the resilient support. The top side of the support element is provided with a pivot block for pivotally connecting a substantially L-shaped control link for controlling a clamp that may be secured on the insert block.

Abstract: A mobile traffic warning sign including a heavy flat base, a conical spring fastened to the base at the top by holding-down plates and screws, and a collapsible conical covering with reflectors covered on the conical spring, and a case for receiving the warning traffic warning sign when the conical covering and the conical spring are collapsed and received in a circular recess on the base.