Abstract: A carrier device, on which user can step to drive the carrier device running, has a carrier member with a space therein for storage, a plurality of wheel assemblies pivoted on a bottom thereof to slide the carrier member, a handle member at a side thereof to be held by a user, and a step portion for the user stepping thereon by a foot to drive the carrier member running.

Abstract: A portable and slidable bag/box comprises an article holding body which is provided in the interior with a receiving space and in the lower portion with at least one wheel body to roll on the ground surface. A pull rod is disposed with the article holding body to serve as a hand grip. A slide board is provided in the rear with at least one rear wheel. The slide board is connected at the front with the article holding body by a connection mechanism which enables the slide board to be folded into the article holding body and to be unfolded under the article holding body. When the side board is folded into the article holding body, the article holding body is a portable bag/box, which can be pulled to slide by a user holding the pull rod. When the slide board is unfolded under the article holding body, the user holds the pull rod to steer the portable bag/box while riding on the slide board, with one foot pushing against the ground surface.

Abstract: A combined hexagonal wrench has a main body, which has a body segment, an inner engaging segment at one end of the body segment, and a stopping segment. A sidable engaging device slidable mounts on the main body. The slidable engaging device has a tube segment, an outer engaging segment at one end of the tube segment, and a stopping segment for interfering with the stopping segment of the main body to prevent the slidable engaging device escaping from the main body. An elastic device receives in the space between the slidable engaging device and the main body for keeping the slidable engaging device in an initial position of the slidable engaging device covering the inner engaging segment of the main body.

Abstract: A portable and slidable bag/box comprises an article holding body which is provided in the interior with a receiving space and in the lower portion with at least one wheel body to roll on the ground surface. A pull rod is disposed with the article holding body to serve as a hand grip. A slide board is provided in the rear with at least one rear wheel. The slide board is connected at the front with the article holding body by a connection mechanism which enables the slide board to be folded into the article holding body and to be unfolded under the article holding body. When the side board is folded into the article holding body, the article holding body is a portable bag/box, which can be pulled to slide by a user holding the pull rod. When the slide board is unfolded under the article holding body, the user holds the pull rod to steer the portable bag/box while riding on the slide board, with one foot pushing against the ground surface.

Abstract: A radiating wearing object, wherein the wearing object is to cover a specific potion of body, such as shoe, clothes or hat etc., which comprises a main body and a plurality of radiating members. The radiating members have chemical compositions therein to provide radiation from chemical reaction. The main body disposed with a plurality of secure segments thereon for detachable securing the radiating members on the surface of the main body, whereby user can arrange the radiating member into a specific icon or a character and can make the radiating member to radiate in a dark environment for capturing people's attention.

Abstract: A dual-purpose roller skate comprises a boot, a sole plate provided with a plurality of receiving compartments, and a plurality of wheel sets equal in number to the receiving compartments. The wheel sets are pivoted to the receiving compartments of the sole plate such that the wheels of the wheel sets can be extracted from or retracted into the receiving compartments of the sole plate by an adjustment device.

Abstract: An article of footwear is designed for use as a walking shoe and a roller skate and is composed of a main body, a sole disposed in the bottom of the main body and provided with a plurality of cells, a plurality of wheel sets disposed in the cells and formed of a wheel seat, two swivel arms, a wheel, an adjustment member, and a locating member. The wheel seat is fastened with the top of the corresponding cell. The two swivel arms are fastened pivotally with two sides of the wheel seat by a pivot. The wheel is pivoted between the two swivel arms by an axle. The adjustment member is connected with one swivel arm. The locating member is connected with other swivel arm for locating the swivel arm at a predetermined angular position. The wheel is thus located at its extraction position by the locating member.