Abstract: A metal grip for T-bar according to the present invention has a T-bar, a front wheel, a front wheel fork, a board, and two or more rear wheels. The metal grip includes a locking bump and a metal grip. The locking bump is for locking the T-bar to the front wheel fork. The metal grip has a band portion, a fastening device, and a plurality of locking hooks. The T-bar is assembled to the front wheel fork for the locking bump on the T-bar to be locked between the locking hooks of the metal grip. And the band portion and the fastening device enclose and hold the assembled T-bar and front wheel fork.

Abstract: A scooter including a footboard, a plurality of wheels rotatably attached to the footboard, an elongated rod attached to the footboard, a handle attached to the enlongated rod and a decorative portion is provided. The footboard includes a front end and a rear end. The elongated rod is attached near or at the front end. The decorative portion includes a front decorative portion that is attached near or at the front end. The front decorative portion has a shape of a shell having a front cavity. The front cavity substantially encloses the front end of the footboard. The front decorative portion simulates a vehicle or an animal. The decorative portion may also include a rear decorative portion near the rear end, side decorative potions on the sides of the footboard, and a handle decorative portion.

Abstract: The present invention relates to a core drill wherein initial drilling workability is improved through reduced frictional resistance on the segment tips, when they are seated on the surface of an article to start cutting operation, and wherein cutting scraps or sludge produced by the segment tips are smoothly discharged through the helical grooves formed on the core body so as to reduce the friction between the core body and the cutting scraps or sludge, whereby both the cooling and cutting performance of the core drill are improved. The invention proposes a core drill with a cylindrical core body with a predetermined diameter and length and with plural cutting segments provided on the lower part of a core body at a finite interval, wherein the cutting thickness surface of the cutting segment consists of inclined sharp thickness portion for decreased frictional resistance with an article to be processed.

Abstract: The present invention relates to a core drill wherein initial drilling workability is improved through reduced frictional resistance on the segment tips, when they are seated on the surface of an article to start cutting operation, and wherein cutting scraps or sludge produced by the segment tips are smoothly discharged through the helical grooves formed on the core body so as to reduce the friction between the core body and the cutting scraps or sludge, whereby both the cooling and cutting performance of the core drill are improved. The invention proposes a core drill with a cylindrical core body with a predetermined diameter and length and with plural cutting segments provided on the lower part of a core body at a finite interval, wherein the cutting thickness surface of the cutting segment consists of inclined sharp thickness portion for decreased frictional resistance with an article to be processed.