Abstract: A shoe device. The device includes a shoe body such as a sports shoe and a coupling plate removably mounted on the shoe body. The coupling plate has a lower side mounted with a sporting device suitably used for various sports, such as a skate, an in-line skate, a roller skate or the like. The shoe body has a coupling hole and an engaging groove formed on a base portion of the shoe body, whereas the coupling plate has an upper side formed with a coupling protrusion and an engaging groove. The shoe body and the coupling plate are strongly coupled by engaging the coupling protrusion of the coupling plate with the coupling hole of the shoe body, and by inserting a fixing member between the engaging groove of the shoe body and the engaging groove of the coupling plate.

Abstract: A set of replacement skates for a scooter. The replacement skates are designed such that each replacement skate can replace a wheel on the scooter. A kit may also be provided with a front end replacement skate and a rear end replacement skate. Both replacement skates have attachment means for fastening the skates to the scooter using the same pins and fasteners used to attach the wheels.

Abstract: A roller skate includes a sole plate holding two wheel holders and a stop holder in front and rear receiving chambers in an outsole, two wheel assemblies respectively pivoted to the wheel holders and turned between an extended position extended out of the outsole for skating and a received position received inside the outsole for enabling the roller skate to function as a normal shoe for walking, lock control means adapted to lock the wheel assemblies between the extended position and the received position, and a stop alternatively set in a stop holder at the back side of one wheel holder between the working position and the non-working position.

Abstract: A wheel assembly for a roller skate includes a pivotal seat having a first end secured to a base of the roller skate, a wheel seat having a first end pivotally connected to a second end of the pivotal seat by a pin, and a wheel rotatably mounted to a second end of the wheel seat. A first elastic member has a first end attached to the pivotal seat and a second end attached to a mounting member on the wheel seat for biasing the wheel seat to a storage position in the base. A stopping member includes a first end mounted to the pin and a second end through which the mounting member is extended. A second elastic member is mounted around the pin for biasing a stop of the stopping member to a position for releasably engaging with the wheel seat to prevent the wheel seat from moving into the storage position in the base when the wheel seat and the wheel are extended beyond the base for skating.

Abstract: Roller skate structure including a locating seat assembly composed of a locating seat, two nuts, a linking plate, a stop body, a compression spring, a torque spring, a pivot shaft and a C-shaped retainer ring. Two pivot plates downward extend from the locating seat. A lateral end of each pivot plate is formed with a stop through hole. A middle portion of each pivot plate is formed with a pivot hole. One side of one pivot plate is provided with a projecting post having a slide through hole. Two ends of the linking plate are respectively formed with a driving hole and a driven hole. The stop body includes a stop head and a small diameter driven post extending from the end face of the stop head. The pivot shaft is a two-step cylindrical member. The circumference of the large diameter section of the pivot shaft is formed with a spring hooking hole. The circumference of the small diameter section thereof is cut with a plane linking face. An inner end of the pivot shaft being formed with an annular retainer groove.

Abstract: A roller skate has a sole plate having a front oblong hole, a rear oblong hole, and a middle block. The sole plate has a round aperture, a threaded hole, and a circular aperture. The middle block has a round hole and a through hole. The hollow bottom casing has a front slot, a rear slot, and a bore. The first wheel support seat has a first U-shaped frame, and a first insertion plate having a first circular hole. The second wheel support seat has a second U-shaped frame, and a second insertion plate having a second circular hole. The through hole, of the middle block receives the first insertion plate and the second insertion plate. The first shaft is inserted through the round aperture and the first circular hole. The second shaft is inserted through the circular aperture and the second circular hole. The positioning tube engages with the threaded hole. The blocking device is inserted through the round hole.

Abstract: Skates attachable to sneakers. The device includes a sneaker body and a lower functional unit (such as an ice-skate unit, a roller skate unit, etc.), assembled with or disassembled from each other. The sneaker body has a sole and a large sole under the sole, and the sole has recesses and a tenon formed in each recess, and one of the tenons has an insert hole in its sidewall. The lower functional unit has plural connect members with mortises engaging the tenons. Each connect member has a stop plate in front of the mortise, with an aperture formed between them for a safety pin and a spring fitted around the pin to fit therein. The safety pin passes through the hole of the stop plate and a lateral hole of the inner wall of the mortise, with its outer end inserting in the insert hole of the tenon.

Abstract: A roller skate shoe incorporates a wheel lock releaser arrangement which includes a locking member movably attached to a shaft for locking up a wheel frame from being slid rotatably with respect to a supporting frame of the roller skate shoe. The locking member includes an operation button extended to an exterior of a shoe base for operating the locking member. A resilient member is adapted for applying an urging pressure against the locking member so as to normally retain the locking member in a locking position. At the locking position, the locking member is engaged with the wheel frame such that the wheel frame is locked for a rotational movement. For operating the roller skate shoe, a player must press the operation button inwardly to disengage the locking member with the wheel frame, so as to unlock the wheel frame from being slid out of the receiving cavity.

Abstract: A frame for skates and the like with a structure comprising at least one bearing surface (3, 4) engageable by a boot or the like, and a side flange (2) comprising means for attaching one or more ground-engaging members. The components (3, 4-2, 8) of the structure are made of at least two at least partially mutually assembled materials having different mechanical properties.

Abstract: The “MODIFIED WHEELS FOR ICE” consists of a wheel assembly which permits interchange with in-line skate wheels for use on ice that minimizes damage from fractures in the ice, particularly when the wheel is at an angle from perpendicular to the ice while pushing off or turning. The wheel is consists of a lightweight hub, bearing accommodating counterbores and an outer ring containing multiple contact means. When the wheel is at an angle from perpendicular to the ice the outer circumferential contact means being smaller in diameter than the inner circumferential contact means allows both contact means to engage the ice. A new load bearing support surface is both adjacent to the inner and outer circumferential contact means and parallel to the ice when the wheel is at a predetermined angle from perpendicular to the ice. The function of the support surface is to limit the penetration of the contact means into the ice.

Abstract: A wheel assembly for a roller skate includes a pivotal seat having a first end secured to a base of the roller skate, a wheel seat having a first end pivotally connected to a second end of the pivotal seat by a pin, and a wheel rotatably mounted to a second end of the wheel seat. A first elastic member has a first end attached to the pivotal seat and a second end attached to a mounting member on the wheel seat for biasing the wheel seat to a storage position in the base. A stopping member includes a first end mounted to the pin and a second end through which the mounting member is extended. A second elastic member is mounted around the pin for biasing a stop of the stopping member to a position for releasably engaging with the wheel seat to prevent the wheel seat from moving into the storage position in the base when the wheel seat and the wheel are extended beyond the base for skating.

Abstract: An in-line roller skate of the type which includes a shell with a support for the wheels and a quarter which is slidingly associated with the shell. Struts for the selective axial movement of the quarter is associated with the shell of the skate.

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.

Abstract: An in-line skate having tapered, metallic wheels for skating on ice surfaces. The skate has in-line wheels which are made of metal and taper from an inner main body to an outer edge. The tapered wheels contact the ice and provide a low rolling resistance in a forward direction to facilitate high speed skating and provide in the same surface an edge which has a high friction coefficient when the contact with the ice surface is oblique to the forward direction allowing a skate to push off with the wheels oblique to the line of travel and glide along the line of travel.