A skateboard truck uses a support pin bushing to create a second pivot point for the hanger assembly.
An L-shaped keyway bolt secures a double-kingpin skateboard truck, allowing riders to adjust height for high-speed stability or tight turning.
A portable six-bar lifting apparatus uses a parallel bar mechanism to move users along a natural path while maintaining constant orientation.
A blade holder uses distinct materials for the support and base to create varied visual patterns.
Segmented truck keels with nested buffering members distribute impact forces to maintain ground contact on stairs.
A removable off-ice training blade uses non-cutting axial edges to engage non-ice surfaces while preserving skate geometry.
Segmenting the skate iron with a hinge and spring mechanism improves acceleration speed while maintaining turning control.
A detachable skate frame uses a spring-biased block member to secure pins within transverse grooves for stable attachment.
A rotatable locking device with radial irregularities engages ice skate blade hooks to secure the blade within the holder.
A hockey stick skating aid uses a weighted base to provide stability support for novice skaters.
Zoning stiff and resilient materials in the skate sole resolves the trade-off between power transfer and agility by allowing lateral heel movement.
Asymmetric edge widening in the toe and heel regions improves turning while minimizing braking forces during straight movement.
One-step injection molding unites the shoe inner sleeve and plastic shell, eliminating manual glue application to reduce production complexity.
An integrated one-piece frame eliminates rivet-induced energy losses by merging the boot and pedestal, ensuring precise alignment and enhanced stiffness.
A foam core and rigid shell blade holder reduces skater fatigue while maintaining structural stiffness.
A scooter wheel shaft locks via a sliding engaging member to provide stable straight-line travel.
A single kingpin skateboard truck uses a compressible urethane bushing to enable superior wheel rotation and tighter steering angles.
A blade holder assembly uses a locking arm to secure an ice skate blade within a pedestal recess.
A multi-material ice skate blade combines a polymeric upper member with metallic lower segments to reduce weight while maintaining structural integrity.
A skateboard truck hanger uses a key cavity and bushings to enable free swiveling around a kingpin without bearing surfaces.
Truck assembly uses adjustable arms and nuts to direct pressure into or out of a median plane for directional control.
A rotary retention latch secures replaceable ice skate blades within an enclosed holder chamber.
A goalie skate featuring a semi-rigid upper and neutral pitch chassis.
Segmented wheel bodies and nested spacers enable ice skating on standard frames without replacing the wheel frame or adding a toe rack.
Merges a storage drawer into the truck base plate cavity to provide discrete item storage without compromising structural balance.
Parallel metal blades attach to a synthetic sole via retractable bolts, resolving stability and balance challenges for inexperienced skaters.
Segmented non-lasted shells combine dense outer layers with lighter inner cores to resolve the trade-off between structural strength and overall boot weight.
A hybrid skate boot upper combines rigid quarters with flexible instep portions to balance ankle support and natural movement.
Spatial lattice structures in a customized footbed resolve the contradiction between manufacturing simplicity and cushioning adequacy for ice skating.
Forged metal runner with inwardly recessed thickness regions reduces weight while maintaining structural stiffness.
Segmenting the forefoot support eliminates rear fixed connections that create a double wave form on ice, reducing harmful blade-ice interaction.
Polymeric outsole shim increases attack angle while elastomeric crest absorbs forces to dampen vibrations.
Adjustable contouring tools dress grinding wheels to produce varied ice skate blade cross-sections.
A monolithic bellows guard adapts to ice skate blade lengths through elastic deformation.