Land vehicles: wheels and axles – Wheel – Skate wheel
Reexamination Certificate
2006-09-19
2006-09-19
Stormer, Russell D. (Department: 3617)
Land vehicles: wheels and axles
Wheel
Skate wheel
C301S005304, C152S040000, C152S087000
Reexamination Certificate
active
07108331
ABSTRACT:
The invention discloses a technology to safely control speed and brake on in-line skates using a ski-like technique, wherein in-line skate wheels can rotate both vertically and at an angle. When angled (or “canted”) the wheels contact a friction strip within the wheel frame or a friction disk on the axle. The friction caused by the angled wheels contacting friction strips or friction disks is comparable to the canted “edging friction control” action of skis. The novel means that allows both vertical and angular rotation is a cohesive 2-element plastic hub shown in FIG's1–C & D. The inner element2ahas a convex perimeter and fits inside outer element2's convex bore, allowing2ato rotate freely within outer element2. Within inner element2aare axle bearings5or9and axle8. External elastomer springs7aor internal elastomer spring7bkeep each wheel in a vertical coasting position. When in the canting (edging) position for control and braking, the self-aligning “springs” (7aor7b) force the canted wheels back into the vertical coasting (gliding) position. Since the self-aligning elastomer “springs” can be made soft to hard and be interchangeably arranged, the skates can effectively have models that would satisfy a beginner to a pro.
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