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US 11,850,906 B2Granted
Stability control system
AssigneeInvacare Corporation
InventorsRobert Bekoscke, Damon Jurkiewicz, Gerald Fought
Life of this patent
Estimating the term…
Abstract
Embodiments of a suspension for a vehicle is provided. The suspension includes, for example, a frame and a locking assembly. The locking assembly inhibits tipping of a frame of the vehicle when tipping of the frame is detected.
Claims21
A wheelchair comprising:
- a frame;
- a pair of drive wheels supporting the frame;
- first and second front casters;
- first and second rear casters;
- first and second rear caster pivot arms coupled to the frame at a first and second pivot connections;
- first and second rear caster pivot arm stops, each comprising first and second engagement surfaces and a gap therebetween;
- a bar having a first portion within the gap of the first stop and a second portion within the gap of the second stop, wherein the bar is pivotably coupled to the frame, and wherein relative movement between the first and second rear pivot arms is limited by the bar, gap, and the first and second engagement surfaces.
4 more elements
A wheelchair comprising:
- a frame;
- a pair of drive wheels supporting the frame;
- first and second front casters;
- first and second rear casters;
- first and second rear caster pivot arms coupled to the frame at first and second pivot connections;
- first and second stops, each comprising a recess having first and second engagement surfaces and a gap therebetween;
- a bar having a first portion within the gap of the first stop and a second portion within the gap of the second stop, wherein the bar is pivotably coupled to the frame, and wherein relative movement between the first and second rear pivot arms is limited by the bar, gap, and the first and second engagement surfaces.
4 more elements
A wheelchair comprising:
- a frame means;
- drive wheel means supporting the frame means;
- first and second front caster means;
- first and second rear caster means;
- first and second rear caster pivot arm means coupled to the frame means at first and second pivot connection means;
- first and second stop means, each comprising a recess means having first and second engagement means and a gap therebetween;
- a bar means having a first portion within the gap of the first stop means and a second portion within the gap of the second stop means, wherein the bar means is pivotably coupled to the frame means, and wherein relative movement between the first and second rear pivot arm means is limited by the bar means, gap, and the first and second engagement means.
4 more elements
Dependencies are inferred from the claim text.