Foldable mobility aid
OwnerShanq-Ching SHIEHinventor
Life of this patent
Estimating the term…
Abstract
A foldable mobility aid has a base, a foldable frame, a first spring-plunger assembly, and a chair. The foldable frame has a first frame-body, a second frame-body, and a guiding assembly. Each of the first and the second frame-body-bodies has a pivoting end pivotally connected to the base and a free end being swingable. The guiding assembly has a rail disposed at the first frame-body and a guiding unit disposed at the second frame-body and movable along the rail. The first spring plunger has a mount fixed to the first frame-body and a spring plunger fixed to the second frame-body. The chair has a seat pivotally connected to one of the first and the second frame-body-bodies. Wherein, a plunger body of the spring plunger is able to engage with an engaging hole of the mount to keep the foldable frame expanded.
Claims13
A foldable mobility aid comprising:
- a base having a front end and a rear end opposite each other;
- a stem disposed at the front end of the base;
- at least three wheels, two of the at least three wheels rotatably disposed at the rear end of the base, the rest of the at least three wheels rotatably disposed at the stem;
- a foldable frame having
- a first frame-body having a pivoting end and a free end opposite to each other in position, the pivoting end of the first frame-body pivotally connected to the base, and the free end of the first frame-body swingable toward the front end and the rear end of the base;
- a second frame-body having a pivoting end and a free end opposite to each other in position, the pivoting end of the second frame-body pivotally connected to the base, and the free end of the second frame-body swingable toward the front end and the rear end of the base;
- a guiding assembly having
- a rail disposed at the first frame-body and extending to the pivoting end and the free end of the first frame-body;
- and
- a guiding unit disposed at the second frame-body and movable along the rail;
- a first spring-plunger assembly having
- a mount fixed to the first frame-body and having an engaging hole;
- and
- a spring plunger fixed to the second frame-body and having a plunger body configured to engage with the engaging hole;
- and
- a chair having a seat pivotally connected to one of the first frame-body and the second frame-body.
Dependencies are inferred from the claim text.