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US 9,326,572 B2Granted
Crutch assembly
AssigneeCore Consulting, LLC
InventorJesse Daily
Life of this patent
Estimating the term…
Abstract
An improved crutch assembly and walking aid is provided. The crutch assembly can be retrofitted to an existing walking aid and provides spring assisted motion. The assembly includes a ball-in-socket joint and a spring operably connecting the joint to a walking aid shaft.
Claims5
A walking aid assembly in combination with a with a walking aid having shaft with a first end and a second end, and a grip connectable to the first end of the walking aid shaft using the walking aid assembly, the walking aid assembly comprising:
- a ball-in-socket joint;
- a spring housing configured for releasable attachment to the walking aid shaft at a location away from the first end of the walking aid shaft;
- a spring mechanism configured to receive and extend around a portion of the first end of the walking aid shaft and including a first end coupled with the spring housing and a second end opposite the first end;
- a head mechanism connected with the second end of the spring mechanism and forming the ball of the ball-in-socket joint;
- and
- a mount forming the socket of the ball-in-socket joint and configured to receive and contact the head mechanism in a freely rotatable manner such that (i) a portion of the head mechanism extends outwardly from the mount, and (ii) the second end of the spring mechanism is exterior of the mount;
- wherein the walking aid shaft is freely rotatable relative to the grip, and
- wherein the grip is secured to an exterior surface of the mount.
5 more elements
Dependencies are inferred from the claim text.