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US 5,938,283 AGranted
Wheelchair compatible lawn swing
OwnerMartin Babcock, George Knutseninventors
Life of this patent
Estimating the term…
Abstract
A free-standing lawn swing having a fold down platform which permits access by wheelchair bound users. A ramp platform pivots from a support platform. A crank arm linkage raises and lowers the ramp platform between reclined, loading, and raised, safety positions. A ground ramp section mates to the ramp platform.
Claims13
A lawn swing comprising:
- a) a free standing framework;
- b) first and second platforms supported to pivot from said framework;
- and
- c) hinge means for securing said first platform to said second platform to rotate between an upright, safety position and a reclined, access position, wherein a gear driven linkage interconnects said first and second platforms, and wherein a crank arm is operable by a wheelchair bound user from either the ground or the second platform to rotate the first platform, whereby the wheelchair bound user can access the second platform via the first platform at said access position and is restrained to said second platform at said safety position.
1 more element
A lawn swing comprising:
- a) a free standing framework including a plurality of vertical columns and means for supporting said vertical columns to pivot from said framework;
- b) a bench seat and a footrest platform mounted to a plurality of said vertical columns;
- c) a wheelchair support platform mounted parallel to said footrest platform;
- d) an access platform;
- and
- e) hinge means for securing said access platform to said wheelchair support platform to rotate between an upright position and a reclined position, wherein a pivot arm and a gear drive means are interconnected at a pivot axis of said access platform, and wherein a hand operated crank arm is coupled to said gear drive means and operable to rotate said access platform by a wheelchair bound user from either the ground or the support platform, whereby the wheelchair bound user can access the support platform via the access platform at said reclined position and be restrained to said support platform at the upright position.
3 more elements
A lawn swing comprising:
- a) a free standing framework;
- b) first and second platforms supported to pivot from said framework;
- and
- c) a pivot pin and a pivot arm coaxially mounted along a pivot axis of said first platform, wherein said pivot arm is coupled to a gear drive means and a hand operated crank arm extends from said gear drive means and is operable by a wheelchair bound user from either the ground or the second platform for rotating said pivot arm and said first platform between an upright, safety position, and a reclined, access position.
1 more element
Dependencies are inferred from the claim text.