초록 ▼

The commonplace laterally collapsible wheelchair is rendered more convenient and versatile by the addition thereto of several add-on attachments which can be readily installed by the purchaser of the chair at minimum cost and without structural alteration of the basic wheelchair. One or more of the

The commonplace laterally collapsible wheelchair is rendered more convenient and versatile by the addition thereto of several add-on attachments which can be readily installed by the purchaser of the chair at minimum cost and without structural alteration of the basic wheelchair. One or more of the attachments can be sold in “do-it-yourself”kits. The attachments include a chair width adjustment, curb climbing wheels, a quick removable seat back, wheel spoke protectors and a front wheel adjuster to compensate for inclines during use of the wheelchair.

대표청구항 ▼

In a wheelchair of the folding type having substantially vertical side frame sections, main wheels journaled on the side frame sections, front caster wheels and footrest means, the improvement comprising a quick detachable backrest extending between and connected with said side frame sections, said

In a wheelchair of the folding type having substantially vertical side frame sections, main wheels journaled on the side frame sections, front caster wheels and footrest means, the improvement comprising a quick detachable backrest extending between and connected with said side frame sections, said backrest including a backrest web extending between handle bar extensions of the side frame sections, coupling devices clampingly secured to said handle bar extensions, coacting quick release coupling devices secured to opposite ends of said web, and the first-named coupling devices including a coupling part on each handle bar extension having headed studs, the second-named coupling devices comprising at each end portion of said web opposing web clamping bars having registering quick release openings for the headed studs formed therein, said web being apertured to receive said studs, and a lifting extension on one of the clamping bars.