Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
231 words
A multi-purpose infant's wheeled chair comprising a downwardly arched base member having the front and rear ends directed upwardly, front wheel support rods having one end pivoted to said front end of the base member and rotatably supporting front wheels at the other ends, rear wheel support rods having one end pivoted to said rear end of the base member and rotatably supporting rear wheels at the other ends, sector members provided at said front end of the base member receiving the front end of said base member, chair body support rods having the front ends received in said sector members and the rear ends extending from said sector members toward said rear end of the base member, a chair body slidably supported on the opposite sides by said chair body support rods, a back rest hinged to said chair body for pivotal movement between upright and horizontal positions, a head cover detachably connected to said back rest, a back rest upholding rod pivoted to said rear end of the base member for movement between the upright back rest supporting position and the horizontal position and engaging means provided on said base member and sector members for engaging said front and rear wheel support rods to selectively maintain the front and rear wheels supported by the wheel support rods in the operative and stowage positions pivoted positions thereof under stabilized conditions.
Claim 2
Dependent Claim
231 words
A multi-purpose infant's wheeled chair comprising a downwardly arched base member having the front and rear ends directed upwardly, front wheel support rods having one end pivoted to said front end of the base member and rotatably supporting front wheels at the other ends, rear wheel support rods having one end pivoted to said rear end of the base member and rotatably supporting rear wheels at the other ends, sector members provided at said front end of the base member receiving the front end of said base member, chair body support rods having the front ends received in said sector members and the rear ends extending from said sector members toward said rear end of the base member, a chair body slidably supported on the opposite sides by said chair body support rods, a back rest hinged to said chair body for pivotal movement between upright and horizontal positions, a head cover detachably connected to said back rest, a back rest upholding rod pivoted to said rear end of the base member for movement between the upright back rest supporting position and the horizontal position and engaging means provided on said base member and sector members for engaging said front and rear wheel support rods to selectively maintain the front and rear wheels supported by the wheel support rods in the operative and stowage positions pivoted positions thereof under stabilized conditions.
Claim 3
Dependent Claim
42 words
The multi-purpose infant's wheeled chair as set forth in claim 1, in which said back rest upholding rod is received under stabilized condicions in a clearance defined between opposite projections provided on the back of the rear wall of said back rest.
Claim 4
Dependent Claim
51 words
The multi-purpose infant's wheeled chair as set forth in claim 2, in which said side walls of the chair body are provided with aligned slots through which said threaded fastening rod extends and said slots and fastening rod provide means for limiting the back and forth movement of the chair body.
Claim 5
Dependent Claim
294 words
A multi-purpose infant's wheeled chair comprising a substantially U-shaped base member including a pair of opposite and parallel downwardly arched longitudinal legs connected together at the rear ends by a transverse arm, a pair of sector members having lower holes along the lower edges for receiving the front ends of said legs of the base member, said sector members further including upper holes along the upper edges extending at an angle with respect to said lower holes, a pair of front wheel support rods pivoted at one end to said front ends of the base member legs and rotatably supporting front wheels at the other ends, a pair of chair body support rods having the front ends received in said upper holes in the sector members and the rear ends extending rearwardly and upwardly from the sector members, a movable chair body supported by said pair of chair body support rods for movement back and forth and including a pair of opposite side walls and a rear wall, a back rest secured to the rear ends of said pair of chair support rods and hinged to said chair body for pivotal movement between substantially upright and substantially horizontal positions, a substantially U-shaped back rest upholding rod having opposite legs pivoted to said legs of the base member for movement between a substantially upright position in which the back rest support rod supports said back rest in the horizontal position and a substantially horizontal position in which the back rest rod lies on the base member, a head cover detachably secured to said back rest and a pair of rear wheel support rods pivoted at one end to said rear ends of the base member legs and rotatably supporting rear wheels at the other ends.
Claim 6
Dependent Claim
294 words
A multi-purpose infant's wheeled chair comprising a substantially U-shaped base member including a pair of opposite and parallel downwardly arched longitudinal legs connected together at the rear ends by a transverse arm, a pair of sector members having lower holes along the lower edges for receiving the front ends of said legs of the base member, said sector members further including upper holes along the upper edges extending at an angle with respect to said lower holes, a pair of front wheel support rods pivoted at one end to said front ends of the base member legs and rotatably supporting front wheels at the other ends, a pair of chair body support rods having the front ends received in said upper holes in the sector members and the rear ends extending rearwardly and upwardly from the sector members, a movable chair body supported by said pair of chair body support rods for movement back and forth and including a pair of opposite side walls and a rear wall, a back rest secured to the rear ends of said pair of chair support rods and hinged to said chair body for pivotal movement between substantially upright and substantially horizontal positions, a substantially U-shaped back rest upholding rod having opposite legs pivoted to said legs of the base member for movement between a substantially upright position in which the back rest support rod supports said back rest in the horizontal position and a substantially horizontal position in which the back rest rod lies on the base member, a head cover detachably secured to said back rest and a pair of rear wheel support rods pivoted at one end to said rear ends of the base member legs and rotatably supporting rear wheels at the other ends.
Claim 7
Dependent Claim
58 words
The multi-purpose infant's wheeled chair as set forth in claim 4, further including a substantially U-shaped stay rod having the free ends of its opposite legs pivoted to said front ends of the base member legs for movement between stowage and operative positions in the latter of which said stay rod holds the chair in its stabilized position.
Claim 8
Dependent Claim
69 words
The multi-purpose infant's wheeled chair as set forth in claim 4, further including a threaded fastening rod extending transversely between said pair of chair body support rods through said side walls of the chair body with one end protruding out of one of the chair body support rods and receiving a knob mounted thereon so as to releasably fasten the chair body to said one chair body support rod.
Claim 9
Dependent Claim
51 words
The multi-purpose infant's wheeled chair as set forth in claim 4, in which said side walls of the chair body are provided with aligned slots through which said threaded fastening rod extends and said slots and fastening rod provide means for limiting the back and forth movement of the chair body.
Claim 10
Dependent Claim
59 words
The multi-purpose infant's wheeled chair as set forth in claim 4, in which the back of said rear wall of the back rest is provide with spaced projections for engaging the arm of said U-shaped back rest upholding rod when the back rest is in the horizontal position and the back rest upholding rod is in the upright position.
Claim 11
Dependent Claim
58 words
The multi-purpose infant's wheeled chair as set forth in claim 4, in which said opposite legs of the base member and said sector member are provided with wheel retaining means for abutting against said front and rear wheel support rods so as to releasably and selectively hold the front and rear wheels in the operative and stowage positions.