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US 6,471,220 B1Granted
Cart and stand for supporting and transporting metal working apparatus
AssigneeEmerson Electric Co.
InventorLarry F. Babb
Life of this patent
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AssigneeEmerson Electric Co.
InventorLarry F. Babb
Estimating the term…
A combined cart and stand comprising a base for supporting a power driven threading machine and having a pair of wheels for supporting the base and machine for rolling movement along an underlying surface. Three legs are interconnected with the base for displacement between first and second positions relative to the base, and, in the first position, the legs and base provide a tripod stand engaging an underlying surface to support the base and machine in a use position spaced above the underlying surface. In the second position, two of the legs provide handles and the third leg is folded and stored relative to the base providing a cart having wheels which engage the underlying surface such that the base and machine can be inclined relative to the surface and supported by the wheels for rolling movement therealong.
A cart and stand for supporting metal working apparatus comprising a base, a pair of wheels directly mounted on said base for supporting said base for rolling movement along an underlying surface, first, second and third legs each having first and second ends, said first ends being interconnected with said base for displacement of the corresponding leg between first and second positions relative to said base, said first, second and third legs in said first position providing a tripod with said base for said second ends of said legs to engage an underlying surface and support said base in a position spaced above the underlying surface, said first and second legs in said second position providing handles and said third leg in said second position being stored relative to said base for said pair of wheels to engage the underlying surface, whereby said base can be inclined relative to the underlying surface by lifting said handles and supported by said wheels for rolling movement along the surface.
A cart and stand comprising a base for supporting metal working apparatus, a pair of wheels on said base for supporting said base for rolling movement along an underlying surface, first, second and third legs each having first and second ends, said first ends being interconnected with said base for displacement of the corresponding leg between first and second positions relative to said base, said first, second and third legs in said first position providing a tripod with said base for said second ends of said legs to engage an underlying surface and support said base in a position spaced above the underlying surface, said first and second legs in said second position providing handles and said third leg in said second position being stored relative to said base for said pair of wheels to engage the underlying surface, whereby said base can be inclined relative to the underlying surface by lifting said handles and supported by said wheels for rolling movement along the surface, said third leg comprising first and second leg members having outer and inner ends, means interconnecting said inner ends for said leg members to be displaceable relative to one another between extended and collapsed positions, means for releasably holding said leg members in said collapsed position, and means for biasing said leg members from said collapsed position toward said extended position.
A cart and stand comprising a base for supporting metal working apparatus, a pair of wheels on said base for supporting said base for rolling movement along an underlying surface, first, second and third legs each having first and second ends, said first ends being interconnected with said base for displacement of the corresponding leg between first and second positions relative to said base, said first, second and third legs in said first position providing a tripod with said base for said second ends of said legs to engage an underlying surface and support said base in a position spaced above the underlying surface, said first and second legs in said second position providing handles and said third leg in said second position being stored relative to said base for said pair of wheels to engage the underlying surface, whereby said base can be inclined relative to the underlying surface by lifting said handles and supported by said wheels for rolling movement along the surface, said third leg comprising first and second leg members having outer and inner ends, and means interconnecting said inner ends for said leg members to be displaceable relative to one another between extended and collapsed positions, said means interconnecting said inner ends of said leg members including means interconnecting said inner ends for pivotal displacement of said leg members between folded and unfolded conditions respectively providing said collapsed and said extended positions.
A cart and stand for supporting metal working apparatus comprising a base, said base comprising a plate having front and rear ends and laterally opposite sides between said ends, first and second leg supports each depending from said plate adjacent said front end and a different one of said opposite sides, a third leg support depending from said plate adjacent said rear end and intermediate said opposite sides, a pair of wheel supports each depending from said plate adjacent said rear end and a different one of said opposite sides, a wheel directly mounted on each wheel support for rotation about an axis extending in the direction between said opposite sides, first, second and third legs, said first, second and third leg supports including means interengaging with said first, second and third legs respectively for selectively supporting said first, second and third legs in first and second positions relative to said plate, each of said legs in said first position extending downwardly from said plate for supporting the base above an underlying surface, said first and second legs in said second position thereof each extending forwardly of said front end of said plate, and said third leg in said second position thereof extending forwardly from said rear end of said plate between said wheels, whereby said wheels can engage the underlying surface and said plate can be inclined relative to the underlying surface and supported by said wheels for rolling movement therealong.
A cart and stand comprising a base for supporting metal working apparatus, said base comprising a plate having front and rear ends and laterally opposite sides between said ends, first and second leg supports each depending from said plate adjacent said front end and a different one of said opposite sides, a third leg support depending from said plate adjacent said rear end and intermediate said opposite sides, a pair of wheel supports each depending from said plate adjacent said rear end and a different one of said opposite sides, a wheel supported on each wheel support for rotation about an axis extending in the direction between said opposite sides, first, second and third leg supports, and third leg supports including means interengaging with said first, second and third legs respectively for selectively supporting said first, second and third legs in first and second positions relative to said plate, each of said legs in said first position extending downwardly from said plate for supporting the base above an underlying surface, said first and second legs in said second position thereof each extending forwardly of said front end of said plate, and said third leg in said second position thereof extending forwardly from said rear end of said plate between said wheels, whereby said wheels can engage the underlying surface and said plate can be inclined relative to the underlying surface and supported by said wheels for rolling movement therealong, said means interengaging with said first, second and third legs including first and second recesses on each said first, second and third leg supports respectively extending downwardly relative to said plate and generally parallel to said plate.
A cart and stand comprising a base for supporting metal working apparatus, said base comprising a plate having front and rear ends and laterally opposite sides between said ends, first and second leg supports each depending from said plate adjacent said front end and a different one of said opposite sides, a third leg support depending from said plate adjacent said rear end and intermediate said opposite sides, a pair of wheel supports each depending from said plate adjacent said rear end and a different one of said opposite sides, a wheel supported on each wheel support for rotation about an axis extending in the direction between said opposite sides, first, second and third leg supports, said first, second and third leg supports including means interengaging with said first, second and third legs respectively for selectively supporting said first, second and third legs in first and second positions relative to said plate, each of said legs in said first position extending downwardly from said plate for supporting the base above an underlying surface, said first and second legs in said second position thereof each extending forwardly of said front end of said plate, said third leg in said second position thereof extending forwardly from said rear end of said plate between said wheels, whereby said wheels can engage the underlying surface and said plate can be inclined relative to the underlying surface and supported by said wheels for rolling movement therealong, said third leg comprising first and second leg members having outer and inner ends, means interconnecting said inner ends for said leg members to be displaceable relative to one another between extended and collapsed positions, means for releasably holding said leg members in said collapsed position, and means for biasing said leg members from said collapsed position toward said extended position.
A cart and stand comprising a base for supporting metal working apparatus, said base comprising a plate having front and rear ends and laterally opposite sides between said ends, first and second leg supports each depending from said plate adjacent said front end and a different one of said opposite sides, a third leg support depending from said plate adjacent said rear end and intermediate said opposite sides, a pair of wheel supports each depending from said plate adjacent said rear end and a different one of said opposite sides, a wheel supported on each wheel support for rotation about an axis extending in the direction between said opposite sides, first, second and third legs, said first, second and third leg supports including means interengaging with said first, second and third legs respectively for selectively supporting said first, second and third legs in first and second positions relative to said plate, each of said legs in said first position extending downwardly from said plate for supporting the base above an underlying surface, said first and second legs in said second position thereof each extending forwardly of said front end of said plate, said third leg in said second position thereof extending forwardly from said rear end of said plate between said wheels, whereby said wheels can engage the underlying surface and said plate can be inclined relative to the underlying surface and supported by said wheels for rolling movement therealong, said third leg comprising first and second leg members having outer and inner ends, and means interconnecting said inner ends for said leg members to be displaceable relative to one another between extended and collapsed positions, said means interconnecting said inner ends of said leg members including means interconnecting said inner ends for pivotal displacement of said leg members between folded and unfolded conditions respectively providing said collapsed and said extended positions.
Dependencies are inferred from the claim text.