Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
169 words
A portable load hoist, comprising a column having a cableguiding part and an upright part, an upright socket unit removably mounting and guiding said upright part for swing about a vertical axis, a tubular guide collar disposed coaxially of and substantially spaced above the top of said socket unit to further guide said upright part for said swing, and bracing strut means for said collar to mount the latter to a horizontal support when in said coaxially spaced relation to the collar, as on a support at the floor of a vehicle, said upright socket unit comprising an upstanding tubular element secured to the floor of the vehicle, an elongated tubular extension sleeve carried by said tubular element, said extension sleeve having a length greater than the length of said tubular element, with the upper end of said extension sleeve being adapted to rotatably support the upright part of said column, a cylindrical connecting element being interposed between said tubular extension sleeve and the upright part of said column.
Claim 2
Dependent Claim
169 words
A portable load hoist, comprising a column having a cableguiding part and an upright part, an upright socket unit removably mounting and guiding said upright part for swing about a vertical axis, a tubular guide collar disposed coaxially of and substantially spaced above the top of said socket unit to further guide said upright part for said swing, and bracing strut means for said collar to mount the latter to a horizontal support when in said coaxially spaced relation to the collar, as on a support at the floor of a vehicle, said upright socket unit comprising an upstanding tubular element secured to the floor of the vehicle, an elongated tubular extension sleeve carried by said tubular element, said extension sleeve having a length greater than the length of said tubular element, with the upper end of said extension sleeve being adapted to rotatably support the upright part of said column, a cylindrical connecting element being interposed between said tubular extension sleeve and the upright part of said column.
Claim 3
Dependent Claim
28 words
The hoist of claim 1, in which said bracing strut means comprises at least one elongated strut pivotally connected adjacent a top thereof to said column guide collar.
Claim 4
Dependent Claim
49 words
The hoist of claim 1, in which said bracing strut means comprises at least one elongated strut pivotally connected adjacent a top thereof to said column guide collar, the strut having means adjacent the bottom thereof for rigidly but removably mounting the same to said floor or like support.
Claim 5
Dependent Claim
26 words
The hoist of claim 1, in which said upright tubular element has means to mount the same rigidly but removably on the floor or like support.
Claim 6
Dependent Claim
36 words
The hoist of claim 1, in which said cable-guiding part extends laterally at an angle to said upright column part and the latter carries drum means for winding a load cable guided by said first-named part.
Claim 7
Dependent Claim
97 words
The hoist of claim 2, in which said cable-guiding part extends laterally at an angle to said upright column part and the latter carries drum means for winding a load cable guided by said first named part, said bracing strut means comprising at least two elongated struts each pivotally connected adjacent a top thereof to said column guide collar, the strut having means adjacent the bottom thereof for rigidly but removably mounting the same to the floor or like support, said socket having means to mount the same rigidly but removably on the floor or like support.