Adjustable form for poured concrete construction

Claim 2

An adjustable form for poureD concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, first and second end walls engageable with the opposite end portions of the sidewalls, the first end wall engaging against the extreme ends of said sidewalls at one end of the form, and means directly engaged between the first end wall and the adjacent sidewalls for effecting a clamping of the first end wall to the sidewalls.

Claim 3

The form of claim 1 including alignable sleeves on said sidewalls and said first end wall, and elongated alignment pins engageable through said sleeves for an alignment of said first end wall with said sidewalls, said means for clamping said first end wall to said sidewalls comprising adjustable bolts pivotally mounted on said first end wall and bolt-receiving means on said sidewalls for rotatably receiving and retaining said bolts.

Claim 4

The form of claim 1 wherein the second end wall is slidably received between the sidewalls at the opposed end portion of the form from the first end wall, and rigid brace means engaged between the sidewalls and the second end wall for releasably fixing the second end wall in a predetermined position between said sidewalls.

Claim 5

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, said support means extending laterally beyond said sidewalls, said adjusting means comprising longitudinally adjustable elongated rigid braces engaged between the outer end portions of said support means and the lower portions of said sidewalls, said support means comprising a plurality of spaced transversely extending crossbeams, and vertically elongated column units fixed to he sidewalls vertically thereacross and extending thereabove to intersect said crossbeams, said connecting means comprising removable transversely extending pins engaged through the column units and the crossbeams, said column units projecting vertically above the crossbeams, said column units including means on the upper end portions thereof, in spaced relation above the crossbeams, for engagement with overhead lift equipment.

Claim 6

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, said support means extending laterally beyond said sidewalls, said adjusting means comprising longitudinally adjustable elongated rigid braces engaged between the outer end portions of said support means and the lower portions of said sidewalls, said support means comprising a plurality of spaced transversely extending crossbeams, and vertically elongated column units fixed to he sidewalls vertically thereacross and extending thereabove to intersect said crossbeams, said connecting means comprising removable transversely extending pins engaged through the column units and the crossbeams, said column units projecting vertically above the crossbeams, said column units including means on the upper end portions thereof, in spaced relation above the crossbeams, for engagement with overhead lift equipment.

Claim 7

The form of claim 1 including stop means limiting the pivotal swinging of said sidewalls to a first substantially vertical position parallel to each other and a second outwardly moved position.

Claim 8

The form of claim 1 including vertically elongated column units fixed to the sidewalls vertically thereacross and extending thereabove to intersect said crossbeams, said connecting means comprising removable transversely extending pins engaged through the column units and the crossbeams, said column units projecting vertically above the crossbeams, said column units including means on the upper end portions thereof, in spaced relation above the crossbeams, for engagement with overhead lift equipment.

Claim 9

The form of claim 1 including a wide bearing shoe fixed to the lower edge of each sidewall along the full length thereof and projecting laterally outward therefrom to define a support for the form.

Claim 10

The form of claim 7 wherein said form is self-supporting.

Claim 11

The form of claim 1 wherein said form is self-supporting.

Claim 12

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged beTween said sidewalls and said support means for pivotally adjusting said sidewalls, said support means comprising a plurality of spaced transversely extending crossbeams, vertically elongated column units fixed to the sidewalls vertically thereacross and extending thereabove to intersect said crossbeams, said connecting means comprising removable transversely extending pins engaged through the column units and the crossbeams, said column units projecting vertically above the crossbeams, said column units including means on the upper end portions thereof, in spaced relation above the crossbeams, for engagement with overhead lift equipment.

Claim 13

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged beTween said sidewalls and said support means for pivotally adjusting said sidewalls, said support means comprising a plurality of spaced transversely extending crossbeams, vertically elongated column units fixed to the sidewalls vertically thereacross and extending thereabove to intersect said crossbeams, said connecting means comprising removable transversely extending pins engaged through the column units and the crossbeams, said column units projecting vertically above the crossbeams, said column units including means on the upper end portions thereof, in spaced relation above the crossbeams, for engagement with overhead lift equipment.

Claim 14

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, and a wide bearing shoe fixed to the lower edge of each sidewall along the full length thereof and projecting laterally outward therefrom to define a support for the form.

Claim 15

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for pivotal swinging of said sidewalls toward and away from each other, adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, and a wide bearing shoe fixed to the lower edge of each sidewall along the full length thereof and projecting laterally outward therefrom to define a support for the form.

Claim 16

The form of claim 11 wherein said form is self-supporting.

Claim 17

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, and adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, said form being self-supporting.

Claim 18

An adjustable form for poured concrete construction comprising a pair of laterally spaced form sidewalls, support means overlying said walls, connecting means pivotally securing said sidewalls to said support means for a pivotal swinging of said sidewalls toward and away from each other, and adjusting means engaged between said sidewalls and said support means for pivotally adjusting said sidewalls, said form being self-supporting.