Tool for cutting, joining and disconnecting bell and spigot pipes

Claim 2

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, said one clamping member includes a housing having a bore in which is slidably received said elongated member, and said cooperative means are defined by aperture means in said housing opening into said bore and in alignment with aperture means in said elongated member whereby a tool can be positioned into selected pairs of said aperture means and a force applied thereto for sliding said one clamping member relative to said elongated member.

Claim 3

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respecTively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, and means carried by at least one of said clamping members for adjusting the alignment of a pipe clamped thereto with a pipe clamped to said other clamping member.

Claim 4

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respecTively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, and means carried by at least one of said clamping members for adjusting the alignment of a pipe clamped thereto with a pipe clamped to said other clamping member.

Claim 5

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, said first clamping member includes a housing, a bore in said housing, said first clamping means includes a screw threadably secured to a thread of said bore, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means, a movable clamping jaw carried by said housing, and means for securing another link of said clamping chain to said clamping jaw.

Claim 6

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, said first clamping member includes a housing, a bore in said housing, said first clamping means includes a screw threadably secured to a thread of said bore, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means, a movable clamping jaw carried by said housing, and means for securing another link of said clamping chain to said clamping jaw.

Claim 7

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, wherein said first clamping member includes a housing, a bore in said housing, said first clamping means includes a screw threadably secured to a thread of said bore, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means, a clamping jaw pivotally carried by said housing, and means for securing another link of said clamping chain to said clamping jaw.

Claim 8

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, wherein said first clamping member includes a housing, a bore in said housing, said first clamping means includes a screw threadably secured to a thread of said bore, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means, a clamping jaw pivotally carried by said housing, and means for securing another link of said clamping chain to said clamping jaw.

Claim 9

The tool as defined in claim 1 wherein said first clamping member includes another bore in said housing, said first clamping means includes a screw threadably secured to a thread of said another bore, said screw having an exterior head provided with aperture means to receive a tool for rotating said screw, and an end of said scRew opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means.

Claim 10

The tool as defined in claim 5 including a clamping jaw pivotally carried by said housing, and means for securing another link of said clamping chain to said clamping jaw.

Claim 11

The tool as defined in claim 1 wherein said other clamping member includes a housing having a threaded bore, said second clamping means includes a screw threadably secured to said last-mentioned bore, said screw having an exterior head provided with aperture means to receive a tool for rotating said screw, and an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby relative rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said second clamping means.

Claim 12

The tool as defined in claim 1 wherein said other clamping member includes a housing having a threaded bore, said second clamping means includes a screw threadably secured to said last-mentioned bore, said screw having an exterior head provided with aperture means to receive a tool for rotating said screw, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby relative rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said second clamping means, said housing having a further bore adapted to receive a handle, and said further bore including slot means for securing another link of said clamping chain thereto.

Claim 13

The tool as defined in claim 1 wherein said other clamping member includes a housing having a threaded bore, said second clamping means includes a screw threadably secured to said last-mentioned bore, said screw having an exterior head provided with aperture means to receive a tool for rotating said screw, an end of said screw opposite said head having hook means for connecting said screw to a chain link of a clamping chain whereby relative rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said second clamping means, said housing having a tubular handle, and means connecting said chain to said handle.

Claim 14

The tool as defined in claim 9 wherein said connecting means includes pipe cutting means housed within said handle.

Claim 15

The tool as defined in claim 9 wherein said connecting means includes pipe cutting means housed within said handle, one clamping member includes a tubular last-mentioned handle, and pipe cutting means housed within said handle.

Claim 16

The tool as defined in claim 11 wherein said pipe cutting means is a flexible member carrying a plurality of cutting elements.

Claim 17

The tool as defined in claim 11 including means for retractably supporting said cutting means within said handle.

Claim 18

The tool as defined in claim 12 including means for retractably supporting said flexible member within said handle.

Claim 19

The tool as defined in claim 14 including means for selectively adjusting said supporting means to expose predetermined lengths of said flexible member outwardly of said housing.

Claim 20

The tool as defined in claim 15 wherein said adjusting means includes pin means carried by said flexible member for selective engagement in any one of a plurality of apertures in said handle.

Claim 21

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying Means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, one of said first and second clamping members including a housing, a bore in said housing, said one clamping member including a screw threadably secured to a thread of said bore, and an end of said screw opposite said head having hook means for releasably connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means.

Claim 22

A tool for assembling and disassembling bell and spigot pipes comprising first and second clamping members each having respective first and second clamping means for clamping securement thereof to a pair of contiguous generally axially aligned pipes, means for guiding said clamping members toward and away from each other to respectively assemble and disassemble said pipes, means for applying a relative force between said clamping members during the guiding thereof, said force applying Means being at least in part defined by said guiding means and including an elongated member slidably mounted relative to one of said clamping members and fixedly secured to the other of said clamping members, cooperative means for applying a force to slide said one clamping member relative to said elongated member both toward and away from said other clamping member to respectively assemble and disassemble said pipes, one of said first and second clamping members including a housing, a bore in said housing, said one clamping member including a screw threadably secured to a thread of said bore, and an end of said screw opposite said head having hook means for releasably connecting said screw to a chain link of a clamping chain whereby selective rotation imparted to said screw through the head thereof is effective to selectively loosen and tighten said first clamping means.

Claim 23

The tool as defined in claim 17 including means carried by at least one of said first and second clamping members for adjusting the alignment of a pipe clamped thereto with a pipe clamped to the remainder of said first and second clamping members.

Claim 24

The tool as defined in claim 17 wherein said housing of said one clamping member includes additional means for releasably connecting another chain link of the clamping chain thereto.

Claim 25

The tool as defined in claim 19 including means carried by at least one of said clamping members for adjusting the alignment of a pipe clamped thereto relative to a pipe clamped to the remaining clamping member.