Clutch pads

Claim 2

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising: outer ply means having an outer surface for engaging the sling and the outer ply means also having an inner surface; inner ply means having an outer surface for engaging the load, the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface, said two inner surfaces facing one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and slide permitting means on said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 3

A construction in accordance with claim 1 wherein said slide permitting means comprises a plurality of ply means.

Claim 4

A construction in accordance with claim 1 wherein the inner and outer plys and said slide permitting means are formed so that the pad is L-shaped and further including means to maintain the L-shaped condition.

Claim 5

In combination, a sling to be disposed around the underside of a load and at least one clutch pad interposed between the load and the sling and maintaining the load and the sling spaced from and out of direct contact with one another and the pad having a plurality of members capable of sliding motion relative to each other and thereby providing for relative sliding motion between the load and the sling while spaced from one another and one of said members being in contact with the load and constructed to be capable of moving with the load when the load moves, said relative sliding motion between the sling and the load while spaced from one another providing that the movement of the load does not cut or abraid at least the sling material.

Claim 6

In combination, a sling to be disposed around the underside of a load and at least one clutch pad interposed between the load and the sling and maintaining the load and the sling spaced from and out of direct contact with one another and the pad having a plurality of members capable of sliding motion relative to each other and thereby providing for relative sliding motion between the load and the sling while spaced from one another and one of said members being in contact with the load and constructed to be capable of moving with the load when the load moves, said relative sliding motion between the sling and the load while spaced from one another providing that the movement of the load does not cut or abraid at least the sling material.

Claim 7

A construction in accordance with claim 4 wherein each said member is constructed of substantially flat, elongated, flexible webbing.

Claim 8

A sling clutch pad for use between a load and an overhead sling for lifting the load, the pad permitting relative sliding motion between the load and the sling without the load and the sling being in direct engagement, the pad comprising: a first ply comprising a generally flat, elongated piece of webbing having a coating of abrasive resistant material; a second ply comprising a generally flat, elongted piece of webbing having a coating of abrasive resistant material; a third ply comprising a generally flat, elongated piece of webbing having a coating of abrasive resistant material; a second flexible tie strap connected to the opposite corresponding ends of said plys, and having an extension for use in securing the pad in position, the straps providing for the plys to be folded one over the other whereby one ply is between the other two.

Claim 9

A sling clutch pad for use between a load and an overhead sling for lifting the load, the pad permitting relative sliding motion between the load and the sling without the load and the sling being in direct engagement, the pad comprising: a first ply comprising a generally flat, elongated piece of webbing having a coating of abrasive resistant material; a second ply comprising a generally flat, elongted piece of webbing having a coating of abrasive resistant material; a third ply comprising a generally flat, elongated piece of webbing having a coating of abrasive resistant material; a second flexible tie strap connected to the opposite corresponding ends of said plys, and having an extension for use in securing the pad in position, the straps providing for the plys to be folded one over the other whereby one ply is between the other two.

Claim 10

A sling clutch pad for use between a load and a sling, the pad permitting relative motion between the load and the sling, the pad comprising: an outer ply, the outer ply being for use in engaging the sling; an inner ply, the inner ply being for use in engaging the load and constructed for the engagement to provide that when the load moves the inner ply is capable of moving with it; a plurality of intermediate plys respectively disposed between the inner and outer plys, the outer, inner and intermediate plys maintaining the load and the sling spaced from and out of direct contact with one another and the intermediate plys being constructed so as to be capable of sliding motion relative to one another and with the inner ply when the sling and pad are in lifting condition to thereby provide for relative sliding motion between the load and the sling without the load and the sling being in direct contact; and flexible connector means connecting the outer, inner and intermediate plys together while permitting said sliding motion.

Claim 11

A sling clutch pad for use between a load and a sling, the pad permitting relative motion between the load and the sling, the pad comprising: an outer ply, the outer ply being for use in engaging the sling; an inner ply, the inner ply being for use in engaging the load and constructed for the engagement to provide that when the load moves the inner ply is capable of moving with it; a plurality of intermediate plys respectively disposed between the inner and outer plys, the outer, inner and intermediate plys maintaining the load and the sling spaced from and out of direct contact with one another and the intermediate plys being constructed so as to be capable of sliding motion relative to one another and with the inner ply when the sling and pad are in lifting condition to thereby provide for relative sliding motion between the load and the sling without the load and the sling being in direct contact; and flexible connector means connecting the outer, inner and intermediate plys together while permitting said sliding motion.

Claim 12

A construction in accordance with claim 9 wherein at least the inner ply is constructed to be softer than the intermediate plys.

Claim 13

A construction in accordance with claim 8 wherein the outer, inner and intermediate plys are each comprised of a generally flat, elongated piece of webbing.

Claim 14

A construction in accordance with claim 9 further including two pairs of flexible tie straps respectively secured to the connector by extending from the end of the connector inwardly toward the center and terminating in a free end for use in tying the pad in position for lifting.

Claim 15

A sling clutch pad for use between a load and an overhead sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the pad comprising:

Claim 16

A sling clutch pad for use between a load and an overhead sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the pad comprising:

Claim 17

L-shaped outer ply means having an outer surface for engaging the sling and the ply also having an inner surface; L-shaped inner ply means having an outer surface for engaging the load, the outer surface engagement holding the inner ply against the load so that when the load moves the inner ply moves with it and the ply also having an inner surface, said two inner surfaces facing one another when the outer ply engages the sling and the inner ply engages the load for lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; L-shaped, slide permitting means disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer ply menas and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact; and retainer means connected with one of said ply means and operative to maintain said L-shaped condition.

Claim 18

L-shaped outer ply means having an outer surface for engaging the sling and the ply also having an inner surface; L-shaped inner ply means having an outer surface for engaging the load, the outer surface engagement holding the inner ply against the load so that when the load moves the inner ply moves with it and the ply also having an inner surface, said two inner surfaces facing one another when the outer ply engages the sling and the inner ply engages the load for lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; L-shaped, slide permitting means disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer ply menas and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact; and retainer means connected with one of said ply means and operative to maintain said L-shaped condition.

Claim 19

A construction in accordance with claim 11 wherein said retainer means is rigid coating of polyurethane on one of said ply means.

Claim 20

A construction in accordance with claim 11 wherein said retainer means is a metal member.

Claim 21

A construction in accordance with claim 11 wherein said slide permitting means comprises at least one intermediate ply means.

Claim 22

A construction in accordance with claim 14 further including flexible connector means connecting the inner, outer and intermediate plys together while permitting said sliding motion.

Claim 23

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising; outer ply means having an outer surface for engaging the sling and the outer ply means also having an inner surface: inner ply means having an outer surface for engaging the load, the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and slide permitting intermediate ply means disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 24

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising; outer ply means having an outer surface for engaging the sling and the outer ply means also having an inner surface: inner ply means having an outer surface for engaging the load, the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and slide permitting intermediate ply means disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 25

A construction in accordance with claim 16 wherein said slide permitting intermediate ply means comprises at least one ply means and wherein the outer and inner ply means are constructed to be softer than said intermediate ply means.

Claim 26

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising: outer ply means constructed of nylon webbing and having an outer surface for engaging the sling and the outer ply means also having an inner surface, the inner surface having an abrasive resistant coating: inner ply means constructed of nylon webbing and having an outer surface for engaging the load the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface having an abrasive resistant coating, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and intermediate ply means constructed of nylon webbing and being disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 27

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising: outer ply means constructed of nylon webbing and having an outer surface for engaging the sling and the outer ply means also having an inner surface, the inner surface having an abrasive resistant coating: inner ply means constructed of nylon webbing and having an outer surface for engaging the load the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface having an abrasive resistant coating, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and intermediate ply means constructed of nylon webbing and being disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 28

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising: outer ply means constructed of substantially flat, elongated, flexible webbing and having an outer surface for engaging the sling and the outer ply means also having an inner surface; inner ply means constructed of substantially flat, elongated, flexible webbing and having an outer surface for engaging the load, the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and slide permitting intermediate ply means constructed of substantially flat, elongated, flexible webbing and disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.

Claim 29

A sling clutch pad for use between a load and a sling for lifting the load, the pad permitting relative sliding motion between the load and the sling, the clutch pad comprising: outer ply means constructed of substantially flat, elongated, flexible webbing and having an outer surface for engaging the sling and the outer ply means also having an inner surface; inner ply means constructed of substantially flat, elongated, flexible webbing and having an outer surface for engaging the load, the outer surface providing for an engagement which, when the load moves, renders the inner ply capable of moving with it and the inner ply also having an inner surface, said two inner surfaces being disposed to face one another when the outer ply engages the sling and the inner ply engages the load for the lifting operation and the plys maintaining the load and the sling spaced from and out of direct contact with one another; and slide permitting intermediate ply means constructed of substantially flat, elongated, flexible webbing and disposed between said inner surfaces and operative when the sling and pad are in lifting condition to permit relative sliding motion between the inner and outer plys and thereby provide for relative sliding motion between the load and the sling without the load and sling being in direct contact.