CLAMPING SYSTEM
First Claim
1. A fastener for engaging the periphery of a rod comprising, a substantially planar peripheral portion, a plurality of circumferentially spaced tongues defining a central bore and all extending at an angle to the plane of the peripheral portion inwardly from the peripheral portion radially toward and in the same direction along the axis of said bore, the tongues being spaced by, and with the peripheral portion defining, recesses, each recess being larger in area than and of a shape to encompass said tongue, and orientation means consisting of an ear member extending from the peripheral portion normal to said plane and an ear receiving recess in the peripheral portion, the ear member and the ear receiving recess being equally spaced from said axis and angularly spaced apart about said axis by an angle equal to the angular spacing, about said axis, of the center of a said recess and a said tongue.
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Accused Products
Abstract
A system for clamping a first member to a second member - to be preferably used in the building art - by means of a rod passing at least through one of the members, comprising a resilient sealing member to be fit on the rod to insulate said rod from said at least one of said members, a multiclamp fastener consisting of superimposed plate member to be pressfitted on said rod above said resilient sealing member to press said resilient sealing member into sealing engagement with said one member and to retain said rod in proper position to which end said fastener has a plurality of resilient tongue members entering in clamping contact with said rod.
187 Citations
15 Claims
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1. A fastener for engaging the periphery of a rod comprising, a substantially planar peripheral portion, a plurality of circumferentially spaced tongues defining a central bore and all extending at an angle to the plane of the peripheral portion inwardly from the peripheral portion radially toward and in the same direction along the axis of said bore, the tongues being spaced by, and with the peripheral portion defining, recesses, each recess being larger in area than and of a shape to encompass said tongue, and orientation means consisting of an ear member extending from the peripheral portion normal to said plane and an ear receiving recess in the peripheral portion, the ear member and the ear receiving recess being equally spaced from said axis and angularly spaced apart about said axis by an angle equal to the angular spacing, about said axis, of the center of a said recess and a said tongue.
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2. A fastener according to claim 1, wherein the peripheral portion is annular and the ear member and receiving recess are positioned at the outer edge of the peripheral portion.
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3. A fastener according to claim 1, wherein the tongues are all identical, the recesses spacing the tongues are all identical and increase in width from said bore toward said peripheral portion, and the angle of the tongues to said plane is approximately 45*.
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4. A fastener according to claim 1, wherein each tongue increases in width from its free end to the peripheral portion.
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5. A fastener according to claim 1, wherein the angular spacing of the ear member and the ear receiving recess is a multiple of the angular spacing of the center of adjacent recesses and tongues.
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6. A fastener as claimed in claim 1, wherein the ear member and the tongues extend respectively from opposite sides of said plane.
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7. A multiclamp fastener for rods comprising at least two fasteners, each fastener comprising a substantially planar peripheral portion, a plurality of circumferentially spaced tongues defining a central bore and all extending at an angle to the plane of the peripheral portion inwardly from the peripheral portion radially toward and in the same direction along the axis of said bore, the tongues being spaced by, and with the peripheral portion defining, recesses, each recess being larger in area than and of a shape to encompass said tongue, and orientation means having complimentary parts equally spaced from said axis and angularly spaced apart about said axis by a desired angle, wherein the desired angle equals the angular spacing, about said axis, of the center of a said recess and a said tongue, and the complimentary parts comprise an ear member extending from the peripheral portion and an ear receiving recess in the peripheral portion, the fasteners in use being superimposed in coaxial relationship with the ear member of one engaging the ear receiving recess of the other thereby ensuring that the tongues of one fastener are superimposed on the recess of the other.
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8. A multiclamp fastener according to claim 7, further comprising a resilient sealing member, including a tubular body portion having a bore, said tubular body portion having a substantially cylindrical lower end portion with a constant cross sectional area bore portion and a frustoconical upper end portion with decreasing cross sectional area bore portion, decreasing towards the free end of said frustoconical upper end portion, and a wing member integral with said tubular body portion surrounding said tubular body portion at the zone of confluence of said cylindrical lower end portion and said frustoconical upper end portion, said wing member having a peripheral edge defining an extremely resilient portion thereof.
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9. A multiclamp fastener as claimed in claim 8, wherein said peripheral edge of the resilient sealing member includes an endless downwardly projecting tapered ridge.
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10. A multiclamp fastener as claimed in claim 9, wherein said ridge continues in a concavely shaped face forming the lower face of said wing member.
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11. A fastener for engaging the periphery of a rod comprising a substantially planar peripheral portion, a plurality of circumferentially spaced tongues defining a central bore and all extending at an angle to the plane of the peripheral protion inwardly from the peripheral portion radially toward and in the same direction along the axis of said bore, the tongues being spaced by, and with the peripheral portion defining, recesses, each recess being larger in area than and of a shape to encompass said tongue, and orientation means having complementary parts equally spaced from said axis and angularly spaced apart about said axis by a desired angle wherein the complementary parts comprise an ear member extending from the peripheral portion and an ear receiving recess in the peripheral portion and wherein the desired angle equals the angular spacing, about said axis, of the center of a said recess and a said tongue.
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12. A multiclamp fastener for rods comprising at least two fasteners, each fastener comprising a substantially planar peripheral portion, a plurality of circumferentially spaced tongues defining a central bore and all extending at an angle to the plane of the peripheral portion inwardly from the peripheral portion radially toward and in the same direction along the axis of said bore, the tongues being spaced by, and with the peripheral portion defining, recesses, each recess being larger in area than and of a shape to encompass said tongue, and orientation means having complimentary parts equally spaced froM said axis and angularly spaced apart about said axis by an angle which ensures that when the fasteners are superimposed in coaxial relationship with a said complementary part of one engaging a said complimentary part of another, the tongues of that one fastener are superimposed on the recesses of the other.
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13. A multiclamp fastener according to claim 12 wherein the complimentary parts comprise an ear member extending from the peripheral portion and an ear receiving recess in the peripheral portion.
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14. A multiclamp fastener according to claim 13 wherein the ear member extends normal to said plane.
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15. A multiclamp fastener according to claim 12 wherein each fastener is a homogeneous structure.
Specification