Hanger for suspending exhaust pipes from a horizontal support

• US 3,891,176 A
• Filed: 11/21/1973
• Issued: 06/24/1975
• Est. Priority Date: 11/21/1973
• Status: Expired due to Term

• Current Assignee: Robert K. Nolen, Todd R. Downing
• Original Assignee: Robert K. Nolen, Todd R. Downing
• Inventors: Downing, Todd R., Nolen, Robert K.
• Primary Examiner(s): Foss, J. Franklin
• Application Number:
  US05/418,035
• Time in Patent Office: 580 Days
• Field of Search: 248/214,215,211,301,303,304,305,306,339,340,359,360,317 294/86.24 211/113,119
• US Class Current: 248/340
• CPC Class Codes: A47F 5/01 made of tubes or wire A47F5/0807 takes precedence foldable or adjustable A47F5/13
• CPC Class Codes: F16B 2/243 internal, i.e. with spreading action
• CPC Class Codes: F16B 45/00 Hooks; Eyes if the attaching parts or means are concerned, groups F16B13/00, F16B15/00, F16B19/00, F16B25/00, F16B35/00, F16B47/00 take precedence; for hanging pictures or the like A47G1/16; towing hooks for ships B63B21/58; for hoisting or hauling purposes B66C; hooks or eyes with integral parts designed to facilitate quick attachment to cables or ropes at any point F16G11/14
• CPC Class Codes: F16B 45/012 wire

Abstract

A hanger for suspending exhaust pipes and the like from a horizontally extending support comprising an elongated spring steel wire bent to provide a support engaging section and a generally V-shaped pipe engaging section having an outwardly bent pipe gripping tip and a pipe end engaging stop portion, the support engaging section being operable to be engaged in a generally downward direction over the support and including a terminal end portion having an upwardly facing end surface for engaging one side portion of the support and integral portions disposed between the terminal end portion and the pipe engaging section which extend upwardly with respect to the aforesaid one side portion of the support transversely over an upwardly facing portion of the support and downwardly along an opposite side portion of the support, the integral portions having support engaging surfaces operable in response to the suspension of a pipe or the like by engagement with the pipe engaging section for causing the downward force of the pipe load to be transmitted by the integral portions to the terminal end portion in such a way as to tend to move the end surface thereof in a direction upwardly and toward the one side portion of the support an extent which increases as the pipe load increases so that the resultant engagement of the end surface with the one side portion of the support serves to prevent disengagement of the support engaging section from the support.

Claims

1. A hanger for suspending exhaust pipes and the like from a horizontally extending support comprising an elongated metallic member formed to provide a support engaging section and a pipe engaging section, said support engaging section being operable to be engaged in a generally downward direction over the support inTo an operative pipe suspending position with respect thereto, said support engaging section including a terminal end portion for engaging one side portion of the support when said support engaging section is disposed in said operative position, said terminal end portion including end surface means which faces generally upwardly when said support engaging section is disposed in said operative position, said support engaging section including integral portions disposed between said terminal end portion and said pipe engaging section which extend upwardly with respect to the aforesaid one side portion of the support transversely over an upwardly facing portion of the support and downwardly along an opposite side portion of the support when said support engaging section is disposed in said operative position, said integral portions having support engaging surface means operable in response to the suspension of a pipe or the like by engagement with said pipe engaging section for causing the downward force of the pipe load to be transmitted by said integral portions to said terminal end portion in such a way as to tend to move said end surface means in a direction upwardly and toward the one side portion of the support an extent which increases as the pipe load increases so that the resultant engagement of said end surface means with the one side portion of the support serves to prevent disengagement of said support engaging section from the support.

2. A hanger as defined in claim 1 wherein said elongated member is formed of spring steel wire.

3. A hanger as defined in claim 1 wherein said terminal end portion is straight.

4. A hanger as defined in claim 3 wherein said integral portions include an arcuately bent portion of approximately 180* extending downwardly from the terminal end portion and then outwardly and upwardly.

5. A hanger as defined in claim 4 wherein said integral portions include a straight portion extending upwardly from said arcuately bent portion in parallel relation with said terminal end portion.

6. A hanger as defined in claim 5 wherein said integral portions include a generally horizontally extending substantially straight portion disposed at an angle of approximately 90* with respect to said upwardly extending straight portion and a bent portion integrally joining said upwardly extending portion with said horizontally extending portion.

7. A hanger as defined in claim 6 wherein said integral portions include a generally downwardly extending substantially straight portion disposed at an angle of approximately 80* with respect to said horizontally extending portion and a bent portion integrally interconnecting said horizontally extending portion with said downwardly extending portion.

8. A hanger as defined in claim 1 wherein said pipe engaging section includes an upwardly opening generally V-shaped portion for engagement axially inwardly of an open end of a pipe, said V-shaped portion having end surface means for gripping the interior peripheral surface of the pipe (1) to prevent axial movement of said pipe in a downward direction when disposed in suspended relation by said V-shaped portion with said support engaging section in said operative position and (2) to permit separation of the pipe therefrom by a combined rotational and axially outward movement with respect thereto, and a transversely extending stop portion between said V-shaped portion and said support engaging section in a position above the end surface means of said V-shaped portion for engaging the open end of the pipe and limiting the axially inward movement of the same with respect to said V-shaped portion.

9. A hanger as defined in claim 8 wherein said V-shaped portion includes two legs of unequal longitudinal extent, the longer of said legs being integrally interconnected with said stop portion, the shorter of said legs having an outwardly bent tip at the free end thereof, said tip having a transversely extEnding end surface intersecting the periphery thereof, the outer intersection of said tip end surface with the tip periphery defining the end surface means of said V-shaped portions.

10. A hanger as defined in claim 9 wherein said legs are substantially straight and define an angle of approximately 40* therebetween.

11. A hanger as defined in claim 10 wherein said tip is substantially straight and extends from the remainder of said shorter leg at an angle of approximately 10*.

12. A hanger as defined in claim 11 wherein said tip end surface is substantially planar and intersects the outer tip periphery at an angle of approximately 60*.

13. A hanger for suspending exhaust pipes and the like from a horizontally extending support comprising a length of spring steel wire bent to provide a support engaging section and a pipe engaging section, said support engaging section being operable to be engaged in a generally downward direction over the support into an operative pipe suspending position with respect thereto, said support engaging section including a substantially straight upwardly extending terminal end portion for engaging one side portion of the support when said support engaging section is disposed in said operative position, said terminal end portion including end surface means which faces generally upwardly when said support engaging section is disposed in said operative position, said support engaging section also including an arcuately bent portion of approximately 180* extending downwardly from the terminal end portion and then outwardly and upwardly, a straight portion extending upwardly from said arcuately bent portion in parallel relation with said terminal end portion, a generally horizontally extending substantially straight portion disposed at an angle of approximately 90* with respect to said upwardly extending straight portion, a first bent portion integrally joining said upwardly extending portion with said horizontally extending portion, a generally downwardly extending substantially straight portion disposed at an angle of approximately 80* with respect to said horizontally extending portion, and a bent portion integrally interconnecting said horizontally extending portion with said downwardly extending portion, said pipe engaging section including an upwardly opening generally V-shaped portion for engagement axially inwardly of an open end of a pipe, and a transversely extending stop portion between said V-shaped portion and said support engaging section for engaging the open end of the pipe and limiting the axially inward movement of the same with respect to said V-shaped portion, said V-shaped portion including two legs of unequal longitudinal extent, said legs being substantially straight and defining an angle of approximately 40* therebetween, the longer of said legs being integrally interconnected with said stop portion, the shorter of said legs having an outwardly bent tip at the free end thereof, said tip being substantially straight and extending from the remainder of said shorter leg at an angle of approximately 10*, said tip having a transversely extending end surface intersecting the periphery thereof, said tip end surface being substantially planar and intersecting the outer tip periphery at an angle of approximately 60* .

14. A hanger for suspending an exhaust pipe or the like from a horizontally extending support comprising a length of steel wire bent to provide an upper support engaging section and a lower pipe engaging section, said support engaging section being of generally inverted U-shaped configuration for engagement over the support and having vertically extending portions of unequal longitudinal extent, said pipe engaging section including a lower generally V-shaped portion for engagement within an open end of the pipe having legs of unequal longitudinal extent, said legs being substantially straight and defiNing an angle of approximately 40* therebetween, the shorter of said legs having an outwardly bent tip on the free end thereof, said tip being substantially straight and being bent outwardly an angle of approximately 10* with respect to the longitudinal extent of the associated shorter leg, said tip including an end surface disposed in a flat plane which intersects with the outer periphery of the tip at an included angle of approximately 60*, and a stop portion for engaging the open end of the pipe extending transversely between the upper end of the longer leg of said V-shaped portion and the lower end of the longer vertically extending portion of said support engaging section.