1. A pipe connection assembly connecting the flared ends of two pipes comprising:
first and second pipes having flared ends defining a cone-shaped flange face on an exterior of each said pipe, each having a rear surface,
a spacer which at a first end comprises a first complimentary shape for accommodation of the flange face of said flare at the end of one of said pipes, and at a second end comprises a second complimentary shape for accommodation of the flange face of said flare at the end of the other of said pipes;
a nut including an accommodation channel accommodating one pipe and an accommodation aperture;
said spacer disposed within said accommodation aperture of said nut with said first complimentary shape thereof in contact with said flange face of the flare of said pipe accommodated by said nut and
a screw having an accommodation channel accommodating the other of said pipes, said pipe accommodated by said screw secured to said nut by said screw, with said second complementary shape of said spacer in contact with said flange face of the flare of said pipe accommodated by said screw
and said nut defining a stop face extending between said accommodation channel and said accommodation aperture,
said stop face including a plurality of projections extending radially and spaced apart circumferentially about said stop face, and engaging said rear surface of said cone shaped flange of said flare of said pipe accommodated by said nut.
2. A pipe connection assembly according to claim 1 wherein both said complimentary shapes on said spacer are shaped to accommodate a cone-shaped flange face on the outside of the pipe that tapers off towards the face of the pipe end.
3. The connection assembly according to claim 1 wherein, said spacer is hollow and defines a passage between the pipe ends.
4. The connection assembly according to claim 3, wherein the accommodation aperture of the nut includes knobs to retain said spacer therein.
5. The connection assembly according to claim 1, wherein the rear surface of said flare of the pipe end accommodated in the nut includes at least one notch engaged by at least one radial projection on said stop face of said nut.
6. The connection assembly according to claim 5, wherein said rear surface of said flare includes a plurality of radial notches engaged by said projections such that said accommodated pipe end is secured against rotation relative to the nut.
7. A connection device connecting the flared ends of two pipes comprising:
first and second pipes having flared ends defining a cone shaped flange face on an exterior of each said pipe, each having a rear surface,
a distance element which at a first end comprises a first positive-fit recess for positive-fit accommodation of the flare at the end of one of said pipes, and at a second end comprises a second positive-fit recess for positive-fit accommodation of the flare at the end of the other of said pipes;
a nut including an accommodation channel accommodating one pipe and further including an accommodation aperture
said distance element disposed within said accommodation aperture of said nut with said first positive-fit recess in contact with the flare of said pipe accommodated by said nut;
a screw having an accommodation channel accommodating the other of said pipes said pipe accommodated by said screw secured to said nut by said screw, with said second positive-fit recess of said distance element in contact with the flare of said pipe accommodated by said screw;
wherein one of said nut and said screw comprise a positive-fit element, which positive-fit element is designed such that the pipe accommodated by said one of said nut and said crew comprising said positive-fit element is secured against rotation relative to said positive-fit element, and said positive fit element on said one of said nut and said screw defines a stop face engaging the rear surface of the flare of said one of said pipes accommodated by said one of said nut and screw and said positive fit element comprises at least one radial projection formed thereon engaging the rear surface of said flare of said pipe accommodated by said one of said nut and said screw to secure said pipe from rotation relative to said nut or said screw.
8. The connection device according to claim 7, wherein said nut includes said stop face and has a plurality of radial projections spaced circumferentially on said stop face and the rear surface of the pipe flare of the pipe end which is accommodated in the accommodation channel of said nut includes a plurality of radial notches engaged with said projections, and wherein the projections on said stop face engage said notches on the rear surface of the flare of the pipe.
9. A connection according to claim 7 wherein said positive-fit recesses on said distance element are shaped to accommodate a cone-shaped flange face on an outside of each said pipe that tapers off towards the face of the pipe end.
10. The connection device according to claim 7, wherein said distance element is hollow and defines a passage for communication between the pipes ends.
11. The connection device according to claim 10, wherein the accommodation aperture of the nut includes knobs to retain said distance element therein.
12. The connection device according to claim 10, wherein said stop face is a transition surface between said accommodation channel and said accommodation aperture of said nut.
13. A method of connecting the flared ends of two pipes, the steps comprising;
providing first and second pipes having flared ends defining cone-shaped flange faces on an exterior of each said pipe each having a rear surface;
providing a distance element which at a first end comprises a first positive-fit surface for positive-fit accommodation of the flare at the end of a first pipe, and at a second end comprises a second positive-fit surface for positive-fit accommodation of the flare at the end of the other of said pipes;
providing a nut including an accommodation channel accommodating one of said pipes and an accommodation aperture for accommodating said distance element, and a stop face having a plurality of projections extending radially and spaced apart circumferentially about said stop face extending between said accommodation channel and said accommodation aperture;
inserting said first pipe into said accommodation channel of said nut
inserting said distance element in said nut with said first positive-fit surface thereof in contact with the flare of the pipe accommodated by the nut;
providing a screw including an accommodation channel accommodating the other of said pipes;
connecting said screw to said nut and engaging said radially extending projections on said stop face with said rear surface of said flared end of said pipe accommodated by said nut.
14. A method of providing a connection as claimed in claim 13, the steps further comprising:
forming said rear surface of said flare of the pipe accommodated in said nut to conform with said radial projections on said stop face by screwing said screw into said nut to force said projections on said stop face into the rear surface of the flare of said pipe.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An alignment tool for use with an associated arrow and an associated nock, wherein:
the associated arrow comprises (1) a body; and, (2) first, second and third vanes extending outwardly from the body at an angular orientation;
the associated nock comprises: (a) a connection surface that is connectable to the arrow body; (b) a bowstring reception surface that is designed to receive an associated bowstring to fire the associated arrow; and, (c) an opening;
the alignment tool comprises:
a body having an outer surface;
a first connection member extending from the body; and,
first, second and third indicating surfaces that are spaced around the outer surface of the alignment tool body at a relative angular orientation that matches the angular orientation of the first, second and third vanes on the arrow body; and,
the alignment tool and associated nock are rotatable with respect to the associated arrow when the associated nock is connected to the arrow body and the first connection member is inserted into the opening in the nock to align the nock with respect to the arrow by aligning the first and second indicating surfaces with respect to the first and second vanes.
2. The alignment tool of claim 1 wherein the first connection member is selectively detachable from the body and a second connection member is selectively attachable to the body permitting the second connection member to replace the first connection member on the body.
3. The alignment tool of claim 2 wherein the first and second connection members differ in at least one of size and shape to correspond with different nocks.
4. The alignment tool of claim 1 wherein the first, second and third indicating surfaces extend outwardly from the alignment tool body.
5. The alignment tool of claim 1 wherein:
the connection surface has an outer surface comprising first, second and third planar portions and first, second and third curved portions;
the angular orientation of the first, second and third indicating surfaces matches one of: the first, second and third planar portions and the first, second and third curved portions of the connection surface.
6. The alignment tool of claim 1 wherein the outer surface of the body extends inwardly along curved surfaces between the first, second and third indicating surfaces.
7. An alignment tool and lighted nock assembly for use with an associated arrow, wherein:
the associated arrow comprises: (1) a body; and, (2) first, second and third vanes extending outwardly from the body at an angular orientation;
the alignment tool comprises:
a body having an outer surface;
a connection member extending from the body; and,
first and second indicating surfaces that are spaced around the outer surface of the alignment tool body at a relative angular orientation that matches the angular orientation of the first and second vanes on the arrow body;
the lighted nock assembly comprises:
a nock comprising: (1) a bowstring reception surface that is designed to receive an associated bowstring to fire the associated arrow; and, (2) an extension having a shape;
an insert comprising: (1) a connection surface that is connectable to the arrow body; and, (b) an opening having a shape; and,
an LED-battery combination component;
the alignment tool and insert are rotatable with respect to the associated arrow when the insert is connected to the arrow body and the connection member is inserted into the opening in the insert to align the insert with respect to the arrow by aligning the first and second indicating surfaces with respect to the first and second vanes;
the nock extension is insertable into the opening of the aligned insert in a fixed number of relative positions based on the shape of the nock extension and the shape of the insert opening to align the nock with respect to the arrow; and,
the LED-battery combination component: (1) is received in both the insert opening and the nock opening when the nock assembly is attached to the associated arrow; and, (2) lights the nock when activated.
8. The alignment tool and lighted nock assembly of claim 7 wherein:
the opening in the insert comprises at least one planar portion and at least one curved portion;
the connection member has an outer surface comprising at least one planar portion and at least one curved portion;
the nock extension has an outer surface comprising at least one planar portion and at least one curved portion;
when the connection member is inserted into the insert opening: the at least one planar portion of the connection member is juxtaposed to the at least one planar portion of the insert opening; and, the at least one curved portion of the connection member is juxtaposed to the at least one curved portion of the insert opening; and,
when the nock extension is inserted into the insert opening: the at least one planar portion of the nock extension is juxtaposed to the at least one planar portion of the insert opening; and, the at least one curved portion of the nock extension is juxtaposed to the at least one curved portion of the insert opening.
9. The alignment tool and lighted nock assembly of claim 7 wherein:
the associated arrow body has an opening;
the insert comprises an extension defining the connection surface that is connectable to the arrow body by insertion of the insert extension into the arrow body opening;
the nock comprises an opening; and,
the LED-battery combination component is press fit within the nock opening so that when the nock is manually removed from the insert the LED-battery combination component remains with the nock.
10. The alignment tool and lighted nock assembly of claim 7 wherein:
the nock comprises a head from which the nock extension extends;
the nock head comprises the bowstring reception surface; and,
the nock head remains outside the insert when the nock extension is inserted into the insert opening.
11. The alignment tool and lighted nock assembly of claim 7 wherein:
the associated arrow body has an outside diameter OD at a location where the insert is connected to the arrow body;
the first indicating surface is spaced a distance D1 from a longitudinal axis of the connection member;
the second indicating surface is spaced a distance D2 from the longitudinal axis of the connection member;
D1 is greater than OD; and,
D2 is greater than OD.
12. The alignment tool and lighted nock assembly of claim 7 wherein:
the alignment tool comprises a third indicating surface that is spaced on the outer surface of the alignment tool body at a relative angular orientation that matches the angular orientation of the third vane on the arrow body; and,
the alignment tool and insert are rotatable with respect to the associated arrow when the insert is connected to the arrow body and the connection member is inserted into the opening in the insert to align the insert with respect to the arrow by aligning the third indicating surface with respect to the third vane.
13. An alignment tool, first nock and nock assembly for use with an associated arrow, wherein:
the associated arrow comprises: (1) a body; and, (2) first, second and third vanes extending outwardly from the body at an angular orientation;
the first nock comprises: (a) a connection surface that is connectable to the arrow body; (b) a bowstring reception surface that is designed to receive an associated bowstring to fire the associated arrow; and, (c) an opening;
the nock assembly comprises:
a second nock comprising: (a) a nock extension having a shape; and, (b) a bowstring reception surface that is designed to receive the associated bowstring to fire the associated arrow; and,
an insert comprising: (1) a connection surface that is connectable to the arrow body; and, (b) an opening having a shape;
the alignment tool comprises:
a body having an outer surface;
a connection member extending from the body; and,
first and second indicating surfaces that are spaced around the outer surface of the alignment tool body at a relative angular orientation that matches the angular orientation of the first and second vanes on the arrow body;
the alignment tool and first nock are rotatable with respect to the associated arrow when the first nock is connected to the arrow body and the connection member is inserted into the opening in the first nock to align the first nock with respect to the arrow by aligning the first and second indicating surfaces with respect to the first and second vanes;
the alignment tool and insert are rotatable with respect to the associated arrow when the insert is connected to the arrow body and the connection member is inserted into the opening in the insert to align the insert with respect to the arrow by aligning the first and second indicating surfaces with respect to the first and second vanes; and,
the nock extension is insertable into the opening of the aligned insert in a fixed number of relative positions based on the shape of the nock extension and the shape of the insert opening to align the second nock with respect to the arrow.
14. The alignment tool, first nock and nock assembly of claim 13 wherein:
the insert opening comprises at least one planar portion and at least one curved portion;
the first nock opening comprises at least one planar portion and at least one curved portion;
the connection member has an outer surface comprising at least one planar portion and at least one curved portion;
the second nock extension has an outer surface comprising at least one planar portion and at least one curved portion;
when the connection member is inserted into the insert opening: the at least one planar portion of the connection member is juxtaposed to the at least one planar portion of the insert opening; and, the at least one curved portion of the connection member is juxtaposed to the at least one curved portion of the insert opening;
when the connection member is inserted into the first nock opening: the at least one planar portion of the connection member is juxtaposed to the at least one planar portion of the first nock opening; and, the at least one curved portion of the connection member is juxtaposed to the at least one curved portion of the first nock opening; and,
when the second nock extension is inserted into the insert opening: the at least one planar portion of the second nock extension is juxtaposed to the at least one planar portion of the insert opening; and, the at least one curved portion of the second nock extension is juxtaposed to the at least one curved portion of the insert opening.
15. The alignment tool, first nock and nock assembly of claim 13 wherein the connection member is selectively detachable from the body permitting a replacement connection member to replace the connection member on the body.
16. The alignment tool, first nock and nock assembly of claim 13 wherein the first and second indicating surfaces extend outwardly from the alignment tool body.
17. The alignment tool, first nock and nock assembly of claim 13 wherein the outer surface of the alignment tool body extends inwardly along curved surfaces between the first and second indicating surfaces.
18. The alignment tool, first nock and nock assembly of claim 13 wherein:
the associated arrow body has an opening; and,
the insert comprises an extension defining the insert connection surface that is connectable to the arrow body by insertion of the insert extension into the arrow body opening.
19. The alignment tool, first nock and nock assembly of claim 13 wherein:
the second nock comprises a head from which the second nock extension extends;
the second nock head comprises the bowstring reception surface for the second nock; and,
the second nock head remains outside the insert when the second nock extension is inserted into the insert opening.
20. The alignment tool, first nock and nock assembly of claim 13 wherein:
the associated arrow body has an outside diameter OD at a location where the insert is connected to the arrow body;
the first indicating surface is spaced a distance D1 from a longitudinal axis of the connection member;
the second indicating surface is spaced a distance D2 from the longitudinal axis of the connection member;
D1 is greater than OD; and,
D2 is greater than OD.