1. A portable scent dispersion apparatus for use with sports equipment, comprising:
a two-piece housing having a top and an bottom portion each of which is hemi-spherical shaped which, when interconnected, has a spherical configuration;
an aromatic element contained within said housing for dispensing scent; and
means for attaching said top and bottom portions such that said bottom portion is manually rotated relative to said top portion as means for controlling the amount of scent dispensed.
2. The apparatus of claim 1, wherein said aromatic element has an aromatic disc filter which, when exposed to air flow, dispenses scent.
3. The apparatus of claim 1, further comprising means for hanging said portable air freshening apparatus from a shelf, wall or other structure.
4. The apparatus of claim 1, further comprising wings, attached to said housing, said wings for catching ambient air movement turning the apparatus when hanging from a structure, the motion releasing scent.
5. The apparatus of claim 1, wherein said means for controlling the amount of scent dispensed further comprises adjustable vents.
6. The apparatus of claim 5, wherein said adjustable vents further comprise an inlet vent having an extension arm which selectively covers a portion of said vent.
7. The apparatus of claim 5, wherein said adjustable vents further comprise an outlet vent.
8. The apparatus of claim 7, wherein said adjustable vents further comprises a gate for selectively covering a portion of said vent.
9. The apparatus of claim 1, further comprises additional structure suspended from said two-piece housing.
10. The apparatus of claim 2, wherein said aromatic element further comprises oil compounds that are impregnated into a fiber element.
11. The apparatus of claim 2, further comprising release of scent as housing rotates when placed in a container, such as a sports bag, and the container being moved in any manner.
12. The apparatus of claim 7, further comprising a gate, said gate mounted to said bottom portion such that when said bottom portion is manually rotated relative to said top portion, said outlet vent formed in said top portion may be open, partially closed or closed.
13. The apparatus of claim 1, wherein said attachment means further comprises a lip element formed on an upper edge of said bottom portion, said lip element catching a retaining ridge formed on the a lower edge of said top portion such that said lip is snap-fit over said ridge retaining said top and bottom portions to form a spherical element such that said bottom portion is manually rotated relative to said top portion.
14. The apparatus of claim 1, wherein said attachment means further comprises a center portion ring element having a series of openings to receive snap heads mounted on an upper edge of said hemi-spherical shaped bottom portion, said center portion ring element further comprising a series of hook slot openings each to receive one of a series of hooks formed along a bottom edge of said top portion such that said bottom portion is manually rotated relative to said top portion.
15. The apparatus of claim 1, wherein said attachment means further comprises a middle band portion mounted by adhesive means to said top portion and having a ledge for retaining said bottom portion within said top and middle band portion assembly such that said bottom portion is manually rotated relative to said top portion.
16. The apparatus of claim 1, wherein said attachment means further comprise a center post formed in said top portion, said center post having a hook formed at an end thereof and receive by a receiver formed in a central leg formed in said bottom portion, said receiver having a ring formed about said receiver for retaining said hook therein yet permitting said top portion to rotate relative to said bottom portion.
17. The apparatus of claim 1, wherein said aromatic element further comprises animal scent.
18. A portable scent dispersion apparatus for use with sports equipment, comprising:
a housing having a top portion and a bottom portion, each of which is hemi-spherical shaped and having orifices formed in a sidewall thereof and when the top portion and bottom portion are interconnected, has a spherical configuration;
said top housing portion having a series of posts formed in the sidewall thereof, each of said series of posts having a hook formed in an end thereof;
a center housing portion having a series of gates formed thereon and a series of slot openings to receive said series of posts as means for attaching said top and bottom portions such that said bottom portion is manually rotated relative to said top portion for positioning said gate, carried by said center housing portion as means for controlling the amount of scent dispensed; and
an aromatic element contained within said housing for dispensing scent.
19. A portable scent dispersion apparatus for use with sports equipment, comprising:
a two-piece housing having a top portion and an bottom portion each of which is hemi-spherical shaped which, when interconnected, has a spherical configuration;
a center post formed as part of said top housing portion, said center post having a hook formed in an end thereof;
a second center post formed as part of said bottom portion, said second center post having a female opening formed therein to act as a receiver of said first center post for attaching said top and bottom portions forming a spherical configuration such that said bottom portion is manually rotated relative to said top portion;
an aromatic element contained within said housing for dispensing scent; and
a series of gates formed in said bottom housing portion such that manually turning said bottom portion relative to said top portion provides means for controlling the amount of scent dispensed by selectively covering some portion of an orifice formed in said top portion.
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. A method of enhancing the visualization of stress, the method comprising
producing a part made of a photoelastic material or coated with a photoelastic material and a reflective coating having a stress concentration feature formed therein,
applying a load to the photoelastic part to create stresses in the photoelastic part, and
using a polariscope to view isochromatic fringes that indicate the stresses in the photoelastic part resulting from the load applied to the photoelastic part.
2. The method of claim 1, further comprising using finite element analysis (FEA) software to predict stresses in a computer-modeled part having substantially the same geometry as the photoelastic part and comparing visually the stresses predicted by the FEA software with the stresses viewed using the polariscope.
3. The method of claim 1, wherein the stress concentration in the photoelastic part comprises a hole through the photoelastic part.
4. The method of claim 3, wherein the photoelastic part has end regions and the hole is situated midway between end regions.
5. The method of claim 1, wherein the stress concentration in the photoelastic part comprises at least one notch in the photoelastic part.
6. The method of claim 5, wherein the photoelastic part has side edges and the at least one notch comprises a pair of notches formed in the side edges.
7. The method of claim 1, wherein the stress concentration in the photoelastic part comprises at least one knit line formed in the photoelastic part by a molding process.
8. A method of visualizing stress in an assembly made of multiple elements, the method comprising
producing multiple elements, each element being made of a photoelastic material, and at least some of the elements having at least one stress concentration formed therein,
coupling the elements together to form the assembly,
applying a load to the assembly, and
using a polariscope to view isochromatic fringes produced as a result of applying the load to the model of the assembly.
9. The method of claim 8, further comprising using finite element analysis (FEA) software to predict stresses in a computer-modeled assembly having substantially the same configuration as the assembly and comparing visually the stresses predicted by the FEA software with the stresses viewed using the polariscope.
10. The method of claim 8, wherein the at least one stress concentration formed in at least some of the elements comprises a hole through the respective elements.
11. The method of claim 8, wherein the at least one stress concentration formed in at least some of the elements comprises a notch formed in the respective elements.
12. The method of claim 8, wherein the at least one stress concentration formed in at least some of the elements comprises a knit line formed in the respective elements by a molding process.
13. A method of evaluating the effects of location of gates sites in injection molded parts on stress formation occurring in the parts when loads are applied to the parts, the method comprising
injection molding multiple parts from a photoelastic material, each of the multiple parts having a substantially identical geometry to each of the other multiple parts, the multiple parts being molded such that a number and location of injection molding gate sites vary from part to part,
applying substantially identical loads to each of the parts after the injection molding step, and
using a polariscope to view the stress formation in each of the parts while the load is applied to each of the parts.
14. The method of claim 13, further comprising using software to model temperature drop in a computer-modeled mold cavity having substantially the same geometry as that used for injection molding the multiple parts and comparing visually the temperature drop modeled by the software with the stresses viewed using the polariscope.
15. The method of claim 13, further comprising using software to predict knit line location in computer-modeled parts each having substantially the same geometry as the multiple parts and comparing visually the knit line location predicted by the software with the stresses viewed using the polariscope.
16. A kit for constructing a plurality of truss assemblies and for visualizing stress occurring in each of the truss assemblies as a result of an applied load, the kit comprising
a plurality of links, each link being made of a photoelastic material and having a stress concentration formed therein, and
a plurality of couplers configured to join two or more of the plurality of links together to form at least a first truss assembly of the plurality of truss assemblies, and
a polariscope for viewing isochromatic bands which occur in the first truss assembly as a result of the first truss assembly being subjected to the applied load and which are indicative of the stress levels occurring in the first truss assembly.
17. The kit of claim 16, wherein at least a first link of the plurality links has a length of three length units, at least a second link of the plurality of links has a length of four length units, and at least a third link of the plurality of links has a length of five length units.
18. The kit of claim 17, wherein the length units are inches.
19. The kit of claim 17, wherein each link of the plurality of links has a pair of spaced-apart apertures, each aperture being configured for receipt of a portion of one of the plurality of link couplers, and the length of the plurality of links being defined between centers of the respective spaced-apart apertures.
20. The kit of claim 16, further comprising at least one additional link that is free of any stress concentrations like the stress concentrations of the plurality of links.
21. The kit of claim 16, further comprising a load applicator configured to apply loads to the truss assemblies formed by the plurality of links.
22. The kit of claim 16, wherein the stress concentration in at least some of the links comprises a hole through the respective links.
23. The kit of claim 16, wherein the stress concentration in at least some of the links comprises a notch in the respective links.
24. The kit of claim 16, wherein the stress concentration in at least some of the links comprises an injection molding knit line in the respective links.
25. A toy for producing color patterns, the toy comprising
a pair of spaced frames,
a pair of polarizing filters, each polarizing filter being coupled to a respective one of the frames, and
a handle having a first portion fixed to at least one of the frames, a flexible portion extending from the first portion between the polarizing filters, and a second portion extending from the flexible portion, the handle being configured so that squeezing the second portion toward the first portion flexes the flexible portion to induce stress therein, a stress concentration being formed in the flexible portion so that when the stress is induced in the flexible portion, at set of isochromatic bands of various colors are observable by looking through the pair of filters.
26. The toy of claim 25, wherein the handle comprises a stop appended to the second portion and the stop engages the first portion when the second portion is squeezed toward the first portion by a sufficient amount.
27. The toy of claim 25, wherein each of the pair of spaced frames are circular and have a central openings across which the polarizing filters extend.
28. The toy of claim 25, wherein the stress concentration comprises a hole through the flexible portion.
29. The toy of claim 25, wherein the flexible portion is detachable from the first and second portions to permit an alternative flexible portion to be attached to the first and second portions.
30. The toy of claim 25, further comprising a pin extending between the pair of frames to hold the pair of frames in spaced relation.
31. The toy of claim 25, wherein the handles are offset inducing a torsional stress due to an additional component of a twisting torque.