IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0097037
(2002-03-12)
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발명자
/ 주소 |
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출원인 / 주소 |
|
대리인 / 주소 |
Workman, Nydegger & Seeley
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인용정보 |
피인용 횟수 :
39 인용 특허 :
100 |
초록
▼
A pivotable folding utility table includes a table top having a pair of support pedestals pivotally attached thereto. A first pivotal support brace including a distal end and a proximal end attached to the first support pedestal. A second pivotal support brace including a distal end and a proximal e
A pivotable folding utility table includes a table top having a pair of support pedestals pivotally attached thereto. A first pivotal support brace including a distal end and a proximal end attached to the first support pedestal. A second pivotal support brace including a distal end and a proximal end attached to the second support pedestal. The distal ends of the first and second pivotal support braces pivotally attached to a retaining assembly preferably mounted in relation to the table top. Specifically, the retaining assembly includes a cross-brace member operably disposed through openings formed in the distal ends of the first and second pivotal support braces, thus providing a pivotal engagement in relation to the table top. Alternatively, a second retaining assembly including a cross-brace member may be mounted in relation to the table top, wherein the distal end of the first pivotal support brace pivotally engages the first retaining member and the distal end of the second pivotal support brace pivotally engages the second retaining member. In addition, the first and second support pedestals may comprise at least one support leg, wherein each support leg of the first and second support pedestals are laterally offset from each other so as to permit an offset displacement of the support legs when the support pedestals are disposed in a collapsed position.
대표청구항
▼
A pivotable folding utility table includes a table top having a pair of support pedestals pivotally attached thereto. A first pivotal support brace including a distal end and a proximal end attached to the first support pedestal. A second pivotal support brace including a distal end and a proximal e
A pivotable folding utility table includes a table top having a pair of support pedestals pivotally attached thereto. A first pivotal support brace including a distal end and a proximal end attached to the first support pedestal. A second pivotal support brace including a distal end and a proximal end attached to the second support pedestal. The distal ends of the first and second pivotal support braces pivotally attached to a retaining assembly preferably mounted in relation to the table top. Specifically, the retaining assembly includes a cross-brace member operably disposed through openings formed in the distal ends of the first and second pivotal support braces, thus providing a pivotal engagement in relation to the table top. Alternatively, a second retaining assembly including a cross-brace member may be mounted in relation to the table top, wherein the distal end of the first pivotal support brace pivotally engages the first retaining member and the distal end of the second pivotal support brace pivotally engages the second retaining member. In addition, the first and second support pedestals may comprise at least one support leg, wherein each support leg of the first and second support pedestals are laterally offset from each other so as to permit an offset displacement of the support legs when the support pedestals are disposed in a collapsed position. f the deck. 4. The assembly as claimed in claim 1 wherein the deck includes at least one outer covering layer made of a woven or non-woven fabric disposed on the load-bearing skin and covering the front, back and side edges of the deck. 5. The assembly as claimed in claim 1 further comprising another deck as claimed in claim 1 wherein the at least one support interconnects the decks at their tine-engaging skins and wherein the assembly is at least stackable or rackable. 6. The assembly as claimed in claim 5 wherein the another deck includes an outer covering layer made of a woven or a non-woven fabric disposed on its load-bearing skin and covering its front, back and side edges. 7. The assembly as claimed in claim 1 wherein the single pressing stage has a forming pressure for forming the deck which lies in the range 106Pa to 3×106Pa. 8. The assembly as claimed in claim 1 wherein while the deck is being formed, the skins have a forming temperature lying in the range approximately 160° C. to 200° C. 9. The assembly as claimed in claim 1 wherein the skins are made of a woven fabric or mat of glass fibers and of a thermoplastics material. 10. The assembly as claimed in claim 1 wherein the reinforcing slats of the grids are made of reinforced thermoplastic composite. 11. The assembly as claimed in claim 10 wherein the composite is fiber-reinforced. 12. The assembly as claimed in claim 11 wherein the composite includes a depolymerizable and repolymerizable thermoplastic polymer resin. 13. The assembly as claimed in claim 12 wherein the resin is a thermoplastic polyurethane. 14. The assembly as claimed in claim 9 wherein the thermoplastics material of the skins is a polyolefin and preferably polypropylene. 15. The assembly as claimed in claim 1 wherein the cellular core of the deck has an open-celled structure of the tubular or honeycomb cell type, constituted mainly of polyolefin and preferably polypropylene. 16. The assembly as claim in claim 1 wherein a plurality of spaced supports support the deck adjacent corners of the deck. 17. The assembly as claimed in claim 10 wherein the at least one support is made of a thermoplastics material and wherein substantially the entire pallet assembly is recyclable. 18. The assembly as claimed in claim 1 further comprising an electronic identification device to allow the assembly and its corresponding load to be identified. plurality of upstanding support posts extending between the decks and having fittings at their upper ends, the posts being axially extensible above the upper deck to allow access to the fittings, a common end gate or door, and couplings operable between the decks and the gate. 10. A container comprising a deck, a pair of upstanding support posts each having a first section mounted in a fixed position relative to the deck and a second section which is axially extensible relative to the first section, a rail extending between the lower sections of the posts, and bracing connected to the upper sections of the posts and to different points along the rail when the upper sections are extended to different positions. 11. A container for use in transporting a load, comprising a deck with at least one upstanding post having a first section mounted in a fixed position relative to the deck, a second section which is axially extensible relative to the first section, a support bar pivotally connected to one of the sections Internally of the post, a plurality of axially facing shoulders in fixed positions within the other section, and means operable externally of the post for moving the support bar Into and out of position for abutting engagement with the shoulders to selectively lock the two sections together in extended and retracted positions and to permit movement of the second section between the extended and retracted positions. 12. The container of claim 11 wherein one of the shoulders faces in an upward direction for transferring stacking loads between the two post sections, and another one of the shoulders faces in a downward direction for transferring pulling loads between the two sections. 13. The container of claim 11 wherein the first post section is pivotally mounted to the deck for movement between horizontal and vertical positions. 14. The container of claim 11 wherein the support bar has a relatively flat detent of rectangular cross section which engages the shoulders to lock the two sections together. surface regions arising from rapid solidification is retained to final thickness with a thickness reduction of at least 90 percent, the cast strip not having any further heat applied to it until after the final thickness has been attained; and (c) electrolytically etching the cast strip in an HNO3electrolyte, to roughen etched surface of the cast strip to provide the lithographic printing plate, said lithographic printing plate exhibits an improved etched structure for the same energy consumption compared to that of conventionally-produced lithographic printing plates. 2. The lithographic printing plate according to claim 1, wherein the thickness of the lithographic printing plate is at most 3 mm. 3. The lithographic printing plate according to claim 2, wherein the intermetallic particles in the regions close to the surface to the lithographic printing plate have an average spacing of less than 5 μm. 4. The lithographic printing plate according to claim 3, wherein the thickness of the lithographic printing plate is at most about 2.5 to 2.8 mm. 5. The lithographic printing plate according to claim 4, wherein the lithographic printing plate is a type AA 1xxx, AA 3xxx or AA 8xxx alloy. 6. A lithographic printing plate with electrolytically roughened surface, that has been manufactured as a strip using a process comprising (a) continuously casting the alloy as a strip in the gap between the cooled rolls of a strip-casting machine to a thickness of at most 3 mm, the continuous casting forming a cast strip having very fine, intermetallic particles in high density and having a small grain size in the regions close to the surface of the cast strip, and, in order to prevent coarsening of the grains, no further heat is applied to the cast strip which has been solidified in the roll gap between steps (a) and (b), and there is no annealing between steps (a) and (b); (b) cold rolling the cast strip so that the advantageous grain microstructure in the surface regions arising from rapid solidification is retained to final thickness with a thickness reduction of at least 90 percent, the cast strip not having any further heat applied to it until after the final thickness has been attained; and (c) electrolytically etching the cast strip in an HNO3electrolyte, to roughen etched surface of the cast strip to provide the lithographic printing plate, said lithographic printing plate exhibits an improved etched structure for the same energy consumption compared to that of conventionally-produced lithographic printing plates. 7. A lithographic printing plate with electrolytically roughened surface, that has been manufactured as a strip using the process comprising (a) continuously casting the alloy as a strip in the gap between the cooled rolls of a strip-casting machine to a thickness of at most 3 mm, the continuous casting forming a cast strip having very fine, intermetallic particles in high density and having a small grain size in the regions close to the surface of the cast strip, and, in order to prevent coarsening of the grains, no further heat is applied to the cast strip which has been solidified in the roll gap between steps (a) and (b); (b) cold rolling the cast strip so that the advantageous grain microstructure in the surface regions arising from rapid solidification is retained to final thickness with a thickness reduction of at least 90 percent, the cast strip not having any further heat applied to it until after the final thickness has been attained; and (c) stoving a photosensitive coating on the cast strip to provide the lithographic printing plate, said lithographic printing plate exhibits higher strength than a conventionally-produced lithographic printing plate. 8. The lithographic printing plate according to claim 7, wherein a strip of the lithographic printing plate is at most 3 mm. 9. The lithographic printing plate according to claim 8, wherein the intermetallic particles in the region s close to the surface to the cast strip of the lithographic printing plate have an average spacing of less than 4 μm. 10. The lithographic printing plate according to claim 9, wherein the thickness of the cast strips of the lithographic printing plate is at most about 2.5 to 2.8 mm. 11. The lithographic printing plate according to claim 10, wherein the cast strip of the lithographic printing plate is type AA 1xxx, AA3xxx or AA 8xxx alloy. 12. A lithographic printing plate with electrolytically roughened surface, that has been manufactured as a strip using the process comprising: (a) continuously casting the alloy as a strip in the gap between the cooled rolls of a strip-casting machine to a thickness of at most 3 mm, the continuous casting forming a cast strip having very fine, intermetallic particles in high density and having a small grain size in the regions close to the surface of the cast strip, and, in order to prevent coarsening of the grains, no further heat is applied to the cast strip which has been solidified in the roll gap between steps (a) and (b) and there is no annealing between steps (a) and (b); (b) cold rolling the cast strip so that the advantageous grain microstructure in the surface regions arising from rapid solidification is retained to final thickness with a thickness reduction of at least 90 percent, the cast strip not having any further heat applied to it until after the final thickness has been attained; and (c) stoving a photosensitive coating on the cast strip to provide the lithographic printing plate, said lithographic printing plate exhibits higher strength than a conventionally-produced lithographic printing plate. red about a longitudinal axis, the ammunition cartridge comprising: a case having a base and a sidewall extending from the base to a mouth of the case and bounding an interior, the case dimensioned to maintain the armor piercing projectile substantially centered along the longitudinal axis; an armor piercing projectile having a fore portion proximate to the mouth of the case and an aft portion proximate to the base of the case, the armor piercing projectile comprising: a body having a nose proximate the fore portion of the armor piercing projectile, a tail proximate the aft portion of the armor piercing projectile and a cylindrical pocket within the tail of the body; a tracer positioned within the cylindrical pocket of the body; and a plurality of stabilizing fin blades projecting from the body; a sabot securing the projectile body to the case proximate the mouth of the case; a propellant charge located in the case interior, wherein the plurality of stabilizing fin blades each have a first portion extending substantially longitudinally; a second portion, outboard of the first portion and having: a first subportion extending substantially longitudinally; and a second subportion, aft of the first subportion having a first surface portion inclined relative to a longitudinal direction by an angle of between about 3.5 and about 6.0 degrees; and whereby when the armor piercing projectile has an increased steady state spin rate the tracer visibility improves. 2. The cartridge of claim 1 wherein: the propellant charge is of effective size to propel the armor piercing projectile from a weapon at a muzzle velocity of between 1300 and 1500 m/s. 3. The cartridge of claim 1 wherein the angle is effective to provide the armor piercing-projectile with a steady state spin rate of at least 340 rps when fired at a muzzle velocity between 1300 and 1500 m/s. 4. The cartridge of claim 1 wherein the plurality of stabilizing fin blades are formed as flat plates, subject to the inclination of the first surface portions. 5. The cartridge of claim 4 wherein the plurality of stabilizing fin blades are each triangular in planform. 6. The cartridge of claim 1 wherein the sabot is dimensioned to fire the armor piercing projectile from a barrel having a nominal caliber between 20 mm and 120 mm inclusive. 7. The cartridge of claim 6 wherein the nominal caliber is between 20 mm and 50 mm inclusive. 8. The cartridge of claim 7 wherein the nominal caliber is 25 mm. 9. An armor piercing fin-stabilize discarding sabot projectile comprising a body having a tracer positioned at an aft end thereof and wherein at least two fin blades mounted on said body are formed having: a first portion extending substantially longitudinally; a second portion, outboard of the first portion and having: a first subportion extending substantially longitudinally; and a second subportion, aft of the first subportion, and inclined relative to the first subportion by an angle of between about 3.5 and about 6.0 degrees; and whereby when the armor piercing projectile has an increased steady state spin rate the tracer visibility improves. 10. The armor piercing fin-stabilized discarding sabot projectile of claim 9 wherein: the projectile comprising a tail portion substantially axially aligned with the fin blades; said tracer positioned within a cylindrical pocket formed in the tail portion of the body; there are exactly four fin blades each with the first and second portions; the angle is between 4.3 and 5.2 degrees; the second subportion extends to a tip of the associated fin blade; the second subportion has a planform area of 10-30 percent of a planform area of the fin blade; and the first portion has a radial span of 15-30 percent of a radial span of the fin blade. 11. An armor piercing fin-stabilized discarding sabot projectile with a tracer, the armor piercing fin-stabilized discarding sabot projectile comprising; a fore portion distal to the tracer and an aft portion proximate to the tracer, the tracer being substantially centered along a longitudinal axis; at least two tail fin blades each having: a first portion extending substantially longitudinally along said axis; a second portion, outboard of the first portion having: a first subportion extending substantially longitudinally along said axis; and a second subportion, aft of the first subportion having a portion extending by an angle θ between about 3.5 and about 6.0 degrees relative to the longitudinal axis, effective to impart the projectile with a steady-state spin rate (SSSR) within lower and upper limits respectively defined by the equations: (SSSR-340)/(C-25)=(99-SSSR)/(120-C); and (SSSR-420)/(C-25)=(122-SSSR)/(120-C); where SSSR is in rps and C is a caliber in mm; and whereby when the armor piercing fin-stabilized discarding sabot projectile is fired at a muzzle velocity of between 1300 and 1500 m/s; and whereby when the armor piercing fin-stabilized discarding sabot projectile has an increased steady state spin rate the tracer visibility improves. 12. The armor piercing fin-stabilized discarding sabot projectile of claim 11 wherein: there are exactly four fin tail blades, each fin tail blade extending by the angle θ; and whereby the angles θ is between 4.3 and 5.2 degrees and the saboted projectile has a caliber between 13 mm and 30 mm. 13. An armor piercing fin-stabilized discarding sabot projectile with a tracer for firing from a barreled weapon of nominal 25 mm caliber wherein: the armor piercing fin-stabilized discarding sabot projectile comprises a fore portion distal to the tracer and an aft portion proximate to the tracer, the tracer substantially centered along the longitudinal axis; and fin blades each having: a first portion extending substantially longitudinally; a second portion, outboard of the first portion and having: a first subportion extending substantially longitudinally; and a second subportion, aft of the first subportion, and having a first surface portion inclined relative to a longitudinal direction by an angle θ of between 3.5 and 6.0 degrees are fixed to the projectile adjacent to the aft portion proximate to the tracer substantially in alignment with the longitudinal axis; and whereby when the armor piercing fin-stabilized discarding sabot projectile is fired from the barreled weapon with a muzzle velocity the angle θ of between 3.5 and 6.0 degrees is effective to achieves a steady-state spin rate (SSSR) of at least 340 rps; and whereby the tracer visibility is improved with the increased SSSR. 14. The projectile of claim 13 whereby: the SSSR is between about 340 and 420 rps; the muzzle velocity is between about 1300 and 1500 m/s; and the projectile has a muzzle spin rate approximately greater than the SSSR but approximately lesser than an intervening peak spin rate. comprising a steel plate member having thickness capable of bearing a blasting pressure of explosives inputted to blasting hole; an elastic member which is fixedly attached along a bottom edge of the steel plate member for isolating blasting noise, blasting gas and flying material. Explosives inputted into each blasting hole of blasting region are discharged; and a weight reinforcing member which is welded to a top surface of the steel plate member in a structure of a grid frame made of steel beams.
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