EP0494970A1 - Adjustable stepping structure for aerobic exercises. - Google Patents

Adjustable stepping structure for aerobic exercises.

Info

Publication number
EP0494970A1
EP0494970A1 EP19900915651 EP90915651A EP0494970A1 EP 0494970 A1 EP0494970 A1 EP 0494970A1 EP 19900915651 EP19900915651 EP 19900915651 EP 90915651 A EP90915651 A EP 90915651A EP 0494970 A1 EP0494970 A1 EP 0494970A1
Authority
EP
European Patent Office
Prior art keywords
support elements
platform section
support
platform
stepping
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP19900915651
Other languages
German (de)
French (fr)
Other versions
EP0494970B1 (en
EP0494970A4 (en
Inventor
Lyle Ray Irwin
Peter H Hand
Edward F Leftwich
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Step Co
Original Assignee
Sports Step Inc
Step Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sports Step Inc, Step Co filed Critical Sports Step Inc
Publication of EP0494970A1 publication Critical patent/EP0494970A1/en
Publication of EP0494970A4 publication Critical patent/EP0494970A4/en
Application granted granted Critical
Publication of EP0494970B1 publication Critical patent/EP0494970B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B1/00—Horizontal bars
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/04—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs
    • A63B23/0405—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for lower limbs involving a bending of the knee and hip joints simultaneously
    • A63B23/0458—Step exercisers without moving parts

Definitions

  • the present invention relates to aerobic exercise devices and, more particularly, to an adjustable stepping structure for aerobic exercises.
  • BACKGROUND ART It is known in aerobic exercising to use a conditioning program based on stair climbing to develop, simultaneously, strength and improved cardiovascular endurance. For instance, during a 60-minute aerobic workout, the participant may, using optional hand-held weights, climb on and off platforms that are available at a number of different heights. Such stepping sessions may last for from five to twenty-five minutes per period during such workouts and are combined with traditional aerobic movements.
  • the disadvantage of the present stair climbing programs is that they utilize fixed-height platforms which do not easily accommodate participants of varying degrees of physical height or expertise in aerobics. Also, the fixed platforms or steps make it more difficult to vary the intensity of the exercise. In group classes, the participant may be forced to use a step at a particular height based only upon availability and not upon proper sizing. This can make a workout either too hard or too easy. Also, in the home market, the fixed-height platform does not allow for interval training or improved conditioning of the participant.
  • each structure including a rectangular platform section that has a flat top surface and a plurality of equally dimensioned support elements which are stackable, one upon the other, each of the elements capable of being detachably engageable with the underside of the platform section so that it is elevated a selected distance above the floor, depending upon the skill and physical characteristics of the user.
  • the present invention incorporates into one space-saving structure the necessary features of the individual stepping structures of varying heights.
  • FIG. 1 is a perspective view of the first embodiment of the present invention
  • Fig. 2 is an exploded, perspective view of the structure of the first embodiment of the present invention
  • Fig. 3 is a front view of the first embodiment of the present invention with a portion broken away for clarity.
  • Fig. 4 is an exploded perspective view of the second embodiment of the present invention.
  • Fig. 5 is a front view of a portion of the second embodiment of the present invention.
  • Fig. 6 is a bottom plan view of a portion of one of the support elements of the support elements of the second embodiment of the present invention
  • Fig. 7 is a view of the second embodiment of the present invention taken along line 7-7 in Fig. 5.
  • the numeral 10 denotes generally the first embodiment of the adjustable stepping structure which comprises a platform section 12 and a plurality of means for elevating the platform section 12 a pre-determined distance above a support surface, namely, support elements 14.
  • the section 12 is rectangular in shape and includes a top, stepping surface 16 with depending, parallel side walls 18 and opposed, parallel end walls 20.
  • the surface 16 preferably has a non-slip coating thereon.
  • Means are provided on the bottom of the section 12 to allow the detachable securing of one of the support elements 14 thereto.
  • such means comprise at least one opening in underside of section 12 into which is received a portion of the top of one of the support elements 14 as seen in Figs. 2 and 3.
  • a rectangular frame 22 is provided on the bottom surface of side walls 18 and end walls 20.
  • the frame 22 is comprised of end members 24 which underlie end walls 20 and side members 26 which run along the bottom of side walls 18.
  • the members 24, 26 are offset from the outer respective edges 28, 30 of end walls 20 and side walls 18 so as to be complementary to and engage the top surface of the support elements 14, as described below.
  • ribs 32 Laterally extending between side walls 18 are ribs 32, the distance between the respective side wall 18 and rib 32 being equal to the width of the support elements 14.
  • Elongated, rectangular column members 34 are formed at the intersections of rib 32 and side walls 18 and end walls 20 and side walls 18. Rectangular pads 36 are disposed on the bottoms of the column members 34 and extend below the frame 22.
  • a pair of struts 38 longitudinally extend between end walls 20 and the respective ribs 32, with struts 40 longitudinally extending between the ribs 32.
  • the struts 38, 40 provide a means of strengthening the section 12.
  • the support elements 14 are squares and are of equal dimensions to each other, comprising sides 42 and top 44.
  • An upper element 46 overlies top 44 except at the respective corners and adjacent the upper edges 43 of the sides 42, where top 44 is exposed.
  • the upper element 46 includes an upper surface 48 and depending sides 50, each of which is offset from edges 43 and terminates adjacent their ends in inwardly directed edges 52.
  • the space defined by converging edges 52 is dimensioned to receive therein the columns 34 and pads 36 of the platform section 12.
  • each support element 14 is complementary to both the upper element of the other support elements 14 (so that they may be stacked upon each other) , and the underside of the platform section 12 (so that each support element 14 is capable of detachably engaging and supporting the platform section 12 above the floor) .
  • Each support element 14 includes column members 54 with pads 56 on their bottom surfaces and a pair of strengthening ribs 58.
  • the support elements 14 are stackable upon each other in the same manner as each is capable of engaging the platform section 12, namely, the columns 34 are received within the space formed by edges 52 and top 44 and the upper surface 48 engages the bottom surfaces of ribs 58.
  • the dimensions of a typical platform section 12 are either 48" x 14" x 4" or 36" x 14" x 4" and the dimensions of a typical support element 14 are 14" x 14" x 2".
  • the stepping surface 16 can be elevated off the ground from 6 inches to 12 inches, in 2-inch increments, by adding the required number of support elements 14. Also, the interlocking, stackable support elements 14 provide stability as the height is increased.
  • Figs. 4-7 depict the second embodiment of the present invention, denoted generally by the numeral 100, and comprising a platform section 112 and a plurality of support elements 114 which provide means for vertically adjusting the height of platform section 112 above a support surface, such as a floor.
  • the second embodiment 100 is constructed of a molded high impact plastic materials and functions or operates in the same manner as the first embodiment 10. The basic difference between the two is their respective outward appearance, the second embodiment 100 having a more "modern" look than the first.
  • the platform section 112 is generally rectangular in shape with a top, stepping surface 116 having a non-slip, textured coating 117 thereon.
  • the side and end walls 118, 120 slant outwardly from the top surface 116 and terminate in horizontally extending, continuous rib 121.
  • the walls 118, 120 then curve downwardly in sections 123, 125 which terminate in flat bottom 127.
  • hand- holds 129 are provided through section 123 to aid in maneuvering the platform section 112.
  • the platform section 112 includes an interior wall 127 laterally extending between side walls 118 adjacent each end wall 120 and which projects downwardly from the underside of top surface 116 in sloping direction which parallels approximately the slope of end wall 120.
  • the wall 127 terminates in a horizontal base 129 that is directed toward end wall 120.
  • Each support element 114 is capable of being telescopingly received within the bottom of the platform section 112, as well as being so received within the bottom of another support element 114 so that they are vertically stackable, as shown in Fig. 4.
  • the support element 114 is a square shaped unitary member and is open through its center.
  • Each element comprises three sections with the top section 131 having a slightly rounded top 133 and a downwardly curved shoulder 135 which terminates in horizontal ledge 137 with wall 139 depending therefrom.
  • the ledge 137 and wall 139 form the middle section 141.
  • the lower section 143 includes a bulbous portion 145 that terminates in rib 147.
  • Inwardly curved bottom portion 149 extends beneath rib 147 and concludes with a flat bottom 151.
  • Hand-inserts 153 are formed in the center of each bottom portion 149 to provide a location for gripping when the support elements 114 are moved about.
  • a square-shaped lug 155 is located at each corner on bottom 151 and are in registry with similarly shaped depressions 157 located on portion 145, as seen in Fig. 4.
  • the lugs 155 on an upper element 114 are received within a respective lower element 114 to aid in stabilizing the stacked elements 114.
  • each element 114 includes interior walls 159, 161 joined by curved section 163 with the slope of walls 159, 161 being the same as that of interior wall 127 of the platform section 112.
  • the bottom edge of wall 161 terminates in horizontally extending base 165.
  • a support element 114 When a support element 114 is telescopingly received within the bottom of platform section 112, the shoulder 135 contacts interior wall 127 and ledge 137 engages the underside of base 129. When an additional support element 114 is added, it is received within an upper support element 114 by having shoulder 135 rest against the underside of curved portion 163 and wall 161, with base 165 resting on ledge 137.
  • support elements 14, 114 and the structural means employed to allow them to be stackable in vertical alignment and to support the platform section 12, 120 are merely an example of the currently operable ones. However, any number of other designs could be used such as, for example, having upstanding ribs or plugs on the top of the support elements 14, 114 which are complementary in shape and engage slots on the underside of both the platform section and each support element 14, 114.
  • a guide for choosing the proper height of the stepping surface 16 is as follows:
  • the major advantage of both embodiments of the present invention is its adjustability which allows the safe matching of a person's height and level of fitness with the correct height of stepping surface 16, 116.
  • the participant can vary the intensity of the exercise to meet their individual needs.
  • the structures 10, 100 can be adjusted during an exercise session by either adding or removing support elements 14, 114. This helps to maintain the intensity at the correct level within the target heart range.
  • the structures 10, 100 are used to elevate the heart rate of the participant. By using various elements in conjunction with an instructor or video cassette, the participant achieves a high intensity, low impact workout within their target heart range.

Abstract

An adjustable stepping structure (100) for aerobic exercises comprising a platform (117) upon which the participant places his or her feet, the platform being elevated above a support surface by means of one or more support elements (114) which are capable of being detachably stacked upon each other until the platform is maintained at a selected distance above the support surface, depending upon the skill and physical characteristics of the participant.

Description

ADJUSTABLE STEPPING STRUCTURE FOR AEROBIC EXERCISES
TECHNICAL FIELD The present invention relates to aerobic exercise devices and, more particularly, to an adjustable stepping structure for aerobic exercises.
BACKGROUND ART It is known in aerobic exercising to use a conditioning program based on stair climbing to develop, simultaneously, strength and improved cardiovascular endurance. For instance, during a 60-minute aerobic workout, the participant may, using optional hand-held weights, climb on and off platforms that are available at a number of different heights. Such stepping sessions may last for from five to twenty-five minutes per period during such workouts and are combined with traditional aerobic movements.
The disadvantage of the present stair climbing programs is that they utilize fixed-height platforms which do not easily accommodate participants of varying degrees of physical height or expertise in aerobics. Also, the fixed platforms or steps make it more difficult to vary the intensity of the exercise. In group classes, the participant may be forced to use a step at a particular height based only upon availability and not upon proper sizing. This can make a workout either too hard or too easy. Also, in the home market, the fixed-height platform does not allow for interval training or improved conditioning of the participant.
DISCLOSURE OF THE INVENTION The above disadvantages of the existing exercise stepping systems are overcome by the present invention which provides a unitary, aerobic exercise structure that has a platform upon which the participant steps and which is adjustable in elevation above a support surface. Specifically, two structures are described, each structure including a rectangular platform section that has a flat top surface and a plurality of equally dimensioned support elements which are stackable, one upon the other, each of the elements capable of being detachably engageable with the underside of the platform section so that it is elevated a selected distance above the floor, depending upon the skill and physical characteristics of the user.
The present invention incorporates into one space-saving structure the necessary features of the individual stepping structures of varying heights.
BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a perspective view of the first embodiment of the present invention;
Fig. 2 is an exploded, perspective view of the structure of the first embodiment of the present invention;
Fig. 3 is a front view of the first embodiment of the present invention with a portion broken away for clarity.
Fig. 4 is an exploded perspective view of the second embodiment of the present invention;
Fig. 5 is a front view of a portion of the second embodiment of the present invention;
Fig. 6 is a bottom plan view of a portion of one of the support elements of the support elements of the second embodiment of the present invention; and Fig. 7 is a view of the second embodiment of the present invention taken along line 7-7 in Fig. 5.
BEST MODE OF CARRYING OUT THE INVENTION
A. First Embodiment
Referring to the Figs. 1-3 of the drawings, the numeral 10 denotes generally the first embodiment of the adjustable stepping structure which comprises a platform section 12 and a plurality of means for elevating the platform section 12 a pre-determined distance above a support surface, namely, support elements 14. The section 12 is rectangular in shape and includes a top, stepping surface 16 with depending, parallel side walls 18 and opposed, parallel end walls 20. The surface 16 preferably has a non-slip coating thereon.
Means are provided on the bottom of the section 12 to allow the detachable securing of one of the support elements 14 thereto. Basically, such means comprise at least one opening in underside of section 12 into which is received a portion of the top of one of the support elements 14 as seen in Figs. 2 and 3. A rectangular frame 22 is provided on the bottom surface of side walls 18 and end walls 20. The frame 22 is comprised of end members 24 which underlie end walls 20 and side members 26 which run along the bottom of side walls 18. The members 24, 26 are offset from the outer respective edges 28, 30 of end walls 20 and side walls 18 so as to be complementary to and engage the top surface of the support elements 14, as described below.
Laterally extending between side walls 18 are ribs 32, the distance between the respective side wall 18 and rib 32 being equal to the width of the support elements 14. Elongated, rectangular column members 34 are formed at the intersections of rib 32 and side walls 18 and end walls 20 and side walls 18. Rectangular pads 36 are disposed on the bottoms of the column members 34 and extend below the frame 22. As seen in Fig. 2, a pair of struts 38 longitudinally extend between end walls 20 and the respective ribs 32, with struts 40 longitudinally extending between the ribs 32. The struts 38, 40 provide a means of strengthening the section 12.
The support elements 14 are squares and are of equal dimensions to each other, comprising sides 42 and top 44. An upper element 46 overlies top 44 except at the respective corners and adjacent the upper edges 43 of the sides 42, where top 44 is exposed. The upper element 46 includes an upper surface 48 and depending sides 50, each of which is offset from edges 43 and terminates adjacent their ends in inwardly directed edges 52. The space defined by converging edges 52 is dimensioned to receive therein the columns 34 and pads 36 of the platform section 12. When the columns 34 are received within the above-described spaces on support elements 14, the bottom surface of the ribs 38 engage the upper surface 48 and end members 24 and side members 26 engage the top 44 exposed between upper edges 43 and sides 50.
The under surface of each support element 14 is complementary to both the upper element of the other support elements 14 (so that they may be stacked upon each other) , and the underside of the platform section 12 (so that each support element 14 is capable of detachably engaging and supporting the platform section 12 above the floor) . Each support element 14 includes column members 54 with pads 56 on their bottom surfaces and a pair of strengthening ribs 58. The support elements 14 are stackable upon each other in the same manner as each is capable of engaging the platform section 12, namely, the columns 34 are received within the space formed by edges 52 and top 44 and the upper surface 48 engages the bottom surfaces of ribs 58.
The dimensions of a typical platform section 12 are either 48" x 14" x 4" or 36" x 14" x 4" and the dimensions of a typical support element 14 are 14" x 14" x 2". The stepping surface 16 can be elevated off the ground from 6 inches to 12 inches, in 2-inch increments, by adding the required number of support elements 14. Also, the interlocking, stackable support elements 14 provide stability as the height is increased.
B. Second Embodiment
Figs. 4-7 depict the second embodiment of the present invention, denoted generally by the numeral 100, and comprising a platform section 112 and a plurality of support elements 114 which provide means for vertically adjusting the height of platform section 112 above a support surface, such as a floor. The second embodiment 100 is constructed of a molded high impact plastic materials and functions or operates in the same manner as the first embodiment 10. The basic difference between the two is their respective outward appearance, the second embodiment 100 having a more "modern" look than the first.
The platform section 112 is generally rectangular in shape with a top, stepping surface 116 having a non-slip, textured coating 117 thereon. The side and end walls 118, 120 slant outwardly from the top surface 116 and terminate in horizontally extending, continuous rib 121. The walls 118, 120 then curve downwardly in sections 123, 125 which terminate in flat bottom 127. As seen more clearly in Fig. 5, hand- holds 129 are provided through section 123 to aid in maneuvering the platform section 112. As seen in Fig. 7, the platform section 112 includes an interior wall 127 laterally extending between side walls 118 adjacent each end wall 120 and which projects downwardly from the underside of top surface 116 in sloping direction which parallels approximately the slope of end wall 120. The wall 127 terminates in a horizontal base 129 that is directed toward end wall 120.
Each support element 114 is capable of being telescopingly received within the bottom of the platform section 112, as well as being so received within the bottom of another support element 114 so that they are vertically stackable, as shown in Fig. 4. The support element 114 is a square shaped unitary member and is open through its center. Each element comprises three sections with the top section 131 having a slightly rounded top 133 and a downwardly curved shoulder 135 which terminates in horizontal ledge 137 with wall 139 depending therefrom. The ledge 137 and wall 139 form the middle section 141. The lower section 143 includes a bulbous portion 145 that terminates in rib 147. Inwardly curved bottom portion 149 extends beneath rib 147 and concludes with a flat bottom 151. Hand-inserts 153 are formed in the center of each bottom portion 149 to provide a location for gripping when the support elements 114 are moved about.
As seen in Fig. 6, a square-shaped lug 155 is located at each corner on bottom 151 and are in registry with similarly shaped depressions 157 located on portion 145, as seen in Fig. 4. When the support elements 114 are placed upon each other, the lugs 155 on an upper element 114 are received within a respective lower element 114 to aid in stabilizing the stacked elements 114.
As seen most clearly in Fig. 7, each element 114 includes interior walls 159, 161 joined by curved section 163 with the slope of walls 159, 161 being the same as that of interior wall 127 of the platform section 112. The bottom edge of wall 161 terminates in horizontally extending base 165.
When a support element 114 is telescopingly received within the bottom of platform section 112, the shoulder 135 contacts interior wall 127 and ledge 137 engages the underside of base 129. When an additional support element 114 is added, it is received within an upper support element 114 by having shoulder 135 rest against the underside of curved portion 163 and wall 161, with base 165 resting on ledge 137.
The above-described support elements 14, 114 and the structural means employed to allow them to be stackable in vertical alignment and to support the platform section 12, 120 are merely an example of the currently operable ones. However, any number of other designs could be used such as, for example, having upstanding ribs or plugs on the top of the support elements 14, 114 which are complementary in shape and engage slots on the underside of both the platform section and each support element 14, 114.
A guide for choosing the proper height of the stepping surface 16 is as follows:
HEIGHT OF SURFACE 16 HEIGHT OF PARTICIPANT
6" Under 5* tall, a novice to aerobic exercise or pregnant 8" 51 to 5»6"
10" 5'6" - 6'0"
12" 6»1" and above The major advantage of both embodiments of the present invention is its adjustability which allows the safe matching of a person's height and level of fitness with the correct height of stepping surface 16, 116. By being able to vary the step height, the participant can vary the intensity of the exercise to meet their individual needs. The structures 10, 100 can be adjusted during an exercise session by either adding or removing support elements 14, 114. This helps to maintain the intensity at the correct level within the target heart range.
The structures 10, 100 are used to elevate the heart rate of the participant. By using various elements in conjunction with an instructor or video cassette, the participant achieves a high intensity, low impact workout within their target heart range.

Claims

WHAT I CLAIM IS :
1. An adjustable stepping structure for aerobic exercises, comprising: (a) a platform section having a top stepping surface for receiving thereon the feet of the participant and a shaped underside surface opposite said stepping surface; and
(b) means for elevating said platform section a selected distance above a support surface, said elevating means comprising a plurality of support elements, each of said support elements having a shaped bottom and an opposite top surface which is complementary in shape to and detachably engageable with both said underside surface of said platform as well as said bottom of said support elements, whereby said participant may adjust said distance by utilizing with said platform section a selected one or more of said elevating means.
2. An adjustable stepping structure as claimed in Claim 1 wherein said platform section is rectangular.
3. An adjustable stepping structure as claimed in Claim 1 wherein said support elements have equal dimensions.
4. An adjustable stepping structure as claimed in Claim 1 wherein said shaped underside surface of said platform section comprises an opening in said surface which receives therein a portion of said top surface of said support element.
5. An adjustable stepping structure as claimed in Claim 2 wherein said platform section comprises side and end walls depending from said top stepping surface and said underside surface receiving therein one of said support elements adjacent each of said end walls.
6. An adjustable stepping structure as claimed in Claim 5 wherein said shaped bottom of said support element has an opening therein for selectively receiving a portion of said top surface of another of said support elements.
EP90915651A 1989-10-06 1990-09-25 Adjustable stepping structure for aerobic exercises Expired - Lifetime EP0494970B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US41815989A 1989-10-06 1989-10-06
US418159 1989-10-06
PCT/US1990/005446 WO1991004767A1 (en) 1989-10-06 1990-09-25 Adjustable stepping structure for aerobic exercises

Publications (3)

Publication Number Publication Date
EP0494970A1 true EP0494970A1 (en) 1992-07-22
EP0494970A4 EP0494970A4 (en) 1992-08-12
EP0494970B1 EP0494970B1 (en) 1994-07-06

Family

ID=23656967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90915651A Expired - Lifetime EP0494970B1 (en) 1989-10-06 1990-09-25 Adjustable stepping structure for aerobic exercises

Country Status (12)

Country Link
EP (1) EP0494970B1 (en)
JP (1) JPH084637B2 (en)
KR (1) KR920703156A (en)
AT (1) ATE108072T1 (en)
AU (1) AU654117B2 (en)
CA (1) CA2067192C (en)
DE (3) DE69010508T2 (en)
DK (1) DK0494970T3 (en)
ES (1) ES2037647T3 (en)
MY (1) MY106579A (en)
NO (1) NO921328L (en)
WO (1) WO1991004767A1 (en)

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JP4801486B2 (en) * 2006-04-10 2011-10-26 アロン化成株式会社 Lifting step
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Publication number Priority date Publication date Assignee Title
DE102007025740A1 (en) 2007-06-01 2008-12-04 Till Garthoff Wellness, rehabilitation and sports/fitness device for integral work-out of e.g. joints, has tread unit and core unit made up of elastic material, where tread unit is firmly connected or disconnected with core unit

Also Published As

Publication number Publication date
AU654117B2 (en) 1994-10-27
NO921328L (en) 1992-06-03
EP0494970B1 (en) 1994-07-06
ATE108072T1 (en) 1994-07-15
DK0494970T3 (en) 1994-11-21
ES2037647T3 (en) 1994-10-16
ES2037647T1 (en) 1993-07-01
DE9017906U1 (en) 1993-01-21
MY106579A (en) 1995-06-30
JPH04507055A (en) 1992-12-10
EP0494970A4 (en) 1992-08-12
DE494970T1 (en) 1993-03-18
CA2067192A1 (en) 1991-04-07
WO1991004767A1 (en) 1991-04-18
DE69010508D1 (en) 1994-08-11
DE69010508T2 (en) 1994-10-20
CA2067192C (en) 1995-07-11
NO921328D0 (en) 1992-04-03
AU6601490A (en) 1991-04-28
KR920703156A (en) 1992-12-17
JPH084637B2 (en) 1996-01-24

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