IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0187234
(2002-07-02)
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발명자
/ 주소 |
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인용정보 |
피인용 횟수 :
3 인용 특허 :
5 |
초록
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The present invention provides an attitude control actuation apparatus and method to perform reaction wheel desaturation. Two or more reaction wheels are used for each of the three axis. The two reaction wheels are used to perform a simple cost effective electric powered desaturation or slowing of t
The present invention provides an attitude control actuation apparatus and method to perform reaction wheel desaturation. Two or more reaction wheels are used for each of the three axis. The two reaction wheels are used to perform a simple cost effective electric powered desaturation or slowing of the reaction wheels by exchanging momentum with each other.
대표청구항
▼
The present invention provides an attitude control actuation apparatus and method to perform reaction wheel desaturation. Two or more reaction wheels are used for each of the three axis. The two reaction wheels are used to perform a simple cost effective electric powered desaturation or slowing of t
The present invention provides an attitude control actuation apparatus and method to perform reaction wheel desaturation. Two or more reaction wheels are used for each of the three axis. The two reaction wheels are used to perform a simple cost effective electric powered desaturation or slowing of the reaction wheels by exchanging momentum with each other. ner portion. 16. The electric device according to claim 15, wherein a hinge is formed between said lid part of said retainer portion and said tubular part of said retainer portion to prevent complete separation of said lid part from said tubular part. 17. An electric device for a bicycle comprising: a housing portion; a bobbin portion extending from the housing portion, said bobbin portion having a winding surface and including a pair of bobbin sections spaced from each other to form a cord receiving space therebetween, each of said bobbin sections having a portion of said winding surface formed thereon; and a retainer portion coupled to overlie a portion of said bobbin portion to retain an electrical cord on said winding surface of said bobbin portion, said housing portion having a cord opening located between said pair of bobbin sections and substantially aligned with said cord receiving space. 18. The electric device according to claim 17, wherein each of said bobbin sections includes an abutment surface adapted to engage part of a cord. 19. An electric device for a bicycle comprising: a housing portion; a bobbin portion extending from the housing portion, said bobbin portion having a winding surface; and a retainer portion coupled to overlie a portion of said bobbin portion to retain an electrical cord on said winding surface of said bobbin portion, said bobbin portion having a first fastening part that mates with a second fastening part of said retainer portion to releasable couple said retainer portion to said bobbin portion, said bobbin portion having a fixed end coupled to said housing portion and a free end with said first fastening part formed thereon, said retainer portion including a tubular part that is a separate member from said bobbin portion, said tubular part of said retainer portion having a first open end and a second open end with said first and second fastening parts forming a snap-fit connection therebetween, said second fastening part of said retainer portion including an engagement surface located adjacent said second open end of said tubular part and said first fastening part of said bobbin portion including a pair of hooks that engage said engagement surface of said tubular part, said bobbin portion including a pair of bobbin sections spaced from each other to form a cord receiving space therebetween, each of said bobbin sections having one of said hooks, said housing portion having a cord opening located between said pair of bobbin sections and substantially aligned with said cord receiving space. 20. An electric device for a bicycle comprising: a housing portion; a bobbin portion extending from the housing portion, said bobbin portion having a winding surface; and a retainer portion coupled to overlie a portion of said bobbin portion to retain an electrical cord on said winding surface of said bobbin portion, said bobbin portion having a first fastening part that mates with a second fastening part of said retainer portion to releasable couple said retainer portion to said bobbin portion, said retainer portion including a tubular part that is a separate member from said bobbin portion, said tubular part of said retainer portion having a first open end and a second open end with said first and second fastening parts forming a snap-fit connection therebetween, said tubular part of said retainer portion having a first alignment member and one of said bobbin portion and said housing portion having a second alignment member. 21. The electric device according to claim 20, wherein said first alignment member is a notch and said second alignment member is a projection that mates with said notch. 22. An electric device for a bicycle comprising: a housing portion; a bobbin portion extending from the housing portion, said bobbin portion having a winding surface; and a retainer portion coupled to overlie a portion of said bobbin portion to retain an electrical cord o n said winding surface of said bobbin portion, said retainer portion including a tubular part and a lid part releasably coupled to said tubular part, a latch being formed between said lid part of said retainer portion and an open free end of said tubular part of said retainer portion, said tubular part having a cord recess formed adjacent said open free end of said tubular part, a hinge being formed between said lid part of said retainer portion and said tubular part of said retainer portion to prevent complete separation of said lid part from said tubular part. 23. The electric device according to claim 22, wherein said housing portion has a cord opening located between said winding surface of said bobbin portion and said tubular part of said retainer portion. 24. An electric device for a bicycle comprising: a housing portion including a member configured to be electrically coupled to an electrical cord, said electric device being an electronic shifting device; and a cord retainer including a bobbin portion extending from said housing portion, said bobbin portion having a winding surface, said cord retainer being arranged and configured to retain the electrical cord on said winding surface of said bobbin portion. 25. The electric device according to claim 24, wherein said member including at least one shift button. 26. An electric device for a bicycle comprising: a housing portion including a member configured to be electrically coupled to an electrical cord, said electric device being a cycle computer; and a cord retainer including a bobbin portion extending from said housing portion, said bobbin portion having a winding surface, said cord retainer being arranged and configured to retain the electrical cord on said winding surface of said bobbin portion. 27. The electric device according to claim 26, further comprising: a display device. 28. The electric device according to claim 26, further comprising: at least one control button. herein the frame is rectangular and has a front side, a right side, a left side, and a rear side, wherein the fixed post and the spool support post are disposed between the right side and the left side, and wherein the dispenser further comprises at least one low stanchion projecting from the frame, the low stanchion having a receptacle disposed atop the low stanchion, the dispenser further comprising a. a bar dimensioned and configured to be manually removably received in the receptacle, and b. a retainer disposed to retain the bar on the frame when the bar is not received within the receptacle. 8. The dispenser according to claim 1, wherein the dispenser comprises a plurality of fixed posts, each fixed having an upper end, and a carrying means fixed thereto at the upper ends. 9. The dispenser according to claim 8, wherein the carrying means is a horizontal work surface, whereby tools and other work materials may be placed thereon and transported by the carriage along with the spools. 10. The dispenser according to claim 8, wherein the carrying means is a work surface having a portion inclined downwardly from the horizontal, whereby blueprints and other large drawings may be spread out for convenient viewing during work. 11. The dispenser according to claim 8, wherein the carrying means comprises one or more horizontal bins, whereby small items and tools may be stored and used during work. 12. A dispenser for dispensing elongate stock material from spools, comprising a. a rectangular frame having (1) a forward side, a right side, a left side, and a rear side, (2) a plurality of wheels depending therefrom, whereby the dispenser can be rolled across a floor, (3) a first fixed post and a second fixed post, the fixed posts solidly fixed to the frame and projecting upwardly from the frame, each fixed post having an upper end, an upwardly open carrier fixed thereto at the upper ends, and (4) a handle and a swivelling connector disposed to attach the handle pivotally to the frame such that the handle selectively assumes different angles relative to a horizontal direction when the frame is horizontally oriented, and a clevis and a removable pin engageable with the clevis, the clevis and pin disposed to retain the handle in a substantially upright position relative to the fixed posts; and b. a spool support post rotatably mounted on the frame between the fixed posts and projecting upwardly from the frame, wherein the spool support post has a rod projecting laterally therefrom, and means for rotatably mounting the spool support post on the frame, a selected fixed post having a holder disposed to releasably hold the rod to the selected fixed post, wherein (1) the first fixed post, the second fixed post, and the spool support post are disposed between the right side and the left side, and wherein the dispenser further comprises a low stanchion projecting from the frame, the low stanchion having a receptacle disposed atop the low stanchion, (2) the dispenser further comprising a bar dimensioned and configured to be manually removably received in the receptacle, and a retainer disposed to retain the bar on the frame when the bar is not received within the receptacle. 13. A dispenser for dispensing elongate stock material from spools, comprising a. a rectangular frame having (1) a forward side, a right side, a left side, and a rear side, (2) a plurality of wheels depending therefrom, whereby the dispenser can be rolled across a floor, (3) a plurality of fixed posts solidly fixed to the frame and projecting upwardly from the frame, two of the fixed posts each having an upper end, the upper ends supporting a horizontal tool shelf fixed thereto at the upper ends, and (4) a handle and a swivelling connector disposed to attach the handle pivotally to the frame such that the handle selectively assumes different angles relative to a horizontal direction when the frame is horizontally oriented, and a clevis and a remov able pin engageable with the clevis, the clevis and pin disposed to retain the handle in a substantially upright position relative to a selected fixed post; and b. a spool support post rotatably mounted on the frame between the plurality of fixed posts and projecting upwardly from the frame, the spool support post having at least one rod projecting laterally therefrom, and a means for rotatably mounting the spool support post on the frame, wherein one of said fixed posts has a holder disposed to releasably hold the rod to one of the fixed posts, wherein (1) each fixed post and the spool support post are disposed between the right side and the left side, the dispenser further comprising a low stanchion projecting from the frame, the low stanchion having a receptacle disposed atop the low stanchion, (2) the dispenser further comprising a bar dimensioned and configured to be manually removably received in the receptacle, and a retainer disposed to retain the bar on the frame when the bar is not received within the receptacle. 14. A dispenser for dispensing elongate stock material from spools, comprising a horizontal frame having a longitudinal axis, a central member located along the longitudinal axis, and a plurality of fixed posts supported on the central member and projecting upwardly therefrom, wherein a. at least one of the posts has a plurality of rods projecting laterally on opposed sides of the at least one of the posts and projecting horizontally therefrom such that each of the rods is connected to the at least one of the posts at one end and has a second free end, the frame has a plurality of wheels depending therefrom, whereby the dispenser can be rolled across a flat environmental surface, and b. at least two of the posts each have an upper end and a carrying means fixed thereto at the upper end; c. the dispenser further comprising a plurality of low stanchions projecting from the frame, at least one low stanchion having a receptacle disposed atop the at least one low stanchion, the dispenser further comprising a bar dimensioned and configured to be manually removably received in the receptacle, and a retainer disposed to retain the bar on the frame when the bar is not received within the receptacle. 15. The dispenser according to claim 14, wherein said frame has a handle and a pivoting connector disposed to attach said handle pivotally to said frame such that said handle selectively assumes different angles relative to a horizontal direction when said frame is horizontally oriented. 16. The dispenser according to claim 15, further comprising a clevis and a removable pin engageable with said clevis, said clevis and said pin disposed to retain said handle in a substantially upright position relative to said at least one said post. 17. The dispenser according to claim 14, wherein said carrying means is a horizontal work surface, wherein tools and other work materials may be place thereon and transported by said carriage along with said spools. 18. The dispenser according to claim 14, wherein said carrying means is work surface is inclined from the horizontal, whereby blueprints and other large drawings may be spread out for convenient viewing during work. 19. The dispenser according to claim 14, wherein said carrying means consists of a series of horizontal bins for storage of small items and tools to be used during work. 20. A combined wire dispenser and material hauling carriage for carrying spools of wire and other stock materials, comprising a horizontal frame having a longitudinal axis and a central member located along the longitudinal axis of the frame, and a plurality of posts supported on the central member and projecting upwardly therefrom, wherein a. at least one of the posts has a plurality of rods projecting laterally on opposed sides of the at least one of the posts and projecting horizontally therefrom such that each of the rods is connected to the at least one of the posts at one end an d has a second free end, b. the frame has a plurality of wheels depending therefrom, whereby the combined wire dispenser and material hauling carriage can be rolled across a flat environmental surface, and c. at least two of the posts each have an upper end and a carrying means fixed thereto at the upper end. 21. The combined wire dispenser and material hauling carriage of claim 20, wherein said carrying means is an upwardly open carrier, whereby lumber, conduit, and other elongate material can be placed in and span said upwardly open carriers. 22. The combined wire dispenser and material hauling carriage of claim 21, wherein a removable work surface is positioned to span said upwardly open carriers. 23. The combined wire dispenser and material hauling carriage of claim 20, wherein said carrying means is a horizontal work surface, wherein tools and other work materials may be place thereon and transported by said carriage along with said spools. 24. The combined wire dispenser and material hauling carriage of claim 20, wherein said carrying means is work surface is inclined from the horizontal, whereby blueprints and other large drawings may be spread out for convenient viewing during work. 25. The combined wire dispenser and material hauling carriage of claim 20, wherein said carrying means consists of a series of horizontal bins for storage of small items and tools to be used during work. 26. The combined wire dispenser and material hauling carriage of claim 20, further comprising a locking means disposed to releasably and rigidly position at a designated angle of rotation at least one said post having said plurality of laterally projecting rods. 27. The combined wire dispenser and material hauling carriage of claim 20, wherein the frame having the central member and the at least one of the posts having a first plurality of rods is cooperatively configured to allow removal of the at least one of the posts from the frame and the central member, whereby the at least one of the posts is replaceable by a second said at least one of the posts having a second plurality of rods. 28. A combined wire dispenser and material hauling carriage for carrying spools of wire and other stock materials, comprising a horizontal frame having a longitudinal axis and a central member located along said longitudinal axis of said frame, and a plurality of posts supported on said central member and projecting upwardly therefrom, wherein a. at least one of the posts has a plurality of rods projecting laterally on opposed sides of the at least one of the posts and projecting horizontally therefrom such that each of the rods is connected to the at least one the posts at one end and has a second free end, the at least one of the posts and the frame being cooperatively assembled to allow the at least one of the posts to be readily removable for replacement; b. the frame has a plurality of wheels depending therefrom, whereby the combined wire dispenser and material hauling carriage can be rolled across a flat environmental surface; and, c. at least two of the posts each have an upper end and a carrying means fixed thereto at the upper end. 29. The combined wire dispenser and material hauling carriage of claim 28, wherein the at least one of the posts is rotatable, and further comprising a locking means disposed to releasably and rigidly position at a designated angle of rotation at least one of the posts having the removable post. 30. A dispenser for dispensing elongate stock material from spools, comprising a. a frame; b. at least two fixed posts solidly fixed to said frame and projecting upwardly from said frame, said at least two fixed posts each having an upper end and a carrying means fixed thereto at said upper end; and c. a spool support post rotatably mounted on said frame and projecting upwardly from said frame, wherein said spool support post has a vertically oriented longitudinal axis and at least one rod projecting laterally fro
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