# US 4,399,445 A · Recorder for an underwater detection system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 4,399,445 A - Document ID: US4399445A - Status: Granted - Kind: A - Application number: 06/198,033 - Filed: 1980-10-17 - Granted: 1983-08-16 - Earliest claimed: 1979-10-30 - Assignees: Furuno Electric Co., Ltd. - Inventors: Yuji Sato; Shoji Koizumi - Web page: https://patentgrep.com/patent/US4399445A ## CPC - G01S 7/60: for providing a permanent recording - G01D 15/28: Holding means for recording surfaces; Guiding means for recording surfaces; Exchanging means for recording surfaces - G01S: RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES - G01D: MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR ## Abstract The present invention is directed to a recording apparatus comprising feeding and receiving means for recording paper that are positioned under a recording surface and rollers, whereby either the feeding means and/or the receiving means can be removed from or installed through the top of the recording apparatus for changing the recording paper. ## Claims ### Claim 1 A recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surface and a roller, the recording paper drawn out of a paper roll mounted on the feed member, progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvments characterized by means for holding and simultaneously moving the supporting member and the roller so that at least one of the feed member and the take-up member can be removed and installed in the recorder from the upper side of the stretched recording paper, in which the holding and moving means comprises: (i) a vertical guide opening, (ii) a supporting member adapted to be moved in said vertical guide opening, (iii) a first supporting means connected to one side of the upper portion of said supporting member at one end thereof by a coupling means and connected to the supporting member with the curved surface at the other end thereof, (iv) a second supporting means connected to the other side of the upper portion of said supporting member at an end thereof by a coupling means, for supporting the roller at the other end thereof, (v) horizontal openings formed in vertical plates disposed perpendicularly to the recording means scan and adjacent to the side of said first and second supporting means respectively, and (vi) pins fixed to at least one of the ends of the supporting member with the curved surface, the roller on said supporting member, and appropriate points on the sides of at least one of said first and second supporting means. ### Claim 2 (depends on 1) A recorder as defined in claim 1 wherein the coupling means comprises a hinged joint. ### Claim 3 A recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surace and a roller, the recording paper drawn out of a paper roll mounted on the feed member, progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvments characterized by means for holding and simultaneously moving the supporting member and the roller so that at least one of the feed member and the take-up member can be removed and installed in the recorder from the upper side of the stretched recording paper, in which the holding and moving means comprises: (i) a first gear rotatably coupled to a vertical plate placed in a direction perpendicular to the recording means scan, (ii) a second gear rotatably coupled to said vertical plate and meshed with said first gear, (iii) a first supporting means affixed to said first gear at one end thereof, for supporting the supporting member with the curved surface at the other end thereof, and (iv) a second supporting means affixed to said second gear at one end thereof, for supporting the roller at the other end of said second supporting means. ### Claim 4 (depends on 3) A recorder as defined in claim 3 wherein at least one of the first and second supporting means has a portion at the one end thereof to press the other supporting means upwardly when the recorder is set to a writing operational mode. ### Claim 5 A recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surface and a roller, the recording paper drawn out of a paper roll mounted on the feed member, progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvments characterized by means for holding and simultaneously moving the supporting member and the roller so that at least one of the feed member and the take-up member can be removed and installed in the recorder from the upper side of the stretched recording paper, in which the holding and moving means comprises: (i) a first supporting means rotatably supported by vertical plates therebetween and disposed in a direction perpendicular to the recording means scan, for supporting the supporting member with the curved surface at one end thereof, (ii) horizontal openings respectively formed in said vertical plates, (iii) a second supporting means connected at one end thereof to the other end of said first supporting means by a coupling means, for supporting the roller at the other end of said second supporting means, and (iv) pins affixed to said second supporting means and adapted to slidably move in said horizontal openings when said first supporting means is turned. ### Claim 6 (depends on 5) A recorder as defined in claim 5 wherein the coupling means comprises a hinged joint. ### Claim 7 A recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surface and a roller, the recording paper drawn out of a paper roll mounted on the feed member, progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvments characterized by means for holding and simultaneously moving the supporting member and the roller so that at least one of the feed member and the take-up member can be removed and installed in the recorder from the upper side of the stretched recording paper, in which the holding and moving means comprises: (i) supporting means rotatably supported by vertical plates therebetween and disposed in a direction perpendicular to the recording means scan, for supporting the supporting member with curved surface at one end thereof, (ii) means rotatably supported around at least one of the axis of the take-up member and a point adjacent to the axis at one end thereof, for rotatably supporting the roller at the other end thereof, and (iii) a bar rotatably secured at an end thereof to the other end of said second supporting means (ii) and rotatably secured at the other end thereof to said first supporting means (i). ### Claim 8 (depends on 1, 3, 4, 5, 7) A recorder as defined in claims 1, 3, 4, 5 or 7 wherein the supporting member with the curved surface comprises a roller. ### Claim 9 (depends on 1, 3, 4, 5, 7) A recorder as defined in claims 1, 3, 4, 5 or 7 wherein the supporting means comprises a plate. ### Claim 10 In a recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surface and a roller, the recording paper drawn out of a paper roll mounted on the feed member, and progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvement characterized by: (i) a first gear rotatably coupled to a vertical plate placed in a direction perpendicular to the recording means scan, (ii) a second gear rotatably coupled to the vertical plate and meshed with said first gear, (iii) a first supporting means affixed to said first gear at one end thereof, for supporting the supporting member with the curved surface at the other end thereof, (iv) a second supporting means affixed to said second gear at one end thereof, for supporting the roller at the other end thereof, (v) a first suspension means for suspending the feed member from said first supporting means, and (vi) a second suspension means for suspending the take-up member from said second supporting means. ### Claim 11 (depends on 10) A recorder as defined in claim 10 wherein at least one of the feed member and the take-up member comprises reels. ### Claim 12 (depends on 10) A recorder as defined in claim 10 wherein at least one of the first and second supporting means has a portion at one end thereof to upwardly press the other supporting means when the recorder is set in a writing operational mode. ### Claim 13 (depends on 10, 12) A recorder as defined in claims 10 or 12 wherein the supporting member with curved surface comprises a roller. ### Claim 14 (depends on 10, 12) A recorder as defined in claims 10 or 12 wherein the supporting means comprises a plate. ### Claim 15 In a recorder having a feed member and a take-up member positioned under stretched recording paper extending about a supporting member with a curved surface and a roller, the recording paper drawn out of a paper roll mounted on the feed member, and progressively passing over the supporting member, the roller and being wound onto the take-up member, and the recorder having at least one recording means moving across the width of the recording paper, the improvement characterized by: (i) a first supporting means rotatably supported by vertical plates therebetween and disposed in a direction perpendicular to the recording means scan for supporting the member with the curved surface at one end thereof, (ii) horizontal openings respectively formed in said vertical plates, (iii) a second supporting means connected at one end thereof to the other end of said first supporting means by a coupling means, for supporting the roller at the other end thereof, (iv) pins affixed to said second supporting means adapted to respectively move in said horizontal openings when said first supporting means is turned, (v) a first suspension means for suspending the feed member from said first supporting means, and (vi) a second suspension means for suspending the take-up member from said second supporting means. ### Claim 16 (depends on 15) A recorder as defined in claim 15 wherein at least one of the feed member and the take-up member comprises reels. ### Claim 17 (depends on 15) A recorder as defined in claim 15 wherein the coupling means comprises a hinged joint. ### Claim 18 (depends on 15) A recorder as defined in claim 15 wherein the supporting member with the curved surface comprises a roller. ### Claim 19 (depends on 15) A recorder as defined in claim 15 wherein the supporting means comprises a plate. ### Claim 20 A device for changing paper in a recorder comprising: (A) a lateral support plate with a horizontally extending slot; (B) a roller supported by a movable guide pin in the horizontally extending slot; (C) a vertical support member, and (D) a cover plate connected at one end to the roller and at the other end to the vertical support member, so that when said vertical support member is lifted vertically, said roller and guide pin move horizontally inwardly along said horizontally extending slot, and said cover plate is raised upwardly in the direction of said vertical support member. ### Claim 21 (depends on 20) The device of claim 20 comprising: (A) a pair of lateral support plates with horizontally extending slots; (B) a pair of rollers supported by movable guide pins in the horizontally extending slots; (C) a vertical support member positioned between the lateral support plates; and (D) a pair of cover plates, each plate connected at one end to one of the pair of rollers and connected at the other end to the vertical support member, so that when said vertical support member is lifted vertically, said rollers and guide pins move horizontally inwardly along said horizontally extending slots toward each other, and said cover plates are raised upwardly in the direction of said vertical support member. ### Claim 22 (depends on 21) The device of claim 21 additionally comprising a pair of springs, each spring positioned between said vertical support member and one of the pair of cover plates to foster raising of the cover plates with the vertical support member. ### Claim 23 (depends on 22) The device of claim 22 wherein said cover plates are connected to said vertical support member by a hinged arrangement. ### Claim 24 (depends on 23) The device of claim 23 wherein said vertical support member is substantially rectangular parallelpiped in shape. ### Claim 25 (depends on 25) The device of claim 25 additionally comprising a spring and arm to press recording paper against one of the pairs of rollers. ### Claim 26 A device for changing paper in a recorder comprising: (A) a roller; (B) a cover plate; (C) a first arm supporting said roller and connected to a second roller; (D) a second arm connected at one end to said first arm so that said roller is rotatable about said second roller, and connected at the other end to said cover plate; and (E) a horizontally-extending bar rotatably supporting said cover plate, so that when said cover plate is rotated about said horizontally-extending bar, said roller (A) is rotated in the opposite direction and toward said cover plate. ### Claim 27 (depends on 26) The device of claim 26 wherein said second arm and said horizontally-extending bar are connected to said cover plate with brackets. ### Claim 28 (depends on 27) The device of claim 27 additionally comprising a spring and arm to press recording paper against said roller. ### Claim 29 A device for changing paper in a recorder comprising: (A) a pair of cover plates, and (B) a pair of meshed gears, each gear connected to an end of a cover plate, so that when the gears are rotated in respective clockwise and counter-clockwise directions, the cover plates are rotated upwardly toward each other. ### Claim 30 (depends on 29) The device of claim 29 additionally comprising a pair of rollers with each roller positioned on an end of a cover plate opposite the end connected to the gear. ### Claim 31 (depends on 30) The device of claim 30 additionally comprising a pair of suspension plates, each suspension plate affixed underneath a respective cover plate, and a pair of reels, each reel supported by a respective suspension plate at an end opposite the cover plate, so that said reels and suspension plates are rotated upwardly with said cover plates. ### Claim 32 (depends on 31) The device of claim 31 additionally comprising a spring and arm to press recording paper against one of said rollers. ### Claim 33 (depends on 29, 31) The device of claims 29 or 31 wherein one of said pair of cover plates additionally comprises a curved extension at one end thereof to engage the underside of other cover plate when said plates are in fully extended positions to eliminate longitudinal vibration of the cover plates. ### Claim 34 A device for changing paper in a recorder comprising: (A) a lateral support plate with a horizontally-extending slot; (B) a pair of cover plates connected with one another by a flexible coupling means; (C) a horizontally-extending rod rotatably supporting one of said pair of cover plates; and (D) a movable guide pin connected to said other cover plate and positioned within the horizontally-extending slot of said lateral support plate, so that when said first cover plate is rotated upwardly about said rod, said guide pin moves inwardly along said horizontally-extending slot toward said first cover plate and said other cover plate is also rotated upwardly in the opposite direction towards said first cover plate. ### Claim 35 (depends on 34) The device of claim 34 wherein the flexible coupling means is a hinged arrangement. ### Claim 36 (depends on 35) The device of claim 35 additionally comprising a pair of rollers with each roller positioned on an end of a cover plate opposite the end connected to the hinged arrangement. ### Claim 37 (depends on 36) The device of claim 36 additionally comprising a pair of suspension plates, each suspension plate affixed underneath a respective cover plate, and a pair of reels, each reel supported by a respective suspension plate at an end opposite the cover plate, so that said reels and suspension plates are rotated upwardly with said cover plates.