[특허]Mailing machine transport system with integral scale for weighing mail pieces where the contact force on the take away rollers is reduced to eliminate oscillations of the weighing platform

[미국특허] Mailing machine transport system with integral scale for weighing mail pieces where the contact force on the take away rollers is reduced to eliminate oscillations of the weighing platform 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G01G-019/40 G01G-023/06 G01G-023/12
출원번호	US-0640478 (2009-12-17)
등록번호	US-8148650 (2012-04-03)
발명자 / 주소	Sye, Chiping
출원인 / 주소	Pitney Bowes Inc.
대리인 / 주소	Lemm, Brian A.
인용정보	피인용 횟수 : 13 인용 특허 : 18

초록 ▼

A transport system that reduces the amount of oscillation of the weighing platform thereby weighing mail pieces faster. A take-away nip of the weighing module is formed by a pivot arm having a roller mounted thereon and a drive roller mounted in the weighing platform. The take-away nip feeds mail pieces from the weighing platform to the subsequent module of the mailing machine. The pivot arm has a biasing mechanism with a force that results in less impact force between the pivot arm roller and drive roller when the trailing edge of each mail piece passes through the take-away nip, resulting in less vibration of the weighing platform as mail pieces exit the weighing platform. The reduction in vibration results quicker settling of the weighing platform during weighing of subsequent mail piece, allowing for faster weighing of the mail pieces, which increases the throughput of the mailing machine.

대표청구항 ▼

1. A mail processing system comprising: a transport path for transporting a mail piece through the mail processing system;a weighing module for weighing the mail piece being transported along the transport path, the weighing module including a load cell for determining a weight of the mail piece;a weighing platform supported by the load cell, the weighing platform for supporting the mail piece being weighed by the load cell;at least one first nip located along the weighing platform, each of the at least one first nip formed by a first roller mounted on a respective pivot arm having a first biasing mechanism to bias the pivot arm toward the weighing platform such that the first rollers apply force to the mail piece on the weighing platform to maintain the mail piece in contact with a driving device that moves the mail piece along the transport path through the weighing module, the first biasing mechanism having a first force;a take-away nip located in a downstream direction from the at least one first nip along the weighing platform to feed the mail piece from the weighing module to a subsequent module along the transport path of the mail processing system, the take-away nip being formed by a take-away roller and a drive roller mounted in the weighing platform, the take-away roller being mounted on a take-away pivot arm having a second biasing mechanism to bias the pivot arm toward the weighing platform such the take-away roller applies force to the mail piece to maintain the mail piece in contact with the drive roller, the second biasing mechanism having a second force that is less than the first force. 2. The mail processing system of claim 1, wherein the driving device further comprises: a belt positioned to contact a mail piece on a weighing platform of the weighing module to move the mail piece along the weighing platform. 3. The mail processing system of claim 1, wherein the driving device further comprises: at least one second roller positioned to contact a mail piece on a weighing platform of the weighing module to move the mail piece along the weighing platform. 4. The mail processing system of claim 1, wherein the first and second biasing mechanisms are torsion springs. 5. The mail processing system of claim 4, wherein the second force is approximately 0.25 pounds. 6. The mail processing system of claim 5, wherein the first force is approximately 0.75 pounds. 7. A weighing module for weighing mail pieces being processed by a mail processing system, the weighing module comprising: a load cell;a weighing platform supported by the load cell;a belt positioned to contact a mail piece on a weighing platform of the weighing module to move the mail piece along the weighing platform;at least one of pivot arm having a respective roller mounted thereon, each of the at least one pivot arms having a respective first biasing mechanism to bias the pivot arm toward the weighing platform such that the roller contacts the belt, the first biasing mechanism having a first force; anda take-away nip located in a downstream direction from the belt, the take-away nip being formed by a take-away roller and a drive roller mounted in the weighing platform, the drive roller having a portion that extends above the weighing platform, the take-away roller being mounted on a take-away pivot arm having a second biasing mechanism to bias the pivot arm toward the weighing platform such the take-away roller contacts the drive roller, the second biasing mechanism having a second force that is less than the first force. 8. The weighing module of claim 7, wherein the first and second biasing mechanisms are torsion springs. 9. The weighing module of claim 8, wherein the second force is approximately 0.25 pounds. 10. The weighing module of claim 9, wherein the first force is approximately 0.75 pounds.

이 특허에 인용된 특허 (18) 인용/피인용 타임라인 분석

Miller, John P.; Ballurkar, Sanju; Yap, Anthony E.; Joyce, Steven H., Apparatus and method for weighing mailpieces in motion.
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Cohen Jack A. (Norwalk CT) Kipp Frederick M. (Fairfield CT), Apparatus for controlling the transport mechanism of a weighing scale.
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Freeman Gerald C. ; Mattingly Douglas M. ; Salazar Edilberto I., Article transport apparatus.
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Kohashi Toru (Hyogo JPX) Adachi Motoyuki (Hyogo JPX), Device for correcting dynamic weight signal from conveyer weigher.
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Lyga Thomas M., Fixed transport assembly for mail weighing scale.
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Freeman Gerald C. (Norwalk CT) Lilly Norman (Stratford CT), Load cell supporting member and weighing scale incorporating the same.
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Salomon, James A., Method and apparatus for determining the mass of an article using a load cell.
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Wall, Joseph E.; Joyce, Steven H.; Gateman, Jeffrey A.; Belec, Eric A., Self-adjusting support skis for weighing device.
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Rydzak Stanley (Brookfield CT), Software control of a weigh and feed transport in a weighing module.
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Salazar,Edilberto I.; Kasmin,Michael J., System and method for fast weighing of items such as mailpieces.
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Eaton, David J.; Massucci, John E.; Miller, John P., System and method for weighing items such as mailpieces in the presence of external vibration.
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Eaton, David J.; Massucci, John E.; Miller, John P., System and method for weighing items such as mailpieces with varying accuracy.
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Dolan Donald T. ; Freeman Gerald C. ; Manduley Flavio M. ; Nagarsheth Pushpavadan S. ; Salazar Edilberto I., Transport apparatus for a weighing module.
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Kulpa, Walter J., Transport mechanism for a mailing machine.
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Kipp Frederick M. (Fairfield CT), Transport mechanism for a weighing scale.
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Hubbard David W. (Stamford CT) Kocot Joseph R. (Danbury CT), Transporting and drive mechanism for a weighing scale.
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Vande Berg David M., Weighing scale for moving loads.
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Freeman Gerald C. (Norwalk CT), Weighing scale with improved damping of oscillations.
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Turner, Bryan, Scale for weighing flowing granular materials.
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Turner, Bryan J., Scale for weighing parcels.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

[미국특허] Mailing machine transport system with integral scale for weighing mail pieces where the contact force on the take away rollers is reduced to eliminate oscillations of the weighing platform 원문보기

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[미국특허] Mailing machine transport system with integral scale for weighing mail pieces where the contact force on the take away rollers is reduced to eliminate oscillations of the weighing platform 원문보기

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이 특허에 인용된 특허 (18) 인용/피인용 타임라인 분석

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