[특허]Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism

[미국특허] Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A47L-009/00
출원번호	US-0000568 (1986-12-31)
발명자 / 주소	Martin Dean C. (Golden Valley MN) Kleiss Roderick E. (Little Canada MN) Hardy James A. (Boyle County KY)
출원인 / 주소	Whirlpool Corporation (Benton Harbor MI 02)
인용정보	피인용 횟수 : 22 인용 특허 : 0

초록 ▼

A self-propelled, upright suction or vacuum cleaner includes a base unit and a handle assembly pivotally extending therefrom that can be pivoted from an upright position to a comfortable operating position. The handle assembly includes a handle grip at one end and a drive system housing at its other end containing a drive system including a cleaner motor for propelling the cleaner. The drive system includes a transmission for transferring power from the cleaner motor to a pair of drive wheels fixedly secured to a drive axle. The transmission is remotely disposed from the drive axle and is connected thereto by a drive belt. The transmission includes an actuator that is controlled by a cable extending from the handle grip. As long as the handle grip maintains the actuator in a neutral position, the drive wheels are not rotated. If the handle grip is pushed or pulled by an operator, the actuator is pivoted by the cable and the transmission causes the drive wheels to propel the cleaner in a forward direction or a reverse direction, respectively. In order to ensure that the cleaner is not propelled by the drive wheels when the handle assembly is in its upright position, a positive acting locking mechanism that includes an actuator rod pivotably connected to the base unit causes a locking lever to be pivoted into engagement with the actuator to maintain the actuator in its neutral position.

대표청구항 ▼

A self-propelled, upright vacuum cleaner comprising a base unit, a handle assembly pivotally mounted on said base unit for movement between an upright position and an operating position, a cleaner motor having a motor output shaft, at least one drive wheel for propelling said vacuum cleaner, a drive shaft to which said drive wheel is attached for rotating said drive wheel, a transmission for transferring the power from said motor to said drive wheel, said transmission having a transmission input shaft coupled to said motor output shaft and a transmission output shaft coupled to said drive shaft, said transmission being disposed in said cleaner remote from said drive shaft, elongated drive belt means for coupling said transmission output shaft to said drive shaft, manually engageable means mounted on said handle assembly for controlling said transmission, an actuator for controlling the movement of said transmission output shaft, said actuator including opposed E-shaped end walls connected by spaced-apart side walls and being mounted in said transmission for pivotal movement, clutch means included in said transmission and responsive to said actuator for controlling the movement of said transmission output shaft, an elongated cable connected between said control means and said actuator for moving said actuator in response to the movement of said control means, said actuator being movable by said cable to a first position such that said transmission output shaft is rotated in a first direction, to a second position such that said transmission output shaft is rotated in a second, opposite direction and to a third position such that said transmission output shaft is not rotated and locking means for engaging and maintaining said actuator in said third position when said handle assembly is in said upright position.

이 특허를 인용한 특허 (22) 인용/피인용 타임라인 분석

Bobrosky Vincent L. ; Eisenmenger Richard J. ; Huebsch John A. ; Kontio Christer T. ; Mulcahy Joseph L. ; Reimer William R. ; Toohill Timothy P., Air filtering self-propelled upright vacuum cleaner.
상세보기
Bobrosky Vincent L. ; Eisenmenger Richard J. ; Huebsch John A. ; Kontio Christer T. ; Mulcahy Joseph L. ; Reimer William R. ; Toohill Timothy P., Air filtrating self-propelled upright vacuum cleaner.
상세보기
Cipolla,Mark E.; Paliobeis,Steven J., Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor.
상세보기
Cipolla,Mark E.; Paliobeis,Steven J., Clutchless self-propelled vacuum cleaner and nozzle height adjustment mechanism therefor.
상세보기
Rennecker David B. (Canton OH) Hisrich Timothy B. (Canton OH) Berkshire Gary L. (Dover OH), Control cable and wiring arrangement for a vaccum cleaner.
상세보기
Conner,Michael P.; Paliobeis,Steven J.; Vystreil,Robert A.; Pigza,Mark A., Control circuitry for enabling drive system for vacuum cleaner.
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Conner,Michael P.; McKee,Robert N., Electronically commutated drive system for vacuum cleaner.
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Bantum, John, Extractor cleaning machine.
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Morgan Jeffrey A. ; Louis Jeffrey S. ; Thomas Kevin L., Handle operated power drive link lockout.
상세보기
Weber Vincent L. ; Morgan Jeffery A. ; Symensma Kenneth L. ; Specht Glenn E., Self-propelled upright vacuum cleaner with offset agitator and motor pivot points.
상세보기
Conner,Michael P.; Vystrcil,Robert A.; Paliobeis,Steven J., Self-propelled vacuum cleaner with a neutral return spring.
상세보기
Kasper,Gary A.; Scott,Allen W.; Tran,Phong Hoang; McDowell,David E.; Smith,Gary L., Surface cleaner with power drive.
상세보기
Louis Jeffrey S. ; Morgan Jeffery A. ; Weber Vincent L. ; Specht Glenn E. ; Symensma Kenneth L., Transmission neutral locking arrangement for a self-propelled vacuum cleaner.
상세보기
Liebig, Oliver; Mersmann, Udo; Poetting, Michael, Upright vacuum cleaner.
상세보기
Weber Vincent L. ; Morgan Jeffrey A. ; Symensma Kenneth L. ; Specht Glenn E., Vacuum cleaner agitator control.
상세보기
Smith, Shawn M.; Phegley, Shannon D., Vacuum cleaner equipped with agitator and clutch assembly.
상세보기
Zahuranec, Terry L.; Smith, David Scott, Vacuum cleaner with drive assist.
상세보기
Zahuranec,Terry L.; Smith,David Scott, Vacuum cleaner with drive assist.
상세보기
Huebsch, John A.; Kontio, Christer T.; Reimer, William R., Vacuum cleaner with thermal cutoff.
상세보기
John A. Huebsch ; Christer T. Kontio ; William R. Reimer, Vacuum cleaner with thermal cutoff.
상세보기
Smith, James F., Vacuum cleaning nozzle.
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Smith, James F., Vacuum cleaning nozzle.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Self-propelled upright vacuum cleaner having a remotely disposed transmission and a positive locking mechanism 원문보기