Source: https://patents.justia.com/patent/8341983
Timestamp: 2020-03-29 13:39:46
Document Index: 532213717

Matched Legal Cases: ['§1', '§1', '§1', '§1', 'Application No. 85521', 'Application No. 2004', 'Application No. 2004', 'Application No. 200710089087', 'Application No. 09178918', 'Application No. 200610142200', 'Application No. 05013603', 'Application No. 2005', 'Application No. 2006', 'Application No. 03013411', 'Application No. 12', 'Application No. 10012467', 'Application No. 12', 'Application No. 12', 'Application No. 12', 'Application No. 10012465', 'Application No. 10012469', 'Application No. 10012470', 'Application No. 10012468', 'Application No. 03013411', 'Application No. 10']

US Patent for Drum-type washing machine Patent (Patent # 8,341,983 issued January 1, 2013) - Justia Patents Search
Justia Patents Shiftable To Vertical Axis CentrifugeUS Patent for Drum-type washing machine Patent (Patent # 8,341,983)
Sep 22, 2011 - LG Electronics
The present application is a 37 C.F.R. §1.53(b) continuation of U.S. patent application Ser. No. 12/985,389 filed on Jan. 6, 2011, which is a 37 C.F.R. §1.53(b) continuation of U.S. patent application Ser. No. 12/639,872 filed on Dec. 16, 2009, now U.S. Pat. No. 7,930,910 B2, which is a 37 C.F.R. §1.53(b) continuation of U.S. patent application Ser. No. 12/267,457 filed Nov. 7, 2008, currently pending, which is a 37 C.F.R. §1.53(b) continuation of U.S. patent application Ser. No. 10/461,451 filed Jun. 16, 2003, now U.S. Pat. No. 7,533,548 B2, which claims priority to Korean Patent Application No. 85521/2002, filed Dec. 27, 2002, the entire contents of which are hereby incorporated by reference herein.
An inlet 112 for inputting or outputting the laundry is formed at the front side of the cabinet 102, and a door 114 for opening and closing the inlet 112 is formed at the front side of the inlet 112. The tub 104 of a cylindrical shape is provided with an opening 116 at the front side thereof thus to be connected to the inlet 112 of the cabinet 102, and a balance weight 118 for maintaining a balance of the tub 104 and reducing vibration are respectively formed at both sides of the tub 104.
Herein, a diameter of the tub 104 is installed to be less than a width of the cabinet 102 by approximately 30-40 mm with consideration of a maximum vibration amount thereof so as to prevent from being contacted to the cabinet 102 at the time of the dehydration.
The drum 106 is a cylindrical shape of which one side is opened so that the laundry can be inputted, and has a diameter installed to be less than that of the tub 104 by approximately 15-20 mm in order to prevent interference with the tub 104 since the drum is rotated in the tub 104.
The cabinet 2 is rectangular parallelepiped, and an inlet 20 for inputting and outputting laundry is formed at the front side of the cabinet 2 and a door 10 for opening and closing the inlet 20 is formed at the inlet 20.
a tub configured to hold washing fluid therein;
a supporting plate positioned at an open axial end of the tub, wherein the supporting plate rotatably supports the shaft;
a suspension system that reduces vibration of the drum; and
a substantially annular gasket connected between the axial end of the tub and the supporting plate such that the gasket and the supporting plate form an axial end wall of the tub, the gasket comprising: a tub connecting portion that is connected to the tub; a supporting plate connecting portion that is positioned radially inward from the tub connecting portion and is connected to the supporting plate; and a flexible portion that extends radially between the tub connecting portion and the supporting plate connecting portion.
2. The drum type washing machine of claim 1, wherein a distance between an outer surface of the tub and a corresponding inner surface of the cabinet is less than a distance between an inner surface of the tub and a corresponding outer surface of the drum.
3. The drum type washing machine of claim 1, wherein the supporting plate is positioned between the motor and the drum, and the motor, the supporting plate and the drum are concentrically arranged, and wherein an outer diameter of the supporting plate is greater than an outer diameter of the motor such that the supporting plate extends radially beyond the motor.
4. The drum type washing machine of claim 1, wherein the suspension system comprises:
a plurality of supporting rods coupled to the supporting plate and extending outward therefrom; and
a corresponding plurality of dampers respectively connected between the plurality of supporting rods and the cabinet.
5. The drum type washing machine of claim 1, wherein the suspension system comprises a plurality of supporting rods which extend from the supporting plate in a rotation axis direction of the drum.
6. The drum type washing machine of claim 1, wherein the suspension system comprises a plurality of supporting rods which extend from the supporting plate to a corresponding point aligned with a center of gravity of an assembly comprised of the drum, the supporting plate and the motor.
7. The drum type washing machine of claim 1, wherein the suspension system comprises a plurality of supporting rods which are coupled to a lower portion of the supporting plate, below an axis of rotation of the drum.
8. The drum type washing machine of claim 7, wherein the plurality of supporting rods are distributed on two opposite sides of the axis of rotation of the drum, and below the axis of rotation of the drum.
9. The drum type washing machine of claim 1, wherein the tub is fixed directly to the cabinet or formed integrally with the cabinet, and the suspension device supports the drum within the tub, separately from the tub.
10. The drum type washing machine of claim 1, wherein the motor is coaxially arranged on the shaft and the supporting plate extends radially beyond the motor.
a tub received in the case, wherein a distance between a top or a bottom of the tub and a corresponding top or bottom of the case is greater than a distance between a side surface of the tub and a corresponding side wall of the case;
a suspension system to reduce vibration of the drum; and
a substantially annular gasket connected between an axial end of the tub and the supporting plate such that the gasket and the supporting plate form an axial end wall of the tub, the gasket comprising: a tub connecting portion that is connected to the tub; a supporting plate connecting portion that is positioned radially inward from the tub connecting portion and is connected to the supporting plate; and a flexible portion that extends radially between the tub connecting portion and the supporting plate connecting portion.
12. A drum type washing machine, comprising:
a tub received in the case;
a drum rotatably arranged in the tub, wherein a distance between an outer surface of the tub and a corresponding inner side wall of the case is less than a distance between an inner surface of the tub and a corresponding outer surface of the drum;
a suspension system to reduce vibration of the drum; and a substantially annular gasket connected between the open axial end of the tub and the supporting plate such that the gasket and the supporting plate form an axial end wall of the tub, the gasket comprising:
a tub connecting portion that is connected to the tub;
a supporting plate connecting portion that is positioned radially inward from the tub connecting portion and is connected to the supporting plate; and
a flexible portion that extends radially between the tub connecting portion and the supporting plate connecting portion.
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Patent Publication Number: 20120011895
Application Number: 13/239,416
Current U.S. Class: Shiftable To Vertical Axis Centrifuge (68/25); Tumbling And Liquid Flowing (68/58); Cage Type Tumbler Supports, Bearings Or Drive (68/140)