IT1238449B - Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali. - Google Patents

Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali.

Info

Publication number: IT1238449B
Authority: IT; Italy
Prior art keywords: self; pair; type including; twin wheel; coaxial wheels
Prior art date: 1990-02-02

Application number

IT00333090A

Other languages

English (en)

Other versions

IT9003330A1 (it

IT9003330A0 (it

Inventor

Francescantonio Melara

Original Assignee

Emilsider Meccanica

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1990-02-02

Filing date

1990-02-02

Publication date

1993-07-26

1990-02-02 Application filed by Emilsider Meccanica filed Critical Emilsider Meccanica

1990-02-02 Priority to IT00333090A priority Critical patent/IT1238449B/it

1990-02-02 Publication of IT9003330A0 publication Critical patent/IT9003330A0/it

1991-01-28 Priority to US07/646,320 priority patent/US5119525A/en

1991-01-30 Priority to DE91101189T priority patent/DE69100817T2/de

1991-01-30 Priority to EP91101189A priority patent/EP0440182B1/en

1991-08-03 Publication of IT9003330A1 publication Critical patent/IT9003330A1/it

1993-07-26 Application granted granted Critical

1993-07-26 Publication of IT1238449B publication Critical patent/IT1238449B/it

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0036—Castors in general; Anti-clogging castors characterised by type of wheels
- B60B33/0042—Double or twin wheels
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B33/00—Castors in general; Anti-clogging castors
- B60B33/0028—Construction of wheels; methods of assembling on axle

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chair Legs, Seat Parts, And Backrests (AREA)

IT00333090A 1990-02-02 1990-02-02 Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali. IT1238449B (it)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
IT00333090A IT1238449B (it)	1990-02-02	1990-02-02	Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali.
US07/646,320 US5119525A (en)	1990-02-02	1991-01-28	Castor structure
DE91101189T DE69100817T2 (de)	1990-02-02	1991-01-30	Lenkrollenaufbau.
EP91101189A EP0440182B1 (en)	1990-02-02	1991-01-30	Castor structure

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT00333090A IT1238449B (it)	1990-02-02	1990-02-02	Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali.

Publications (3)

Publication Number	Publication Date
IT9003330A0 IT9003330A0 (it)	1990-02-02
IT9003330A1 IT9003330A1 (it)	1991-08-03
IT1238449B true IT1238449B (it)	1993-07-26

Family

ID=11105112

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT00333090A IT1238449B (it)	1990-02-02	1990-02-02	Ruota gemellata auto-orientabile del tipo comprendente una coppia di rotelle coassiali.

Country Status (4)

Country	Link
US (1)	US5119525A (it)
EP (1)	EP0440182B1 (it)
DE (1)	DE69100817T2 (it)
IT (1)	IT1238449B (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5371922A (en) *	1993-08-17	1994-12-13	Chern; Yeong-Shing	Safety device for baby walker
US5841768A (en) *	1996-06-27	1998-11-24	Interdigital Technology Corporation	Method of controlling initial power ramp-up in CDMA systems by using short codes
US5745951A (en) *	1996-02-23	1998-05-05	Interstore Transfer Systems, Ltd.	Directional control caster assembly
US6419246B1 (en) *	1999-06-28	2002-07-16	Thomas G. Neal	Bucket dolly
IT1311377B1 (it) *	1999-12-24	2002-03-12	Emilsider Meccanica	Ruota gemellata auto - orientabile del tipo comprendente una coppia dirotelle coassiali.
AUPR054400A0 (en) *	2000-09-29	2000-10-26	Formway Furniture Limited	A castor
US7150070B2 (en) *	2001-06-04	2006-12-19	Donakowski William J	Hubless caster
US6839939B2 (en) *	2001-06-04	2005-01-11	William J Donakowski	Hubless caster
US6725501B2 (en)	2002-07-31	2004-04-27	Fki Industries, Inc.	Caster with universal mount and swivel and wheel lock
US6748623B1 (en) *	2002-11-27	2004-06-15	Po-Chuan Tsai	Chair caster
US20050115021A1 (en) *	2003-12-01	2005-06-02	Po-Chuan Tsai	Office chair caster
FR2895702B1 (fr) *	2005-12-29	2008-02-29	Bruandet Sa Sa	Roulette pour meuble ou analogue
US7725986B2 (en) *	2007-01-10	2010-06-01	Po-Chuan Tsai	Castor that is operated smoothly and conveniently
US9027204B2 (en)	2007-05-07	2015-05-12	Jacob Holtz Company	Casters having weight transferring tab
CA2686342C (en)	2007-05-07	2016-10-18	Jacob Holtz Company	Caster with weight transferring tab
US20090260181A1 (en) *	2008-04-18	2009-10-22	Dennis Jones	Caster
US8561258B2 (en) *	2009-06-09	2013-10-22	Oconomowoc Mfg. Corp.	Hubless caster technology
US9168689B2 (en)	2012-06-08	2015-10-27	Ngs Capital Management, Llc	Durable, quiet hubless caster technology
US20160221392A1 (en) *	2015-02-02	2016-08-04	Darcor Limited	Caster yoke for manufacture of a set of wheeled caster assemblies
DE102015206766A1 (de) *	2015-04-15	2016-10-20	Sedus Stoll Ag	Permanent gebremste Rollenvorrichtung für ein Sitz-, Liege- und/oder Transportmöbel, und ein Sitz-, Liege- und/oder Transportmöbel
US9669658B1 (en) *	2016-01-12	2017-06-06	Joy Tong	Hollow twin-wheel caster structure of luggage
GB2570731A (en) *	2018-02-06	2019-08-07	It Luggage Ltd	Luggage wheel assembly
US11498360B2 (en)	2019-05-21	2022-11-15	Ngs Capital Management, Llc	Hybrid bearing arrangement caster technology

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DK134006A (it) *	1968-04-26
GB1496672A (en) *	1974-07-23	1977-12-30	Kenrick & Sons Ltd	Castors
DK137318B (da) *	1975-02-19	1978-02-20	Kevi As	Møbelrulle med tvillinghjul og et med hjulskærm udformet hus.
IT1042754B (it) *	1975-09-22	1980-01-30	Emilsider Meccanica	Ruota autorisphtabile con rotelle gemelle
IT1070548B (it) *	1976-12-29	1985-03-29	Emilsider Meccanica	Ruota autoorientabile a rotelle gemelle e con carenatura metallica
IT1106682B (it) *	1978-06-26	1985-11-18	Emilsider Meccanica	Ruota autoorientabile con rotelle gemelle
US4399586A (en) *	1979-02-28	1983-08-23	Herder, N.V.	Dual wheel caster
US4283810A (en) *	1979-02-28	1981-08-18	Herder N.V.	Dual wheel caster body structure

1990
- 1990-02-02 IT IT00333090A patent/IT1238449B/it active IP Right Grant
1991
- 1991-01-28 US US07/646,320 patent/US5119525A/en not_active Expired - Lifetime
- 1991-01-30 DE DE91101189T patent/DE69100817T2/de not_active Expired - Fee Related
- 1991-01-30 EP EP91101189A patent/EP0440182B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US5119525A (en)	1992-06-09
EP0440182B1 (en)	1993-12-22
DE69100817T2 (de)	1994-04-14
IT9003330A1 (it)	1991-08-03
EP0440182A1 (en)	1991-08-07
IT9003330A0 (it)	1990-02-02
DE69100817D1 (de)	1994-02-03

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Legal Events

Date	Code	Title	Description
1993-07-26	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970225