IT7947907A0 - Meccanismo di bilanciamento per coperchi di passi d'uomo - Google Patents

Meccanismo di bilanciamento per coperchi di passi d'uomo

Info

Publication number: IT7947907A0
Authority: IT; Italy
Prior art keywords: balancing mechanism; manhole covers; manhole; covers; balancing
Prior art date: 1978-02-08

Application number

IT7947907A

Other languages

English (en)

Other versions

IT1113722B (it

Original Assignee

Sybron Corp

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.)

1978-02-08

Filing date

1979-02-06

Publication date

1979-02-06

1979-02-06 Application filed by Sybron Corp filed Critical Sybron Corp

1979-02-06 Publication of IT7947907A0 publication Critical patent/IT7947907A0/it

1986-01-20 Application granted granted Critical

1986-01-20 Publication of IT1113722B publication Critical patent/IT1113722B/it

Classifications

- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
- E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
- E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
- E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
- E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
- E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass

IT47907/79A 1978-02-08 1979-02-06 Meccanismo di bilanciamento per coperchi di passi d'uomo IT1113722B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/876,082 US4137669A (en)	1978-02-08	1978-02-08	Balancing mechanism for manhole covers

Publications (2)

Publication Number	Publication Date
IT7947907A0 true IT7947907A0 (it)	1979-02-06
IT1113722B IT1113722B (it)	1986-01-20

Family

ID=25366967

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT47907/79A IT1113722B (it)	1978-02-08	1979-02-06	Meccanismo di bilanciamento per coperchi di passi d'uomo

Country Status (9)

Country	Link
US (1)	US4137669A (it)
JP (1)	JPS54108456A (it)
CA (1)	CA1105756A (it)
CH (1)	CH637740A5 (it)
DE (1)	DE2904608A1 (it)
FR (1)	FR2416997A1 (it)
GB (1)	GB2014272B (it)
IT (1)	IT1113722B (it)
MX (1)	MX150033A (it)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8830198D0 (en) *	1988-12-23	1989-02-22	Leith Cardle & Co Ltd	Telescopic spring
JPH03111999U (it) *	1990-02-28	1991-11-15
US5038520A (en) *	1990-11-01	1991-08-13	The Pfaudler Companies, Inc.	Manway lift assist
GB2273961B (en) *	1992-12-30	1995-11-29	Gupta Sangram Sen	Engine starting mechanism
US5551197A (en) *	1993-09-30	1996-09-03	Donnelly Corporation	Flush-mounted articulated/hinged window assembly
US5394650A (en) *	1994-01-24	1995-03-07	Midland Manufacturing Corp.	Manway cover balancing mechanism
US7838115B2 (en) *	1995-04-11	2010-11-23	Magna Mirrors Of America, Inc.	Method for manufacturing an articulatable vehicular window assembly
FR2743856B1 (fr) *	1996-01-19	1998-02-27	Alm	Dispositif de positionnement angulaire d'une masse par rapport a un axe horizontal de support et appareil d'eclairage equipe d'un tel dispositif
US6446307B2 (en)	1999-02-22	2002-09-10	Electromechanical Research Laboratories, Inc.	Manway lid lifter
US6378249B1 (en) *	1999-12-10	2002-04-30	3L Filters Ltd.	Lid lifting mechanism
US7127849B1 (en)	2002-09-26	2006-10-31	Gayer Jason E	Manway lift device having an adjustable biasing assembly therefor
US20060026902A1 (en) *	2004-08-04	2006-02-09	Mckernen Timothy J	Lifting mechanism for access hatch
FR2889217B1 (fr) *	2005-07-27	2009-03-06	Norinco Soc Par Actions Simpli	Dispositif d'articulation d'un tampon ou couvercle a un cadre notamment de regard de chaussee
FR2972476B1 (fr) *	2011-03-09	2014-01-24	Norinco	Dispositif d'assistance a l'ouverture d'un element de recouvrement monte pivotant relativement a un bord d'un cadre
CN102878290B (zh) *	2011-07-15	2015-10-28	大震锅炉工业（昆山）有限公司	自平衡水平回转盖法兰人孔
FR2999544B1 (fr) *	2012-12-13	2014-12-05	Etablissements Magyar	Procede de fixation d'un couvercle d'orifice de citerne en materiau composite et citerne correspondante
DE102017106506B3 (de)	2017-03-27	2018-03-01	ALDI SÜD Dienstleistungs-GmbH & Co. oHG	Transport- und/oder Lagerbehälter
US10221603B2 (en) *	2017-04-13	2019-03-05	Weber Knapp Company	Counterbalance and method of making the same

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE7402411U (de) *		1974-04-18	Pfaudler-Werke Ag	Mannlochdeckel-Öffnungshilfe
US1989908A (en) *	1931-10-03	1935-02-05	Hauserman Co E F	Double acting pivot spring hinge
US2357044A (en) *	1941-01-31	1944-08-29	Studebaker Corp	Door operating mechanism
DE1222529B (de) *	1959-03-02	1966-08-11	Scharfenbergkupplung Gmbh	Zug- und Stossvorrichtung fuer Mittelpufferkupplungen von Schienenfahrzeugen
DE1286914B (de) *	1965-04-17	1969-01-09	Kloeckner Humboldt Deutz Ag	Federsatz fuer Fahrzeugachsen
US3665958A (en) *	1968-09-16	1972-05-30	Gpe Controls Inc	Vent closure device
BE756482A (fr) *	1969-09-29	1971-03-22	Xerox Corp	Couvercle de plateau de copieurs
FI46560C (fi) *	1971-01-13	1973-04-10	Teeri	Lautasjousikonstruktio.
US3714680A (en) *	1971-11-17	1973-02-06	Weber Knapp Co	Counter-balance support
US3950819A (en) *	1975-01-16	1976-04-20	Weber-Knapp Company	Lid counter-balance mechanism

1978
- 1978-02-08 US US05/876,082 patent/US4137669A/en not_active Expired - Lifetime
- 1978-11-20 JP JP14401078A patent/JPS54108456A/ja active Granted
1979
- 1979-01-23 CA CA320,084A patent/CA1105756A/en not_active Expired
- 1979-01-30 CH CH89879A patent/CH637740A5/de not_active IP Right Cessation
- 1979-01-31 GB GB7903319A patent/GB2014272B/en not_active Expired - Lifetime
- 1979-02-06 IT IT47907/79A patent/IT1113722B/it active
- 1979-02-07 FR FR7903135A patent/FR2416997A1/fr active Granted
- 1979-02-07 MX MX176529A patent/MX150033A/es unknown
- 1979-02-07 DE DE19792904608 patent/DE2904608A1/de active Granted

Also Published As

Publication number	Publication date
GB2014272B (en)	1982-05-06
US4137669A (en)	1979-02-06
FR2416997B1 (it)	1984-04-06
JPS6233149B2 (it)	1987-07-18
MX150033A (es)	1984-03-05
DE2904608C2 (it)	1989-08-03
JPS54108456A (en)	1979-08-25
CA1105756A (en)	1981-07-28
FR2416997A1 (fr)	1979-09-07
CH637740A5 (de)	1983-08-15
IT1113722B (it)	1986-01-20
DE2904608A1 (de)	1979-08-09
GB2014272A (en)	1979-08-22

Publication	Publication Date	Title
IT1110442B (it)	1985-12-23	Coperture protettive per strutture sommergibili o parzialmente sommergibili
BE876552A (fr)	1979-09-17	Dispositif d'abrasion
BE875773A (nl)	1979-10-23	2'deoxy-5-(halogeenvinyl)-uridines
IT7947907A0 (it)	1979-02-06	Meccanismo di bilanciamento per coperchi di passi d'uomo
BE876123A (fr)	1979-11-08	Installation d'ascenseur
IT1125623B (it)	1986-05-14	Rele' di protezione
DE3141464A1 (de)	1982-04-29	"kopiergeraet"
BE876795A (fr)	1979-10-01	Installation d'ensachage
FR2427285B1 (fr)	1986-04-25	Installation d'ascenseur
BE876388A (fr)	1979-11-19	Installation d'ascenseur
IT1125624B (it)	1986-05-14	Rele' di protezione
IT1102908B (it)	1985-10-14	Dispositivo di fissaggio per coperioni o fogli
BE880914A (fr)	1980-04-16	Mecanisme d'ascension
IT1122309B (it)	1986-04-23	Rele'elettromagnetico
FI812856L (fi)	1982-03-16	Planetackumulator foer "sz" tvinning
AT361802B (de)	1981-04-10	Abdeckung
IT7928010A0 (it)	1979-12-07	Scatola a tenuta di umidita'.
LU81106A1 (de)	1979-06-19	Tundish-abdeckung
IT1122153B (it)	1986-04-23	Rele'elettromagnetico
BE885171A (fr)	1981-03-10	Installation d'acenseur
IT1193467B (it)	1988-07-08	Carbammati di omolisergoli (8 beta-idrossietilergoline)
IT1111854B (it)	1986-01-13	Chiusura per coperchio
IT7834406V0 (it)	1978-03-23	Capotina paratutto per paseggino
IT7830844V0 (it)	1978-10-30	Struttura d'impugnatura regolabile per tamburelli.
NO780231L (no)	1979-05-07	Anordning ved såkalt "moon pool".

Legal Events

Date	Code	Title	Description
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19970228