GB2345521B - Infinitely variable speed gearbox - Google Patents

Infinitely variable speed gearbox

Info

Publication number: GB2345521B
Authority: GB; United Kingdom
Prior art keywords: variable speed; infinitely variable; speed gearbox; gearbox; infinitely
Prior art date: 1999-01-06
Legal status (The legal status 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 status listed.): Expired - Fee Related

Application number

GB9900141A

Other versions

GB2345521A (en

GB9900141D0 (en

Inventor

Gordon Trevor Flight

Linda Elaine Toombs

Michael Andrew Flight

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Individual

Original Assignee

Individual

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.)

1999-01-06

Filing date

1999-01-06

Publication date

2000-11-15

1999-01-06 Application filed by Individual filed Critical Individual

1999-01-06 Priority to GB9900141A priority Critical patent/GB2345521B/en

1999-02-24 Publication of GB9900141D0 publication Critical patent/GB9900141D0/en

2000-07-12 Publication of GB2345521A publication Critical patent/GB2345521A/en

2000-11-15 Application granted granted Critical

2000-11-15 Publication of GB2345521B publication Critical patent/GB2345521B/en

2019-01-06 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H29/00—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action
- F16H29/20—Gearings for conveying rotary motion with intermittently-driving members, e.g. with freewheel action the intermittently-acting members being shaped as worms, screws, or racks

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Transmission Devices (AREA)

GB9900141A 1999-01-06 1999-01-06 Infinitely variable speed gearbox Expired - Fee Related GB2345521B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB9900141A GB2345521B (en)	1999-01-06	1999-01-06	Infinitely variable speed gearbox

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB9900141A GB2345521B (en)	1999-01-06	1999-01-06	Infinitely variable speed gearbox

Publications (3)

Publication Number	Publication Date
GB9900141D0 GB9900141D0 (en)	1999-02-24
GB2345521A GB2345521A (en)	2000-07-12
GB2345521B true GB2345521B (en)	2000-11-15

Family

ID=10845575

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9900141A Expired - Fee Related GB2345521B (en)	1999-01-06	1999-01-06	Infinitely variable speed gearbox

Country Status (1)

Country	Link
GB (1)	GB2345521B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB296668A (en) *	1927-09-03	1928-09-27	Louis Joseph Turner	Variable speed power transmitting mechanism
GB2234790A (en) *	1989-05-20	1991-02-13	Philip Ince Nevitt	A stepless, variable ratio transmission using a variable throw crank
GB2259741A (en) *	1991-07-09	1993-03-24	James Lawrence Canner	Variable ratio drive system comprising spur gears mounted on freewheel clutches driven by eccentric levers
US5685794A (en) *	1993-08-30	1997-11-11	Aimbridge Pty. Ltd.	Transmission mechanism

1999
- 1999-01-06 GB GB9900141A patent/GB2345521B/en not_active Expired - Fee Related

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB296668A (en) *	1927-09-03	1928-09-27	Louis Joseph Turner	Variable speed power transmitting mechanism
GB2234790A (en) *	1989-05-20	1991-02-13	Philip Ince Nevitt	A stepless, variable ratio transmission using a variable throw crank
GB2259741A (en) *	1991-07-09	1993-03-24	James Lawrence Canner	Variable ratio drive system comprising spur gears mounted on freewheel clutches driven by eccentric levers
US5685794A (en) *	1993-08-30	1997-11-11	Aimbridge Pty. Ltd.	Transmission mechanism

Also Published As

Publication number	Publication date
GB2345521A (en)	2000-07-12
GB9900141D0 (en)	1999-02-24

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Legal Events

Date	Code	Title	Description
2003-08-27	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20030106