GB2257679B - Spiral escalators - Google Patents

Spiral escalators

Info

Publication number
GB2257679B
GB2257679B GB9212929A GB9212929A GB2257679B GB 2257679 B GB2257679 B GB 2257679B GB 9212929 A GB9212929 A GB 9212929A GB 9212929 A GB9212929 A GB 9212929A GB 2257679 B GB2257679 B GB 2257679B
Authority
GB
United Kingdom
Prior art keywords
escalators
spiral
spiral escalators
Prior art date
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
GB9212929A
Other versions
GB2257679A (en
GB9212929D0 (en
Inventor
William Charles Pearson Keen
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.)
Filing date
Publication date
Priority claimed from GB919113722A external-priority patent/GB9113722D0/en
Priority claimed from GB919118556A external-priority patent/GB9118556D0/en
Application filed by Individual filed Critical Individual
Publication of GB9212929D0 publication Critical patent/GB9212929D0/en
Publication of GB2257679A publication Critical patent/GB2257679A/en
Application granted granted Critical
Publication of GB2257679B publication Critical patent/GB2257679B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B66HOISTING; LIFTING; HAULING
    • B66BELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B21/00Kinds or types of escalators or moving walkways
    • B66B21/02Escalators
    • B66B21/06Escalators spiral type
GB9212929A 1991-06-25 1992-06-18 Spiral escalators Expired - Fee Related GB2257679B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919113722A GB9113722D0 (en) 1991-06-25 1991-06-25 A spiral escalator
GB919118556A GB9118556D0 (en) 1991-08-29 1991-08-29 A spiral escalator

Publications (3)

Publication Number Publication Date
GB9212929D0 GB9212929D0 (en) 1992-07-29
GB2257679A GB2257679A (en) 1993-01-20
GB2257679B true GB2257679B (en) 1994-04-06

Family

ID=26299128

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9212929A Expired - Fee Related GB2257679B (en) 1991-06-25 1992-06-18 Spiral escalators

Country Status (1)

Country Link
GB (1) GB2257679B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT511023B1 (en) * 2011-01-20 2013-04-15 Innova Patent Gmbh HANDRAIL FOR RIDING

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB354169A (en) * 1930-02-21 1931-07-21 Louis Granges Improvements in and relating to endless conveyors
GB724549A (en) * 1953-02-09 1955-02-23 Eskimo Pie Corp Apparatus for making frozen confections
GB1377498A (en) * 1971-12-01 1974-12-18 Ballenger C H Endless helical conveyor and belt
US3878931A (en) * 1971-10-18 1975-04-22 Gilbert D Luna Arcuate escalator system
US4434884A (en) * 1981-08-19 1984-03-06 Otis Elevator Company Spiral escalator
EP0103489A2 (en) * 1982-09-14 1984-03-21 Mitsubishi Denki Kabushiki Kaisha Curved escalator
US4681206A (en) * 1983-03-11 1987-07-21 Mitsubishi Denki Kabushiki Kaisha Curvilinear escalator
GB2205545A (en) * 1987-05-09 1988-12-14 Lineal Thermotech Ltd Improvements in endless helical conveyors
WO1989010890A1 (en) * 1988-05-10 1989-11-16 Khp Beteiligungsgesellschaft Mbh & Co. Kommanditge Spiral escalator
WO1991006501A1 (en) * 1989-10-24 1991-05-16 Melvin Simon & Associates, Inc. Circular escalator
US5050721A (en) * 1990-09-11 1991-09-24 Otis Elevator Company Step riser profile for curved escalator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB354169A (en) * 1930-02-21 1931-07-21 Louis Granges Improvements in and relating to endless conveyors
GB724549A (en) * 1953-02-09 1955-02-23 Eskimo Pie Corp Apparatus for making frozen confections
US3878931A (en) * 1971-10-18 1975-04-22 Gilbert D Luna Arcuate escalator system
GB1377498A (en) * 1971-12-01 1974-12-18 Ballenger C H Endless helical conveyor and belt
US4434884A (en) * 1981-08-19 1984-03-06 Otis Elevator Company Spiral escalator
EP0103489A2 (en) * 1982-09-14 1984-03-21 Mitsubishi Denki Kabushiki Kaisha Curved escalator
US4681206A (en) * 1983-03-11 1987-07-21 Mitsubishi Denki Kabushiki Kaisha Curvilinear escalator
GB2205545A (en) * 1987-05-09 1988-12-14 Lineal Thermotech Ltd Improvements in endless helical conveyors
WO1989010890A1 (en) * 1988-05-10 1989-11-16 Khp Beteiligungsgesellschaft Mbh & Co. Kommanditge Spiral escalator
WO1991006501A1 (en) * 1989-10-24 1991-05-16 Melvin Simon & Associates, Inc. Circular escalator
US5050721A (en) * 1990-09-11 1991-09-24 Otis Elevator Company Step riser profile for curved escalator

Also Published As

Publication number Publication date
GB2257679A (en) 1993-01-20
GB9212929D0 (en) 1992-07-29

Similar Documents

Publication Publication Date Title
US5288048B1 (en) Ergonomic handrail
KR960008720B1 (en) Elevator
BG95816A (en) New sulphonylcarbamides
EP0450858A3 (en) Stairlift
GB2251638B (en) Balustrades
GB9218906D0 (en) Bioimmunoassay
KR0129424B1 (en) Stairways
GB9123883D0 (en) Hydrocyclone
GB9118937D0 (en) Ramp
GB2257679B (en) Spiral escalators
HUT61622A (en) Intermediate card-container
GB9123274D0 (en) Prefabricated doorsets
GB9118556D0 (en) A spiral escalator
GB9113722D0 (en) A spiral escalator
GB9113785D0 (en) Balustrades
GB9100724D0 (en) Balustrades
GB9415639D0 (en) Staircase
GB9207681D0 (en) Spiral de-gasifier
GB2270340B (en) Ladder
GB9307163D0 (en) Stairlift
HU9500206V0 (en) Special elevator
IL99178A0 (en) Structure
GB9012003D0 (en) Spiral staircases
PL300448A1 (en) Spiral stairs
GB2255126B (en) Ladder

Legal Events

Date Code Title Description
746 Register noted 'licences of right' (sect. 46/1977)

Effective date: 19960424

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20000618