GB189911718A - Improvements in Stair-cases. - Google Patents

Improvements in Stair-cases.

Info

Publication number
GB189911718A
GB189911718A GB189911718DA GB189911718A GB 189911718 A GB189911718 A GB 189911718A GB 189911718D A GB189911718D A GB 189911718DA GB 189911718 A GB189911718 A GB 189911718A
Authority
GB
United Kingdom
Prior art keywords
staircases
midway
tread
series
combined
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
Application number
Inventor
Thomas Fewster Wilkinson
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
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of GB189911718A publication Critical patent/GB189911718A/en
Expired legal-status Critical Current

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Abstract

11,718. Wilkinson, T. F. June 6. Staircases. - In order to provide easier means of ascent and descent within a given limited space, as in passenger steamers, two series of steps are provided, one for each foot, each tread of one series being midway between the nearest treads of the other, and the front of each step being midway between the front band back c of the tread of the next lower step. The way is made sufficiently narrow by handrails or their equivalent to ensure the feet being placed on the proper steps. The fronts are preferably curved, as shown. Two sets of improved staircases may be combined, one for ascending and the other for descending ; or they may be combined with an ordinary staircase.
GB189911718D 1899-06-06 1899-06-06 Improvements in Stair-cases. Expired GB189911718A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB189911718T 1899-06-06

Publications (1)

Publication Number Publication Date
GB189911718A true GB189911718A (en) 1900-04-14

Family

ID=32146508

Family Applications (1)

Application Number Title Priority Date Filing Date
GB189911718D Expired GB189911718A (en) 1899-06-06 1899-06-06 Improvements in Stair-cases.

Country Status (1)

Country Link
GB (1) GB189911718A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535871A (en) * 1981-09-28 1985-08-20 The Laitram Corporation Unitary stairway
US4580777A (en) * 1984-06-22 1986-04-08 Johnson Darrell M Exercise walkway
BE1021831B1 (en) * 2014-02-18 2016-01-21 DECOTRAP besloten vennootschap met beperkte aansprakelijkheid DEVICE FOR CHOOSING A STAIR.
CN112482979A (en) * 2020-11-23 2021-03-12 上海建工二建集团有限公司 Synchronous up-down semi-automatic construction escalator and use method thereof

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4535871A (en) * 1981-09-28 1985-08-20 The Laitram Corporation Unitary stairway
US4580777A (en) * 1984-06-22 1986-04-08 Johnson Darrell M Exercise walkway
BE1021831B1 (en) * 2014-02-18 2016-01-21 DECOTRAP besloten vennootschap met beperkte aansprakelijkheid DEVICE FOR CHOOSING A STAIR.
CN112482979A (en) * 2020-11-23 2021-03-12 上海建工二建集团有限公司 Synchronous up-down semi-automatic construction escalator and use method thereof

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