GB190607131A - A New or Improved Ventilator. - Google Patents

A New or Improved Ventilator.

Info

Publication number
GB190607131A
GB190607131A GB190607131DA GB190607131A GB 190607131 A GB190607131 A GB 190607131A GB 190607131D A GB190607131D A GB 190607131DA GB 190607131 A GB190607131 A GB 190607131A
Authority
GB
United Kingdom
Prior art keywords
new
casing
operated
rod
ventilator
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
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.)
Helliwell & Co Ltd
Original Assignee
Helliwell & Co Ltd
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 Helliwell & Co Ltd filed Critical Helliwell & Co Ltd
Application granted granted Critical
Publication of GB190607131A publication Critical patent/GB190607131A/en
Expired legal-status Critical Current

Links

Landscapes

  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

7131. Helliwell & Co., and Baynes, F. W. March 24. Ventilators; louvered &c. apparatus. - A ventilator for railway stations, theatres, factories, &c. consists of a series of S shaped louvers a, b, c, d, e fitted to a casing f, each louver consisting of a sheet of metal riveted to stampings or castings h. Alternate louvers a, c, e are fixed to the casing f, the intermediate ones b, d being secured to pivots g about which they turn, being operated by a rod j attached to links i connected to the stiffeners h. The rod j may be operated in any well-known manner.
GB190607131D 1906-03-24 1906-03-24 A New or Improved Ventilator. Expired GB190607131A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190607131T 1906-03-24

Publications (1)

Publication Number Publication Date
GB190607131A true GB190607131A (en) 1906-07-05

Family

ID=32204396

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190607131D Expired GB190607131A (en) 1906-03-24 1906-03-24 A New or Improved Ventilator.

Country Status (1)

Country Link
GB (1) GB190607131A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887034A (en) * 1956-05-05 1959-05-19 Ernst E Gorth Ventilating shutter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2887034A (en) * 1956-05-05 1959-05-19 Ernst E Gorth Ventilating shutter

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