GB190107784A - Improvements in and relating to Window Sashes, Casements Fanlights and the like. - Google Patents

Improvements in and relating to Window Sashes, Casements Fanlights and the like.

Info

Publication number
GB190107784A
GB190107784A GB190107784DA GB190107784A GB 190107784 A GB190107784 A GB 190107784A GB 190107784D A GB190107784D A GB 190107784DA GB 190107784 A GB190107784 A GB 190107784A
Authority
GB
United Kingdom
Prior art keywords
sash
worm
casements
fanlights
gears
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
John Brache Le Maitre
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 GB190107784A publication Critical patent/GB190107784A/en
Expired legal-status Critical Current

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  • Power-Operated Mechanisms For Wings (AREA)
  • Transmission Devices (AREA)

Abstract

7784. Le Maitre, J. B. April 16. Windows; window holders; window opening and closing apparatus; casements.-Fig. 3 shows worm gearing for raising, lowering, and holding a sliding sash A in any required position without the use of balance weights and cords. A worm d<3>, operated by a handle or endless cord, gears with a wormwheel d<2> on a spindle d<1> carrying a worm-screw D, which gears with a rack B inserted in a recess in one of the sash stiles. The other side of the sash is supported by a round-nosed sliding bolt J, which is forced into engagement with a rack J<1> by a spring j<3> , and can be locked by a handle or key. Friction rollers a<2>, carried by the sash, bear against metal guide-plates fixed to the frame. Spur-wheels may be interposed between the cord pulley and the worm spindle d<3> to increase the speed. For fanlights and casements, the racks or stays project outwards, and are operated in a similar manner.
GB190107784D 1901-04-16 1901-04-16 Improvements in and relating to Window Sashes, Casements Fanlights and the like. Expired GB190107784A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB190107784T 1901-04-16

Publications (1)

Publication Number Publication Date
GB190107784A true GB190107784A (en) 1902-03-06

Family

ID=32363669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB190107784D Expired GB190107784A (en) 1901-04-16 1901-04-16 Improvements in and relating to Window Sashes, Casements Fanlights and the like.

Country Status (1)

Country Link
GB (1) GB190107784A (en)

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