US1563655A - Mechanism for opening and closing casement windows - Google Patents

Mechanism for opening and closing casement windows Download PDF

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Publication number
US1563655A
US1563655A US23561A US2356125A US1563655A US 1563655 A US1563655 A US 1563655A US 23561 A US23561 A US 23561A US 2356125 A US2356125 A US 2356125A US 1563655 A US1563655 A US 1563655A
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United States
Prior art keywords
screw
window
opening
peg
blade
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Expired - Lifetime
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US23561A
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Prior Rufus William
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CRITTALL Manufacturing CO Ltd
CRITTALL MANUFACTURING COMPANY Ltd
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CRITTALL Manufacturing CO Ltd
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Publication date
Application filed by CRITTALL Manufacturing CO Ltd filed Critical CRITTALL Manufacturing CO Ltd
Priority to US23561A priority Critical patent/US1563655A/en
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Publication of US1563655A publication Critical patent/US1563655A/en
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Expired - Lifetime legal-status Critical Current

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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F11/00—Man-operated mechanisms for operating wings, including those which also operate the fastening
    • E05F11/02—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights
    • E05F11/34—Man-operated mechanisms for operating wings, including those which also operate the fastening for wings in general, e.g. fanlights with screw mechanisms

Definitions

  • a mechanism frequently employed for opening and closing casement windows in which the moving frame is operated by means of a nut on a screw journalled in the fixed frame, especiallywindows in inaccessible positions, such as transoms, consists of a right and left hand screw which is journalled in the fixed frame of the window and has upon it a pulley or the like over which a cord or the like passes, so that the screw can be rotated; on each portion of the screw works a nut to which is pivoted one end of a link, the other end of which is pivoted to the opening frame.
  • the opening frame has mounted upon it a spring blade and upon the fixed frame is mounted a peg in such a position that as the window is closed the nose of the blade rides up over the peg and then springs back so that the peg passes through a hole in the blade, and the window is held tightly shut, and in order that the blade may be lifted out of engagement with the peg when it is desired to open the window, a lug or tooth is secured to the screw in such a position that the initial movement of the screw to open the window causes the lug or tooth to lift the blade out of engagement with the peg.
  • a is a right and left handed screw which is journalled in bearings b on the fixed frame 0 of the window and on the screw are pulleys of (5 over which ropes e 6 pass so that the screw can be rotated.
  • On each portion of the screw a works a nut f to which is pivoted one end of a link 9, the other end of which is pivoted to the opening frame it of the window.
  • a spring blade 7' is a spring blade 7' and upon the first frame 0 is a peg k, fixed in such a position that if the window is closed the nose of the blade j rides over the peg 7c and thence springs back so that the peg passes through a hole Z in the blade, and the window is tightly shut.
  • On the screw a is secured a lug m in such a position that the initial movement of the screw or. to open the window causes the lug m to lift the blade j out of engagement with 'the peg 70 thereby allowing the windon. to be opened.
  • a casement window having a fixed frame, an opening frame, a screw journalled in the fixed frame, a nut on the screw, a connection between the nut and the opening frame, a spring blade on the opening frame, a peg on the fixed frame, and a lug on the screw adapted to engage with the spring blade.
  • a casement window having a fixed frame, an opening frame, a right and left handed screw journalled in the fixed frame, nuts on the screw, links pivoted to the nuts and the opening frame, a spring blade on the opening frame, a peg on the fixed frame, and a lug on the screw adapted to engage with the spring blade.

Description

Dec. 1, 1925.
R. W. PRIOR MECHANISM FOR OPENING AND CLOSING CASEMENT WINDOWS Filed .April 16 1925 INVENTOR:
RUFUS WILLIAM PRIOR, y fl mn s,
Patented Dec. 1, 1925.
UNITED STATES PATENT OFFICE.
RUFUS WILLIAM PRIOR, OF IBRAINTREE, ENGLAND, ASSIGNOR TO THE CRITTALL MANUFACTURING COMPANY, LIMITED, OF BRAINTREE, ENGLAND.
MECHANISM FOR OPENING AND CLOSING CASEMENT WINDOWS.
Application filed April 16, 1925.
To all whom it may concern:
Be it known that I, RUrUs WILLIAM PRIOR, a subject of the King of Great Britain, residing at Manor Works, Braintree, Essex, England, have invented new and useful Improvements in Mechanism for Opening and Closing Casement Windows, of which the following is a specification.
A mechanism frequently employed for opening and closing casement windows in which the moving frame is operated by means of a nut on a screw journalled in the fixed frame, especiallywindows in inaccessible positions, such as transoms, consists of a right and left hand screw which is journalled in the fixed frame of the window and has upon it a pulley or the like over which a cord or the like passes, so that the screw can be rotated; on each portion of the screw works a nut to which is pivoted one end of a link, the other end of which is pivoted to the opening frame. Thus as the screw is turned in one direction, the nuts approach one another, and the window is closed, but when the screw is turned in the opposite direction, the nuts are moved apart and the window is opened. l/Vith this mechanism as hitherto constructed it is diflicult to keep the window tightly shut.
According to the present invention the opening frame has mounted upon it a spring blade and upon the fixed frame is mounted a peg in such a position that as the window is closed the nose of the blade rides up over the peg and then springs back so that the peg passes through a hole in the blade, and the window is held tightly shut, and in order that the blade may be lifted out of engagement with the peg when it is desired to open the window, a lug or tooth is secured to the screw in such a position that the initial movement of the screw to open the window causes the lug or tooth to lift the blade out of engagement with the peg.
The accompanying drawing which is a perspective view illustrates a window operating mechanism made in accordance with this invention.
Serial No. 23,561.
a is a right and left handed screw which is journalled in bearings b on the fixed frame 0 of the window and on the screw are pulleys of (5 over which ropes e 6 pass so that the screw can be rotated. On each portion of the screw a works a nut f to which is pivoted one end of a link 9, the other end of which is pivoted to the opening frame it of the window. Thus as the screw is turned in one direction the nuts f f approach each other and the window is closed, but when the screw 0 is turned in the opposite direction the nuts 7 f are moved apart and the window is opened. On the opening frame 72. is a spring blade 7' and upon the first frame 0 is a peg k, fixed in such a position that if the window is closed the nose of the blade j rides over the peg 7c and thence springs back so that the peg passes through a hole Z in the blade, and the window is tightly shut. On the screw a is secured a lug m in such a position that the initial movement of the screw or. to open the window causes the lug m to lift the blade j out of engagement with 'the peg 70 thereby allowing the windon. to be opened.
What I claim is 1. A casement window having a fixed frame, an opening frame, a screw journalled in the fixed frame, a nut on the screw, a connection between the nut and the opening frame, a spring blade on the opening frame, a peg on the fixed frame, and a lug on the screw adapted to engage with the spring blade.
2. A casement window having a fixed frame, an opening frame, a right and left handed screw journalled in the fixed frame, nuts on the screw, links pivoted to the nuts and the opening frame, a spring blade on the opening frame, a peg on the fixed frame, and a lug on the screw adapted to engage with the spring blade.
In testimony that I claim the foregoing as my invention I have signed my name this 27th day of March, 1925.
RUFUS WILLIAM PRIOR.
US23561A 1925-04-16 1925-04-16 Mechanism for opening and closing casement windows Expired - Lifetime US1563655A (en)

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US23561A US1563655A (en) 1925-04-16 1925-04-16 Mechanism for opening and closing casement windows

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US23561A US1563655A (en) 1925-04-16 1925-04-16 Mechanism for opening and closing casement windows

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US1563655A true US1563655A (en) 1925-12-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050488A (en) * 1990-12-21 1991-09-24 American Standard Inc. Method of locking a pivotable assembly for shipping

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050488A (en) * 1990-12-21 1991-09-24 American Standard Inc. Method of locking a pivotable assembly for shipping

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