US379A - Window-sash spuing for upper sashes - Google Patents

Window-sash spuing for upper sashes Download PDF

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Publication number
US379A
US379A US379DA US379A US 379 A US379 A US 379A US 379D A US379D A US 379DA US 379 A US379 A US 379A
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United States
Prior art keywords
sash
window
spring
spuing
thumb
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Expired - Lifetime
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/0894—Spring arm
    • Y10T292/0895—Operating means
    • Y10T292/0902—Rigid

Definitions

  • HERVEY HAMMOND OF LEWISBERRY, PENNSYLVANIA.
  • My improvement consists in the use of a spring for the upper sash only, so constructed and applied as not to interfere with the movement of the lower sash.
  • This spring is nearly straight, but has suiiicient curve to stand forward, at the top to pass into the notch of the sash.
  • the projection on which the thumb-piece is placed stands out from the head on top of the spring sidewise and not inward toward the glass; as shown in Fig. 2, in the accompanying drawing, it continues straight to the parting bead of the frame, E, Figs. 1 and 3, when it bends back suiliciently to let the thumb-piece F, lay in a recess in the front groove I, flush with the groove, while the head of the spring is in a notch of the sash.
  • a small staple through which the projection passes, ⁇ to prevent the thumb-piece from coming forward more than suiiicient to let the thumb-piece be flush with the groove, in case the parting bead should not be tight enough to'retain the projection of the spring.
  • the form of the spring, at the top, on which the sash immediately rests, being straight or on a line with the body of the spring, is the best for strength, and is not so liable to get out of Order by the falling of the sash, as one having a forward or backward projection for the sash to rest upon.
  • An- ⁇ other advantage in the form of the spring is that, the sash may be raised without putting the hand or thumb to the thumb-piece.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal Substances (AREA)

Description

ii TTED sTATEs PATENT oFFToE. `I
HERVEY HAMMOND, OF LEWISBERRY, PENNSYLVANIA.
WINDOW-SASH SPRING FOR UPPER SASI-IES.
Specication of Letters Patent No. 379', dated September 8, 1837.
To all 'whom it may concern.'
Be it known that I, HERvEY HAMMOND, of Lewisberry, York county, and Stateof Pennsylvania, have invented a new and useful Improvement in Common Window-Sash Springs; and I do hereby declare that the following is a full and exact description.
I use two springs, one for the upper, and the other for the lower sash.
My improvement consists in the use of a spring for the upper sash only, so constructed and applied as not to interfere with the movement of the lower sash. This spring is nearly straight, but has suiiicient curve to stand forward, at the top to pass into the notch of the sash. The projection on which the thumb-piece is placed, stands out from the head on top of the spring sidewise and not inward toward the glass; as shown in Fig. 2, in the accompanying drawing, it continues straight to the parting bead of the frame, E, Figs. 1 and 3, when it bends back suiliciently to let the thumb-piece F, lay in a recess in the front groove I, flush with the groove, while the head of the spring is in a notch of the sash. Immediately behind the parting bead and next to the groove 1s a small staple, through which the projection passes,` to prevent the thumb-piece from coming forward more than suiiicient to let the thumb-piece be flush with the groove, in case the parting bead should not be tight enough to'retain the projection of the spring. The form of the spring, at the top, on which the sash immediately rests, being straight or on a line with the body of the spring, is the best for strength, and is not so liable to get out of Order by the falling of the sash, as one having a forward or backward projection for the sash to rest upon. An-` other advantage in the form of the spring is that, the sash may be raised without putting the hand or thumb to the thumb-piece.
I claim# The particular form and manner of apalready described.
HERVEY HAMMOND.
Witnesses:
JACOB SMITH, GEORGE BAILnTs` v plyingV the spring for the upper sash, as.
US379D Window-sash spuing for upper sashes Expired - Lifetime US379A (en)

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