US275853A - Box-fastener - Google Patents

Box-fastener Download PDF

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Publication number
US275853A
US275853A US275853DA US275853A US 275853 A US275853 A US 275853A US 275853D A US275853D A US 275853DA US 275853 A US275853 A US 275853A
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United States
Prior art keywords
box
spring
plate
case
fastener
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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

  • My invention relates to that class of catches which are self-locking, the object being to construct a catch that shall be strong and yet resilient, the movement of the spring being limited in both directions, so that no injurious overstrain can be brought to bear upon it.
  • FIG. 1 shows a violin-case in perspective with my improved catches applied.
  • Fig. 2 is a section through a part of the case and catch, the case being closed.
  • Fig. 3 is a section of the same, the case being partly open.
  • Figs. 4 and 5 show details.
  • a and B represent the lid and body of the case or box.
  • a piece, M having a notch at its upper end, as shown. This part has no movement, its function being a passive one.
  • a plate-spring, D To the lid of the box Iattach a plate-spring, D, curved, as shown in Figs. 2, 3, and 5, and provided with an opening at H, the function of said opening H being to lock into the notch in the piece M, the connection being shown in Fig. 2, which il1ustrates the device in its locked position.
  • the motion of the springplate D is limited in both directions-that is, if it is pulled outwardly the plate C will arrest its motion. If it is pushed inwardly, then the portion D will come in contact with the lower face ot' the case B, and thus be limited in that direction.

Description

(No Model.)
W. W. RANDALL.
Y BOX PASTENER. f No. 275,853. l Patented Apr. 17,1883.
WiWi-:5555 Ilm/ENTER UNITE@ STATES PATENT OFFICE.
WILLIAM W. RANDALL, OF MARSHFIELD, ASSIGNOR OF ONE-HALF TO HOWARD C. BARNES,`OF BOSTON, MASSACHUSETTS.
BOX-FAST-ENER.
SPECIFICATION forming part of Letters Patent No. 275,853, dated April 1'7, 1883.
Application tiled January 29, 1883.
To all whom it may concern:
Be it known that I, WILLIAM W. RANDALL, a citizen of the United States, residing at Marshfield, in the county of Plymouth and State of Massachusetts, have invented a new and useful Spring-Catch for Boxes, of which the following is a specification.
My invention relates to that class of catches which are self-locking, the object being to construct a catch that shall be strong and yet resilient, the movement of the spring being limited in both directions, so that no injurious overstrain can be brought to bear upon it. I
attain this object by the mechanism illustrated in the accompanying drawings, in which- Figure l shows a violin-case in perspective with my improved catches applied. Fig. 2 is a section through a part of the case and catch, the case being closed. Fig. 3 is a section of the same, the case being partly open. Figs. 4 and 5 show details.
In the drawings, A and B represent the lid and body of the case or box. To the body part B (see Figs. 2 and 3) I rigidly attach a piece, M, having a notch at its upper end, as shown. This part has no movement, its function being a passive one. To the lid of the box Iattach a plate-spring, D, curved, as shown in Figs. 2, 3, and 5, and provided with an opening at H, the function of said opening H being to lock into the notch in the piece M, the connection being shown in Fig. 2, which il1ustrates the device in its locked position.
(,No model.)
unlock the catch the user has simply to draw the finger-piece D of the plate-spring D outwardly, so that it' may clear the notch in the piece M.
In constructing my device I prefer the use of a plate, C, provided with openings at L and K, the opening L being adapted to receive the lower end of the spring'plate D, as shown in Figs. 2 and 3 the opening K admitting the upper end of the notched piece M to engage with the spring-plate D. l
It may be seen that the motion of the springplate D is limited in both directions-that is, if it is pulled outwardly the plate C will arrest its motion. If it is pushed inwardly, then the portion D will come in contact with the lower face ot' the case B, and thus be limited in that direction.
In some applications it may be desirable to
US275853D Box-fastener Expired - Lifetime US275853A (en)

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