US189822A - Improvement in door-checks - Google Patents

Improvement in door-checks Download PDF

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Publication number
US189822A
US189822A US189822DA US189822A US 189822 A US189822 A US 189822A US 189822D A US189822D A US 189822DA US 189822 A US189822 A US 189822A
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United States
Prior art keywords
door
catch
improvement
arm
checks
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Expired - Lifetime
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Publication of US189822A publication Critical patent/US189822A/en
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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
    • E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
    • E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
    • E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
    • E05C17/16—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod pivoted only at one end and having an elongated slot
    • E05C17/166—Security devices
    • 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
    • Y10T292/28—Extension link
    • Y10T292/289—Slotted bar

Definitions

  • T-cat-ch pivoted to or ap-. plied to a door, and for use with an arm furnished with a slot and mouth, and hinged to a door-casing; the object of such devices being stated in the specification of such patent.
  • the T-catch is not rotary, but is to be so fastened to the door as to be immovable relatively thereto while in connection with it.
  • This T-catch is shown at A, it having at its inner end a neck, a, provided with a head, b.
  • the body part c of the T-catch has holes at at through it for receiving screws for securely fastening it to a door.
  • the T-catch is provided with the slotted arm-support piece C, receiving recess 0, arranged in it as shown.
  • the arm B to operate with the catch-piece, is furnished with a long slot, j, openiu g out of a cross-slot or mouth, g.
  • the said arm is pivoted or hinged to a support-piece, C, which has a shoulder or back-stop, h, to prevent the slotted arm from being turned inward over the door-opening, so as to be accidentally struck and bent or injured by the door while it may be in the act of being shut.
  • the T-catch when the door is closed, receives the laps on the support-piece C.
  • the two On turning the slotted arm into a right angle with the T-catch, the two will be put in engagement, the head of the T-catch passing through the mouth of the arm.
  • T-catch A provided with the recess 0, arranged in it, as and for the purpose set forth.
  • the support-piece C provided with the back-stop h, in combination with the slotted arm B, pivoted to such support-piece, and arranged with the said back-stop, as shown.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wing Frames And Configurations (AREA)

Description

C. S. WHIPPLE.
DOOR CHECK.
No. 189,822. Patented W11 17, 1877.
1 o WZ at i Y K 2 N. FErERs, PHOTO-LITHOGRAPHERI WASHINGTON. d. C.
UNITE T PATENT OFFICE.
HIMSELF AND GEORGE W. GODDARD, OF SAME PLACE.
IMPROVEMENT IN DOOR-CHECKS.
Specification forming part of Letters Patent No. [89,522, dated April 17, 1877; application filed February 20, 1877.
To all whom it may concern:
Be it known that I, CHARLES S. WHIPPLE,
of the city and county of New London, of the State of Connecticut, have invented a new and useful Improvement in Door or Shutter Fasteners and do hereby declare the same to be described in the following specification and represented in the accompanying drawings,.
celnber 19, 1876, and granted to me, there is described a rotary T-cat-ch, pivoted to or ap-. plied to a door, and for use with an arm furnished with a slot and mouth, and hinged to a door-casing; the object of such devices being stated in the specification of such patent. In my present improvement the T-catch is not rotary, but is to be so fastened to the door as to be immovable relatively thereto while in connection with it. This T-catch is shown at A, it having at its inner end a neck, a, provided with a head, b. The body part c of the T-catch has holes at at through it for receiving screws for securely fastening it to a door.
Furthermore, the T-catch is provided with the slotted arm-support piece C, receiving recess 0, arranged in it as shown.
The arm B, to operate with the catch-piece, is furnished with a long slot, j, openiu g out of a cross-slot or mouth, g. The said arm is pivoted or hinged to a support-piece, C, which has a shoulder or back-stop, h, to prevent the slotted arm from being turned inward over the door-opening, so as to be accidentally struck and bent or injured by the door while it may be in the act of being shut. In consequence of the recess 0, the T-catch, when the door is closed, receives the laps on the support-piece C. On turning the slotted arm into a right angle with the T-catch, the two will be put in engagement, the head of the T-catch passing through the mouth of the arm.
On the door being opened the slotted arm and the T-catch will determine the extent of the opening.
I claim- 1. The T-catch A, provided with the recess 0, arranged in it, as and for the purpose set forth.
2. The support-piece C, provided with the back-stop h, in combination with the slotted arm B, pivoted to such support-piece, and arranged with the said back-stop, as shown.
3. The combination of the T-catch A, pro
vided with the recess e, with the slotted arm B and its pivotal support-piece C, provided with the back-stop h. for such arm, all arranged, constructed, and operating substantially as described and shown, for the purpose specified.
. CHARLES S. WHIPPLE. Witnesses:
R. H. EDDY, J. R. SNOW.
US189822D Improvement in door-checks Expired - Lifetime US189822A (en)

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US189822A true US189822A (en) 1877-04-17

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US189822D Expired - Lifetime US189822A (en) Improvement in door-checks

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408789A (en) * 1981-02-23 1983-10-11 Miller Elbrige H Safety latch for in swinging doors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4408789A (en) * 1981-02-23 1983-10-11 Miller Elbrige H Safety latch for in swinging doors

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