US186319A - Improvement in door-retainers - Google Patents

Improvement in door-retainers Download PDF

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Publication number
US186319A
US186319A US186319DA US186319A US 186319 A US186319 A US 186319A US 186319D A US186319D A US 186319DA US 186319 A US186319 A US 186319A
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United States
Prior art keywords
door
chain
improvement
retainers
knob
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Expired - Lifetime
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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
    • E05C17/36—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 comprising a flexible member, e.g. chains
    • E05C17/365—Security chains
    • 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
    • Y10T292/283—Chain
    • 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
    • Y10T70/00—Locks
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8432—For key-operated mechanism
    • Y10T70/8676—Key holders
    • Y10T70/8703—Flexible

Definitions

  • the object of my invention is to make a device which, in conjunction with the knob of an ordinary door-latch, will serve to retain the door, and at the same time permit it to be opened to an extent sufficient to permit a conversation between parties on opposite sides of the door; and this objectl attain by means of a looped chain, covered with soft material, and fastened to the door-frame, the loop being applied to the knob of the door.
  • Figure 1 represents my improved door-retainer, and Fig. 2 a modification of the same.
  • a chain, A composed of links of any desired construction, has at each end an eye, a, for the reception of a screw, b,which serves to secure the said two ends of the chain to the frame of the door in a position adjoining the ,knob B of the usual latch-bolt.
  • the chain thus secured to the doorframe forms a loop long enough to be passed over the handle, on the neck of which it can rest, as shown by dotted lines in Fig. 1.
  • loop of chain should be short enough to eflectually prevent the wide opening of the door, it should be sufliciently long to allow a slight opening, large enough to perwit a conversation between parties on opposite sides of the door.
  • this soft clothing of the chain is threefold first, it retains the loop of chain in a proper distended condition for ready application to the knob; second, it prevents .the disagreeable rattling of the chain and, third, it prevents the abrasion of the neck of the knob by the chain.
  • the loop or chain may be made as shown in Fig. 2, which will be readily understood without explanation in fact the chain may be arranged in different ways, providing it be constructed for attachment to the door-frame,
  • the within-described door-retainer consisting of a looped chain covered with rubber or other soft material, and attached to a doorframe, the loop being adapted for application to the knob of the door, as set forth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Securing Of Glass Panes Or The Like (AREA)

Description

Patented J'an.16,1'877.
R E nm'zr noon RETAINER.
. To all whom it may cohcem:
'NIT D STATES PATENT OFFICE.
ROBERT E. DIETZ, OF NEW YORK, N. Y.
IMPROVEMENT m oooR-RETAmERs.
Specification forming part of Letters Patent No. [86,319, dated January 16, 1877; application. filed December 20, 1876.
Be it known that I, Bonner E. Dm'rz, of New York city, State of New York, have invented a new and useful Improvement in Door-Retainers, of which the following is a specification The object of my invention is to make a device which, in conjunction with the knob of an ordinary door-latch, will serve to retain the door, and at the same time permit it to be opened to an extent sufficient to permit a conversation between parties on opposite sides of the door; and this objectl attain by means of a looped chain, covered with soft material, and fastened to the door-frame, the loop being applied to the knob of the door.
In the accompanying drawing, Figure 1 represents my improved door-retainer, and Fig. 2 a modification of the same.
A chain, A, composed of links of any desired construction, has at each end an eye, a, for the reception of a screw, b,which serves to secure the said two ends of the chain to the frame of the door in a position adjoining the ,knob B of the usual latch-bolt. The chain thus secured to the doorframe forms a loop long enough to be passed over the handle, on the neck of which it can rest, as shown by dotted lines in Fig. 1.
While the loop of chain should be short enough to eflectually prevent the wide opening of the door, it should be sufliciently long to allow a slight opening, large enough to perwit a conversation between parties on opposite sides of the door.
I preferto cover the chain with soft yield ing material.
Leather, for instance, will serve the purpose but the chain may be most easily clothed with rubber by introducing it into a tube, D, of that material.
The object of this soft clothing of the chain is threefold first, it retains the loop of chain in a proper distended condition for ready application to the knob; second, it prevents .the disagreeable rattling of the chain and, third, it prevents the abrasion of the neck of the knob by the chain.
'When the retainer is not in useit may be hung down, as shown in the drawing. so as to be clear of the edge of the door. (Represented by the line as an.)
The loop or chain may be made as shown in Fig. 2, which will be readily understood without explanation in fact the chain may be arranged in different ways, providing it be constructed for attachment to the door-frame,
and for application to the knob in the manner described.
I claim as my invention- The within-described door-retainer, consisting of a looped chain covered with rubber or other soft material, and attached to a doorframe, the loop being adapted for application to the knob of the door, as set forth.
In testimony whereof I have signed my name to this specification in the presence of two subscribing witnesses.
ROBERT E. DIETZ.
Witnesses:
JOHN Cannon, WILLIAM H. DEHART.
US186319D Improvement in door-retainers Expired - Lifetime US186319A (en)

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US186319A true US186319A (en) 1877-01-16

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2726112A (en) * 1953-09-04 1955-12-06 Conhagen Alfred Lock striking plate
US2901903A (en) * 1952-06-18 1959-09-01 John M Grace Key chain
US2973223A (en) * 1957-10-28 1961-02-28 Garvin L Whatley Protector for flexible member linking two relatively movable members
US3011818A (en) * 1959-04-24 1961-12-05 Roy A Matthiessen Automobile trunk lid holder
US3059952A (en) * 1958-11-05 1962-10-23 Emil A Wittman Device for preventing car doors from opening
US4155577A (en) * 1978-06-12 1979-05-22 Raymond Edward L Security device
US5466022A (en) * 1993-11-19 1995-11-14 Derman; Jay S. Safety cable lock for knob-operated door
US5716084A (en) * 1996-07-31 1998-02-10 Sanford, Jr.; Jack G. Door security system
US20050041131A1 (en) * 2001-09-11 2005-02-24 Olympus Optical Co., Ltd. Electronic apparatus, stand and electronic apparatus stand system
US20150225989A1 (en) * 2013-01-22 2015-08-13 Celisa Jeanette Edwards Portable lock-down system

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2901903A (en) * 1952-06-18 1959-09-01 John M Grace Key chain
US2726112A (en) * 1953-09-04 1955-12-06 Conhagen Alfred Lock striking plate
US2973223A (en) * 1957-10-28 1961-02-28 Garvin L Whatley Protector for flexible member linking two relatively movable members
US3059952A (en) * 1958-11-05 1962-10-23 Emil A Wittman Device for preventing car doors from opening
US3011818A (en) * 1959-04-24 1961-12-05 Roy A Matthiessen Automobile trunk lid holder
US4155577A (en) * 1978-06-12 1979-05-22 Raymond Edward L Security device
US5466022A (en) * 1993-11-19 1995-11-14 Derman; Jay S. Safety cable lock for knob-operated door
US5716084A (en) * 1996-07-31 1998-02-10 Sanford, Jr.; Jack G. Door security system
US20050041131A1 (en) * 2001-09-11 2005-02-24 Olympus Optical Co., Ltd. Electronic apparatus, stand and electronic apparatus stand system
US20150225989A1 (en) * 2013-01-22 2015-08-13 Celisa Jeanette Edwards Portable lock-down system

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