US164701A - Improvement in door-checks - Google Patents

Improvement in door-checks Download PDF

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US164701A
US164701A US164701DA US164701A US 164701 A US164701 A US 164701A US 164701D A US164701D A US 164701DA US 164701 A US164701 A US 164701A
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Prior art keywords
door
checks
improvement
roller
check
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    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05CBOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C17/00Devices 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
    • E05C17/02Devices 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
    • E05C17/04Devices 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
    • E05C17/30Devices 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 of extensible, e.g. telescopic, construction
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T292/00Closure fasteners
    • Y10T292/28Extension link
    • Y10T292/301Friction catch

Description

UNITED STATES PATENT FFICE.

WILLIAM H. WILLIS, Oll FOREST CITY, MISSOURI.

IMPROVEMENT iN DOCH-CHECKS.

Specification forming part of Letters Patent No. 164,70 l, dated June 22, 1875; appli ation tiled Mays, i875.

To all whom it may concern Be it known that I, WILLIAM ]EI. WILLIS, of Forest City, county of Holt and State of Missouri, have invented certain new and useful Improvements in Door-Checks, ot' which the following is a specification My invention consists in the application of a friction'roller to two straight bars sliding the one upon the other, and to the devices for the attachment to the door and door-frame of a door-check, as will be hereinafter more fully set fort-h and definitely claimed.

In order to enable others skilled in the art to which my invention appertains to make and use the same, I will now proceed to describe its construction and operation, vreferring to the annexed drawing, in which- Figure l is a perspective view ot' a door with my door-check applied thereto. Fig. 2 is a longitudinal section of my door-check.

A represents a door-frame, and B the door, hung therein in any of the known and usual ways. At the top of the door B, at or near the outer edge, is fastened a plate, C, provided with an outwardprojecting ear, having a vert ical pin or stud, a, extending upward from the same. Ou the door-frame A, beyondthe line of the hinges, is secured another plate, D, having also an outwardly-projecting ear or arm,with a vertical pin or stud, I), extendingupward therefrom. E and Grepresent two straight bars, slidingone upon the other, they being con nected by means ot a loop, el, and stirrup I, as shown. In the stirrup I is placed a frame, c,

containing a rubber roller, 71 the journals of which project through vertical slots inthe sides I ofthe stirrup. The roller h is held down upon the upper bar by means of a set-screw, J, passing through the top of the stirrup I and bearing onthe frame e. By means of this setscrew the pressure of the roller is easily regulated. At the outer ends of the bars E Gr are formed or attached short vertical tubes t' t', which are placed over the pins or studs a b of the plates C and D, respectively.

When thus placed on the door and doorframe, it will readily be seen that the bars E G, with the pressure-roller h, form a complete door-check, preventing the slamming ot' the door or the blowing to of the same. rlhe door may be placed at any angle desired-thatis, more or less open-and will be held there by the check.

The device is simple, cheap,v durable, and not liable to get out ot' order.

I-Iaving thus fully described my invention, what I claim as new, and desire to secure by Letters Patent, is-

l. In a door-check, the combination of the bars E Gr, sliding one upon thc'other, and the pressure-roller h, arranged thereon by any suitable mechanism, substantially as and for the purposes herein set forth.

2. The combination of the sliding bars E G, st-irrup I, set-screw J, frame e, and rubber roller h, substantially as and for the purposes herein set forth.

3. The combination of the sliding bars E Gr Vand their pressure-roller h, arranged thereon

US164701D Improvement in door-checks Expired - Lifetime US164701A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282841B1 (en) * 2000-03-03 2001-09-04 Cathy D. Santa Cruz Stop device for sliding closures
US20030230030A1 (en) * 2002-06-12 2003-12-18 Santa Cruz Cathy D. Stop device for sliding closures including an alarm means and optional interchangeable safety features
US20060246838A1 (en) * 2003-09-11 2006-11-02 Atc Technologies, Llc Systems and Methods for Inter-System Sharing of Satellite Communications Frequencies Within a Common Footprint
US20070010246A1 (en) * 2005-07-05 2007-01-11 Churan Gary G Methods, Apparatus and Computer Program Products for Joint Decoding of Access Probes in a CDMA Communications System
US20100035606A1 (en) * 2001-09-14 2010-02-11 Atc Technologies, Llc Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6282841B1 (en) * 2000-03-03 2001-09-04 Cathy D. Santa Cruz Stop device for sliding closures
WO2001065038A1 (en) * 2000-03-03 2001-09-07 Santa Cruz Cathy D Stop device for sliding closures
US20100035606A1 (en) * 2001-09-14 2010-02-11 Atc Technologies, Llc Systems and methods for terrestrial reuse of cellular satellite frequency spectrum in a time-division duplex mode
US20030230030A1 (en) * 2002-06-12 2003-12-18 Santa Cruz Cathy D. Stop device for sliding closures including an alarm means and optional interchangeable safety features
US20060246838A1 (en) * 2003-09-11 2006-11-02 Atc Technologies, Llc Systems and Methods for Inter-System Sharing of Satellite Communications Frequencies Within a Common Footprint
US20070010246A1 (en) * 2005-07-05 2007-01-11 Churan Gary G Methods, Apparatus and Computer Program Products for Joint Decoding of Access Probes in a CDMA Communications System

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