US924081A - Door-bolt. - Google Patents

Door-bolt. Download PDF

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Publication number
US924081A
US924081A US1907402887A US924081A US 924081 A US924081 A US 924081A US 1907402887 A US1907402887 A US 1907402887A US 924081 A US924081 A US 924081A
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United States
Prior art keywords
door
bolt
locking
bar
ball
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Friedrich Loev
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Friedrich Loev
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Application filed by Friedrich Loev filed Critical Friedrich Loev
Priority to US1907402887 priority Critical patent/US924081A/en
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Publication of US924081A publication Critical patent/US924081A/en
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Expired - Lifetime legal-status Critical Current

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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
    • E05C17/32Devices 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 two or more pivoted rods
    • 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
    • Y10T292/282Multiple

Description

noon BOLT. APPLIOATION FILED NOV. 19,1907.

924,081 Patented June 8, 1909.

I J I If f L; Y I I I 9N I s ry L ,--i I ,I I, C:

L j A 7 IT a %'Zn6sses; "J22 0 6224072 FRIEDRICH LOEV, OF HAMBURG, GERMANY.

DOOR-BOLT.

Specification of Letters Patent.

Patented June 8, 1909.

Application filed November 19, 1907. Serial No. 402,887.

To all whom it may concern:

Be it known that I, FRIEDRICH LOEV, a subject of the German Emperor, and resident of No. 48 Michaelisstrasse, Hamburg, Germany, have invented certain new and useful Improvements in Door-Bolts, of which the following is a specification.

The present invention relates to an improved door-bolt which allows a complete closing as well as a partial and a complete opening of the door. By simply pushing back a bolt, or slide, the pliant part of the locking-bar is allowed to operate, so that the door may be partially o ened. When the door is to be opened comp etely for admitting persons the ball attached to one end of the bolt and Which slides in a special guiding groove is taken out of an opening in the guide whereupon the door can be opened completely.

The accompanying drawing represents the invention.

Figure 1 is a perspective view of the invention as applied to a door or closure in locked position. Fig. 2 is a perspective view of the device in position to allow a partial opening of the door or closure. Fig. 3 shows the device whereby the locking-bar hangs downward. Fig. 4 is a modified form of the piece a.

This door-bolt is like the well-known door-chain, with the head iece a fastened to the door-post, or on folding doors to the one half of the latter, by means of screws or the like. The part b which has a guide 6 and openingf is affixed to the door. The lockingbar or bolt 0, c is attached to the headpiece a in such a manner that it may be moved in a vertical or horizontal direction. This locking-bar consists of two parts 0, c which are connected by a hinge 9. When not in use the bolt hangs downward (Fig. 3) so that the door can be opened without difiiculty. A ball at is affixed to the lower part c of the locking-bar which ball can be moved in the guide e of the part b and can be taken out of said guide through the opening f only. If the door is to be closed so that it cannot be opened from the outside, the ball d which is attached to the locking-bar c, c is brought through the opening f into the guide 6 of the part b whereon by pushing the casing h over the knee-joint g a deflection of both the arts 0, c is prevented. (See Fig. 1.) If t e door is to be partly opened, the casing h is slid away from the knee-joint 9 so as to allow the locking-bar c, c to be flexed during which flexing the ball (1 travels in the guide without however, being freed therefrom. In order to open the door comletely to admit a person, the ball d is brought 0 posite the openin f of the guide whereon the ball may be ta en out of the latter and the door can be opened.

In order to enable an easy movement of the locking-bar in a vertical and horizontal direction, the head-piece a (Fig. 4:) may be shaped as a ball on which two rings 11 carrying the locking-bar c, 0 move. The knee-joint 9 may also be shaped in different forms in order to obtain an easy movement of the locking-bar.

I claim:

In a door-bolt for connecting the fixed and movable parts of a door the combination of a head-piece (a) fastened to the fixed part of the door, a locking-bar (c, 0 consisting of two parts connected with each other by a hinge, the one of the said parts being movably connected with the said head-piece, a post carrying a ball fixed to the other part, and at right angles to the said locking-bar, a guide fastened to the movable part of the door and having an opening (f) midway of the ends, said ball being adapted to slide in the said guide and to be taken out of the said 0 ening when the door is to be opened comp etely, a sleeve (h) situated on one part of the locking bar and adapted to be pushed over the said hinge, substantially as and for the purposes set forth.

FRIEDRICH LOEV.

Witnesses M. PARTOR, L. DAMM.

US1907402887 1907-11-19 1907-11-19 Door-bolt. Expired - Lifetime US924081A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US1907402887 US924081A (en) 1907-11-19 1907-11-19 Door-bolt.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1907402887 US924081A (en) 1907-11-19 1907-11-19 Door-bolt.

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US924081A true US924081A (en) 1909-06-08

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US1907402887 Expired - Lifetime US924081A (en) 1907-11-19 1907-11-19 Door-bolt.

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126220A (en) * 1964-03-24 callegari
US3933383A (en) * 1974-09-20 1976-01-20 Brooks Walker Latch
US4318559A (en) * 1980-03-31 1982-03-09 Johnston & Margolis, P.C. Lock for sliding members
US4762351A (en) * 1985-06-07 1988-08-09 Bowman E W Security device for doors
US20050134051A1 (en) * 2003-12-18 2005-06-23 Ron Amy Door catch
US20050253402A1 (en) * 2002-04-23 2005-11-17 Griffin Alexander E Security device for a door
US20060009317A1 (en) * 2003-12-18 2006-01-12 Ron Amy Door catch
US20100289278A1 (en) * 2009-05-15 2010-11-18 Tang Gordon C Easily Installed and non-defacing security latch
US20110259061A1 (en) * 2008-09-21 2011-10-27 BROSE SCHLIEßSYSTEME GMBH & CO. KG Motor vehicle lock
EP2430267A1 (en) * 2009-05-15 2012-03-21 Gordon C. Tang Easily installed and non-defacing security latch

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3126220A (en) * 1964-03-24 callegari
US3933383A (en) * 1974-09-20 1976-01-20 Brooks Walker Latch
US4318559A (en) * 1980-03-31 1982-03-09 Johnston & Margolis, P.C. Lock for sliding members
US4762351A (en) * 1985-06-07 1988-08-09 Bowman E W Security device for doors
US20050253402A1 (en) * 2002-04-23 2005-11-17 Griffin Alexander E Security device for a door
US20050134051A1 (en) * 2003-12-18 2005-06-23 Ron Amy Door catch
US6942256B2 (en) * 2003-12-18 2005-09-13 Ron Amy Door catch
US20060009317A1 (en) * 2003-12-18 2006-01-12 Ron Amy Door catch
US7226091B2 (en) 2003-12-18 2007-06-05 Ron Amy Door catch
US9074393B2 (en) * 2008-09-21 2015-07-07 Brose Schliesssysteme Gmbh & Co. Kg Motor vehicle lock
US20110259061A1 (en) * 2008-09-21 2011-10-27 BROSE SCHLIEßSYSTEME GMBH & CO. KG Motor vehicle lock
EP2430268A2 (en) * 2009-05-15 2012-03-21 Gordon C. Tang Easily installed and non-defacing security latch
EP2430267A1 (en) * 2009-05-15 2012-03-21 Gordon C. Tang Easily installed and non-defacing security latch
EP2430267A4 (en) * 2009-05-15 2014-10-01 Gordon C Tang Easily installed and non-defacing security latch
EP2430268A4 (en) * 2009-05-15 2014-10-01 Gordon C Tang Easily installed and non-defacing security latch
US20100289278A1 (en) * 2009-05-15 2010-11-18 Tang Gordon C Easily Installed and non-defacing security latch

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