US3347582A - Door stay - Google Patents

Door stay Download PDF

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Publication number
US3347582A
US3347582A US52515566A US3347582A US 3347582 A US3347582 A US 3347582A US 52515566 A US52515566 A US 52515566A US 3347582 A US3347582 A US 3347582A
Authority
US
United States
Prior art keywords
locking bolt
locking
tubular member
stay
door
Prior art date
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
Application number
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English (en)
Inventor
Cleff Herbert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Doerken and Mankel KG
Original Assignee
Doerken and Mankel KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Doerken and Mankel KG filed Critical Doerken and Mankel KG
Application granted granted Critical
Publication of US3347582A publication Critical patent/US3347582A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • E05C17/44—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 device carried on the wing for frictional or like engagement with a fixed flat surface, e.g. for holding wings open or closed by retractable feet
    • E05C17/446—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 device carried on the wing for frictional or like engagement with a fixed flat surface, e.g. for holding wings open or closed by retractable feet of the retractable sliding feet type
    • 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
    • Y10T292/096—Sliding
    • Y10T292/0999—Spring retracted
    • Y10T292/10—Friction catch

Definitions

  • the invention relates to a stay for doors which is provided with a locking bolt located in a guide member which can be secured to the door, the locking bolt being automatically locked by a spring-loaded clamping plate and being rectilinearly movable relative to the iloor against the tension of a return spring, the clamping plate being tiltably supported by the guide member in the operating position.
  • this is achieved by providing the guide member with a guide track for the locking bolt extending in the adjusting direction over the length of the travel adjustment,'the locking bolt being provided with operating cams extending laterally to its longitudinal dimension.
  • the pressure required for transferring the locking bolt into the operating position is exerted in the stay according to this invention not directly but by means of the operating lCe easily possible to design the guide track extending over the travel adjustment in such a way that it will always guide the locking bolt virtually without slack.
  • the guide track is formed by a cross-web of U-shaped guide member and connected to a guide plunger extending in the direction of adjustment.
  • a guide plunger extending in the direction of adjustment.
  • This enables manufacture to be substantially simplified since a profile material piece which requires virtually no machining is adequate as guide plunger.
  • the operating cam can be arranged in different ways. It is particularly recommended to detachably connect the operating cam, which in its exposed area is preferably plate-shaped, to the end part of the locking bolt facing away from the oor, The operating cam will then always remain within the immediately guided range of the locking bolt so that any forces exerted on it cannot result in any harmful tilting or similar displacements. In addition, this space-saving arrangement results in a pleasing appearance.
  • a detachable connection of the operating cam is useful to facilitate convenient assembly of individual parts which are easy to manufacture.
  • the operating cam can moreover act together with the guide member to secure the locking bolt against rotation. This additional function can be of significance in particular in cases where in the interests of saving production costs the locking bolt consists basically of a tube.
  • the design of the stay in accordance with the invention provides a large space for accommodating a springvact-ing on the locking bolt in the retracted position so that it is possible to use a spring having a at characteristic within the operating range which during practical service is not exposed to any unfavourably high stresses.
  • FIG. l is a side view of a stay according to the invention secured to a door, the operating position of the stay being indicated by broken lines;
  • FIG. 2 shows a front view of the arrangement in FIG. l; f Y
  • FIG. 3 shows the stay on a larger scale in a partly sectioned side view, a cover having been omitted;
  • FIG. 4 shows the arrangement according to FIG. 3 as side view with the locking bolt moved into the ⁇ operating position
  • FIG. 5 is a section on line V--V in FIG. 4, and
  • FIG. 6 is a section on line VI-VI in FIG. 4.
  • the stay 11 is mounted on the lower edge of a door 10, the stay 11 being provided with an extendable locking bolt 13 which at its lower end is provided with a thrust foot.
  • An operating cam 14 is provided for advancing the locking bolt 13 into the operating position and the stay is released by the action of the exposed part of a locking plate 1S.
  • the stay comprises a U-shaped bracket 16 having a web 19 which can be connected to the door by meansof screws extending through screw holes provided therein and two end webs 17 and 18.
  • a cylindrical plunger 20 is riveted to the top end web 17,' the cylindrical plunger extending parallel to the web 19.
  • a tube 21 forming part of the locking bolt 13 is axially slidable on the plunger 20 which forms a guide track therefor. At the lower end the tube 21 passes through an aperture in lower end web 18. The tube 21 is thus guided by the plunger 20 on t-he one hand and the web 18 on the other.
  • the actuating cam 14 is detachably connected to the upper end of the tube 21 by a clamping screw 22. As shownin FIG. 5, the actutaing cam ⁇ 14 is provided with a plate 23 which contains the screw 22 and surrounds the tube piece 21. Extending from the plate 23 in a direction towards the web 19 as a projection 24, the end of which slidably engages against the web 19 so that it prevents rotation of the tube 21.
  • the actuating cam On the opposite side from the projection 24 the actuating cam is provided with a at rectangular opening 25 whose purpose will be explained later.
  • the plate 23 of the actuating cam 14 is provided with a constriction delineated by two recesses 26 the purpose of which will also be explained subsequently.
  • a part 27 of the actuating cam 14 protruding beyond the constriction provides a point for the application of force for changing over into the operating position. This force is normally applied by foot. Part 27 therefore forms .a pedal for operating the stay.
  • a compression spring 29 engaging against a pin 28.
  • the other end of the spring 29 engages against a plunger 30 of the thrust foot 12 which in the customary manner is provided at its lower end with a resilient inset 31.
  • the plunger 30 is held in the tube 21 by a cotter 32 which engages ⁇ in slots 33 in the tube walls.
  • the length of slots 33 determines the distance over which the plunger 30 of thethrust foot 12 can be ⁇ displaced against thecompression of
  • a second helical compression spring 34 envelopes the tube 21 and engages against the lower face of the actuating cam 14.
  • the lower end of the spring 34 rests on a linking member ⁇ 35 which is provided with a plate' 36 and bottom members 37 arranged opposite to each other.
  • the plate 36 is provided with an opening corresponding v to the cross-section of the tube 21.
  • a flat web 39 is riveted to the edge of the plate 36 remote from the web 19, the at web 39 extending parallel to the web 19 as far as the upper end web 17.
  • the flat web 39 passes'- through the opening 25 in theactuating cam 14 mentioned earlier.
  • the clamping plate 15 engages in a recess of the web 19 by means of a tongue 40, the dimensions being so selected that the clamping plate 15 can describe a tipping movement within certain limits.
  • the clamping plate 15 is provided with a plate 41 having an aperture which receives the tube 21 and with an actuating pedal 43 joined to the plate 41 by a webr 42. Fitted below the clamping plate 15 is a helical compression spring 44 which is clamped between the clamping plate and the end web 18.'-
  • the helical compression spring 44 acts on the clamping plate 15 in a tilting direction as a result of which clamping action against the tube 21 is maintained.
  • the clamping plate 15 is taken along against the tension of spring 44v acting on the clamping plate to such an extent that it does not hinder the movement of tube 21.
  • the width of the constriction formed by recesses 26 ⁇ of the operating cam and in the lower range corresponds to the width of the web 42 of the clamping plate.
  • All that is required for releasing the door is to apply pressure to the clamping plate 15, that is to say to itspedal 43 in order to move it into a position which will release the tube 21 and in ⁇ which the spring 34 becomes active in the direction of a return movement into the initial position.
  • the embodiment illustrated is only an example of the invention. It is not limited 'to this embodiment and several ⁇ other embodiments are possible.
  • the advantageous characteristics of the telescopic guide for the locking bolt in accordance with the invention would also be utilised if the locking plate were to be arranged outside the guide range as is customary in stays known to prior art.
  • the design of the telescopic guide may depart from the one presented here.
  • a foot operated door stay comprising, in combination, attachment means for attaching the stay to a door adjacent the lower edge of the latter; an elongated locking bolt comprising a tubular member movable from a retracted position to an extended position in which said elongated locking bolt engages the door beneath the door to hold the latter in xed position; guide means for guiding said elongated locking bolt during its movement be tween said Ipositions thereof and including a fixed plunger slidably extending into said tubulark member and having a length suicient to engage and guide said tubular mem berin said extended position thereof and a lixed guide plate extending transverseto the axis of said plunger spaced in axial directionfrom the latter and formed with an aperture through which said tubular member extends to be guided therein; biasing means cooperating with said locking bolt and being -biased to urge the same from ,said extended to said retracted position; an operating foot pedal xed to said tubular member projecting laterally therefrom
  • biasing means comprises a coil compression spring wound about sai-d tubular member.
  • said locking means comprises a tiltable locking plate having an aperture through which said tubular member passes, and a spring cooperating with said locking plate to urge the latter into an oblique position relative to the axis yof said tubular member to lock the latter against axial movement
  • said releasing means comprising a second foot pedal connected to said plate so as to move upon applicati-on of pressure to said second foot pedal said tiltable plate against the pressure of the spring cooperating therewith to thereby ⁇ release said locking bolt.
  • said locking bolt comprises a foot member slidably mounted in the lower end of said tubular member and a compression spring arranged in said tubular member and engaging said foot member to urge the latter outwardly from said lower end.
  • said attachment means comprises a U-shaped bracket having a base adapted to be connected to the door and a pair of arms projecting transversely from opposite ends of said base, said plunger being rigidly connected to one arm of said bracket and extends toward the other arm substantially parallel to said base, said other arm constituting said xed plate formed with said aperture in which said tubular member is guided.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Lock And Its Accessories (AREA)
US52515566 1965-02-17 1966-02-04 Door stay Expired - Lifetime US3347582A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0046535 1965-02-17

Publications (1)

Publication Number Publication Date
US3347582A true US3347582A (en) 1967-10-17

Family

ID=7049780

Family Applications (1)

Application Number Title Priority Date Filing Date
US52515566 Expired - Lifetime US3347582A (en) 1965-02-17 1966-02-04 Door stay

Country Status (7)

Country Link
US (1) US3347582A (de)
AT (1) AT260048B (de)
BE (1) BE674324A (de)
DE (1) DE1584071B1 (de)
FR (1) FR1461243A (de)
GB (1) GB1105982A (de)
SE (1) SE308679B (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590928A (en) * 1995-06-01 1997-01-07 Winner International Royalty Corporation Mechanical door stop
WO1998020223A1 (en) * 1995-10-27 1998-05-14 Karlquist Per Erik Piston device
EP1134340A2 (de) * 2000-03-12 2001-09-19 Burg-Wächter Kg Vorrichtung zum Festsetzen eines Tür- oder Fensterflügels
GB2424920A (en) * 2005-04-08 2006-10-11 Stafford Ezekiel Ferguson Push down door stopping device
US20150211269A1 (en) * 2014-01-28 2015-07-30 Dawn Gehrke Doorstop Assembly
EP3530849A1 (de) * 2018-02-23 2019-08-28 David Daniel Rankin, Sr. Hochsicherheitsschloss für tür

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2263303B (en) * 1992-01-14 1995-04-26 Fong Seet Min Door holder
DE10147250B4 (de) * 2001-09-25 2008-04-03 Cherkasky, Yakiv, Dipl.-Ing. Türfeststeller
CN109972943B (zh) * 2019-04-26 2024-01-23 爱发科真空技术（苏州）有限公司 一种门开闭位置锁住机构

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US777408A (en) * 1904-10-03 1904-12-13 Yale & Towne Mfg Co Door stop or holder.
US1215470A (en) * 1916-02-24 1917-02-13 August Bouchery Lock.
US1237030A (en) * 1917-04-28 1917-08-14 Charles A Haas Door-holder.
US1443570A (en) * 1921-09-19 1923-01-30 Franckaerts Emile Door holder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE891967C (de) * 1953-10-01 Hamm Josef Soddemanni (Westf.) Feststeller fur Fenster und Türen
BE554549A (de) *
GB593074A (en) * 1944-08-08 1947-10-08 Henry Thomas Williams Improvements in, or relating to, door or like stops
CH110899A (de) * 1924-10-29 1925-07-16 Imhof Eugen Türhaltevorrichtung, um offene Türen in der Offenstellung sichern zu können.
US2726109A (en) * 1954-06-02 1955-12-06 George T Bennett Door stop
GB895699A (en) * 1959-08-31 1962-05-09 Frederick Percival Ayers Improvements in operating mechanism for sliding bolts for doors and gates

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US777408A (en) * 1904-10-03 1904-12-13 Yale & Towne Mfg Co Door stop or holder.
US1215470A (en) * 1916-02-24 1917-02-13 August Bouchery Lock.
US1237030A (en) * 1917-04-28 1917-08-14 Charles A Haas Door-holder.
US1443570A (en) * 1921-09-19 1923-01-30 Franckaerts Emile Door holder

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5590928A (en) * 1995-06-01 1997-01-07 Winner International Royalty Corporation Mechanical door stop
WO1998020223A1 (en) * 1995-10-27 1998-05-14 Karlquist Per Erik Piston device
EP1134340A2 (de) * 2000-03-12 2001-09-19 Burg-Wächter Kg Vorrichtung zum Festsetzen eines Tür- oder Fensterflügels
EP1134340A3 (de) * 2000-03-12 2001-10-31 Burg-Wächter Kg Vorrichtung zum Festsetzen eines Tür- oder Fensterflügels
GB2424920A (en) * 2005-04-08 2006-10-11 Stafford Ezekiel Ferguson Push down door stopping device
US20150211269A1 (en) * 2014-01-28 2015-07-30 Dawn Gehrke Doorstop Assembly
EP3530849A1 (de) * 2018-02-23 2019-08-28 David Daniel Rankin, Sr. Hochsicherheitsschloss für tür
US11015376B2 (en) 2018-02-23 2021-05-25 David Daniel Rankin, Sr. Security lock for door

Also Published As

Publication number Publication date
FR1461243A (fr) 1966-12-10
SE308679B (de) 1969-02-17
AT260048B (de) 1968-02-12
BE674324A (de) 1966-04-15
DE1584071B1 (de) 1971-07-01
GB1105982A (en) 1968-03-13

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