US2759750A - Door latch operating unit - Google Patents
Door latch operating unit Download PDFInfo
- Publication number
- US2759750A US2759750A US31229152A US2759750A US 2759750 A US2759750 A US 2759750A US 31229152 A US31229152 A US 31229152A US 2759750 A US2759750 A US 2759750A
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- Prior art keywords
- bushing
- retaining means
- retractor
- casing
- spindle
- Prior art date
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- Expired - Lifetime
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- 238000010276 construction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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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
- E05C1/00—Fastening devices with bolts moving rectilinearly
- E05C1/08—Fastening devices with bolts moving rectilinearly with latching action
- E05C1/12—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch
- E05C1/16—Fastening devices with bolts moving rectilinearly with latching action with operating handle or equivalent member moving otherwise than rigidly with the latch the handle or member moving essentially in a plane substantially parallel to the wing or frame
- E05C1/163—Cylindrical or tubular latches
-
- 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
- Y10T292/57—Operators with knobs or handles
Definitions
- This invention relates to a door latch operating unit such as fully shown and described in my co-pending application, Serial No. 310,031, filed September 17, 1952, of which this application is a division, and more particularly to the construction of the rotatable operating means employed in said unit for actuating the retractor contained therein.
- An object of the present invention is to provide rotatable operating means for a cylindrical door latch operating unit which are rotatably supported on the casing of said unit in a manner which eliminates the necessity of providing bearing sleeves on said casing, thereby effecting a considerable saving of material.
- Another object of this invention is to provide a bearing, for supporting the rotatable operating means of such a unit, which is inexpensive to produce and easy to assemble, thereby contributing substantially to the low cost of manufacture of said operating unit.
- a further object of the present invention is to provide rotatable operating means, for a cylindrical door latch operating unit, which include bushings that carry the knob spindles of the unit and are rotatably mounted in the end walls of the casing by means which render it unnecessary to provide bearing sleeves on the casing of said unit for supporting said rotatable operating means as commonly provided on conventional mechanisms heretofore produced.
- Fig. 1 is a plan view, partially in central horizontal section, of the casing and operating means forming a part of my cylindrical door latch operating unit.
- Fig. 2 is a front view thereof, partially in central vertical section, further illustrating the construction of the rotatable operating means.
- Fig. 3 is a sectional end view of said unit taken on line 3-3 of Fig. 2.
- Fig. 4 is a similar view taken on line 4-4 of Fig. 2.
- Fig. 5 is an exploded isometric view of some of the parts forming the operating means illustrating the relative positions which they occupy in the unit.
- cylindrical door latch operating unit disclosed in the accompanying drawing are the same as those disclosed in my above-mentioned, co-pending application and include a cylindrical casing 5 which contains a slidably mounted retractor of any suitable type,
- the inner end of the casing 5 is provided with an end Wall 6 having a circular opening 7 therein, and the outer open end of the casing has a cover plate 8 secured thereto by means of prongs 9 which project from the casing 5 through similarly disposed slots in the cover plate 8 and which are peened over to secure the cover plate to the casing after the retractor mechanism has been installed therein.
- the cover plate 8 has a circular opemng 10 therein which is co-axial with the opening 7 in the end wall 6.
- My improved operating means for actuating the retractor contained within the casing 5 includes tubular bushing members 11-11, one of which is rotatably mounted in each of the openings 7 and 10 in the end wall 6 and cover plate 8 respectively.
- Each of said bushings 11-11 is provided with flange sections 12 and 12-a which extend outwardly from the inner end of the bushing and abut the inner surface of the member in which the bushing is rotatably mounted to rotatably support said bushing and retain it against axial movement outwardly of said casing.
- Said bushings are also provided with a plurality of equally spaced slots 13 which extend into the wall of the bushing from its outer end for a portion of its length, as clearly illustrated in Fig. 5, and the ends 13-11 of the slots 13 provide abutments which are substantially co-planar with the outer surface of the members in which the bushings are mounted.
- An annular washer 14 surrounds each of said bushings and has lugs 15 extending inwardly therefrom which are received in and project through the slots 13 and abut the ends 13-a of said slots to thereby position said washer against the outer surface of the member in which the bushing is mounted and at the proper distance from the flange sections 12 and 12a to prevent binding thereof and permit free rotation of said bushing.
- the washers provide retaining means that prevent axial movement of said bushings inwardly of the casing.
- a tubular spindle 18 is telescopically received in the bore of the bushing 11 and has its end portion in engagement with the portions of the lugs 15 projecting through the slots 13 to thereby retain the lugs against the ends 13-a of said slots and the washer 14 in proper position.
- the entire assembly consisting of the bushing 11, the washer 14 and the tubular spindle 18 is retained in assembled position by soldering, or otherwise securing, the said spindle 18 to the bushing as indicated at 19.
- the said spindle 18 carries an inner knob 20 having a shank portion 21 which surrounds the spindle and is non-rotatably secured thereto by means of a projection 22 which extends inwardly from said shank into a slot 23 extending the length of said spindle.
- the inner knob 20 is retained on the spindle 18 by means of a depressable knob retainer 24 such as that shown in said co-pending application.
- the outer bushing member 11, and washer 14 are held in position by a spindle 25 in the same manner as above described and said spindle carries an outer knob 26 which is non-rotatably secured to the spindle 25 in the same manner that the inner knob 21 is secured to its spindle 18.
- the said outer knob 26 is, however, permanently secured to its spindle 25 by means of an car 27 that extends inwardly from the shank 28 into a slot in the spindle.
- Each of the bushings 11-11 has rollback portions 2929 formed integrally therewith which extend into the casing 5 for operating the retractor contained therein.
- a door latch operating unit including a casing adapted to havea retractor movably mounted therein
- means for operating said retractor comprising a member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on sa d member abutting one side of a stationary portion of said unit, separate retaining means secured to said memher and abutting the opposite side of said stationary portion, said separate retaining means having a portion engaging the end of said slot and being spaced thereby a predetermined distance from said first mentioned retainlng means to permit free rotation of said member, rollback means associated with said member for operatmg the retractor, and means for rotating said member.
- a door latch operating unit including a casing adapted to have a retractor movably mounted therein, means for operating said retractor comprising a member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on said member abutting one side of a stationary portion of said unit, separate retaining means carried by said member for abutting the opposite side of said stationary portion and cooperating with said retaining means to prevent axial movement of said member; said separate retaining means having a portion projecting through and abutting the end of said slot whereby said separate retaining means is spaced a predetermined distance from said first mentioned retaining means to prevent binding of said retaining means on said stationary portion, a separate member secured to said rotatable member with its end against said portion of the separate retaining means to retain said separate retaining means in position, rollback means associated with said member for operating the retractor, and means for rotating said member.
- a door latch operating unit including a casing having an end wall with a circular opening thcrethrough and adapted to have a retractor movably mounted therein, means for operating said retractor comprising a member rotatably mounted in said opening, retaining means on said member abutting the inner surface of the wall, separate retaining means carried by said member and abutting the outer surface of said wall; said retaining means cooperating with said separate retaining means for preventing axial movement of said member in said opening, a spindle non-rotatably secured to said member and abutting said separate retaining means toretain said means in position, means carried by said spindle for rotating it to rotate said member, and rollback means associated with said member for operating said retractor.
- a door latch operating unit including a casing having an end wall with a circular opening therethrough and adapted to have a retractor movably mounted therein, means for operating said retractor comprising a tubular member rotatably mounted in said opening and having a slot extending thereinto for a portion of its length, retaining means on said tubular member abutting the inner surface of said wall, separate retaining means carried by said tubular member for abutting the outer surface of said wall and cooperating with said first mentioned retaining means to prevent axial movement of said tubular member in said opening; said separate retaining means having a portion abutting the end of said slot whereby it is spaced a predetermined distance from said first mentioned retaining means to permit free rotation of said tubular member, a spindle non-rotatably secured to said tubular member and abutting the said separate retaining means to retain said means in position, means carried by said spindle for rotating it to rotate said tubular member, and rollback means associated with said tubular member for operating said retractor
- a door latch operating unit including a casing having an end wall with a circular opening therethrough and adapted to have a retractor slidably mounted therein, means for operating said retractor comprising a tubular bushing which extends through said opening, is rotatable therein and has a plurality of slots extending thereunto for a portion of its length, a flange on said bushing abutting the inner surface of the wall surrounding said opening, an annular Washer carried by said bushing and having inwardly projecting radial lugs thereon which extend through said slots into the base of said bushing, a tubular spindle secured in and projecting outwardly from the base of said bushing with its end in engagement with said lugs to retain said lugs against the end of said slots and the washer in abutment with the outer side of said wall; said flange and washer rotatably supporting said bushing in said opening and preventing axial movement thereof, a knob secured to said spindle for rotating it and said bushing, and roll
- a door latch operating unit including a casing adapted to receive a movable retractor, means for actuating said retractor comprising a tubular member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on said tubular member abutting one side of a stationary portion of said unit, separate retaining means carried by said tubular member abutting the opposite side of said stationary portion and cooperating with said retaining means for preventing axial movement of said tubular member; said separate retaining means having a portion projecting through and abutting the end of said slot whereby said separate retaining means is spaced a predetermined distance from said first mentioned retaining means to prevent binding thereof on said stationary portion, a tubular spindle non-rotatably secured to said tubular member with its end portion abutting the said portion of the separate retaining means to retain it against the end of said slot, rollback means associated with said tubular member, and a knob secured to said tubular spindle for rotating said tubular tub
- a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therethrough; means for actuating said retractor comprising a bushing journalled in said opening, retaining means on Said bushing abutting one side of said end Wall, separate retaining means carried by said bushing and abutting the opposite side of said end wall; said retaining means and said separate retaining means preventing axial movement of said bushing in said opening, a spindle member secured to said bushing and positioning said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member in said opening, rollback means associated with said bushing, and a knob secured to said spindle for rotating said bushing to cause operation of said retractor by said rollback means.
- a door latch operating unit including a casing adapted to receive a movable retractor; means for actuating said retractor comprising a bushing member journalled in said casing, retaining means on said bushing member abutting one side of a stationary portion of said casing, separate retaining means carried by said bushing member and abutting the opposite side of said portion; said retaining means and said separate retaining means preventing axial movement of said bushing member relatively to said casing, a separate member secured to said bushing member with its end portion abutting said separate retaining means to position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said member, rollback means associated with said bushing member, and means for rotating said bushing member to cause operation of said retractor by said rollback means.
- a door latch operating unit including a casing adapted to receive a movable retractor; means for actuating said retractor comprising a bushing member journalled in said casing, retaining means on said bushing member abutting one side of a stationary portion of said casing, separate retaining means carried by said bushing member and abutting the opposite side of said portion;
- said retaining means and said separate retaining means preventing axial movement of said bushing member relatively to said casing, a spindle member secured to said bushing member with its end portion abutting said separate retaining means to thereby position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member, rollback means associated with said bushing member, and a knob secured to said spindle for rotating said bushing member to cause operation of said retractor by said rollback means.
- a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a bushing member journalled in said opening, retaining means on said bushing member engaging one side of said end wall, separate retaining means carried by said bushing member and engaging the opposite side of said end wall, abutment means on said bushing member adapted to position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member in said opening; said first mentioned retaining means and said separate retaining means preventing axial movement of said bushing member in said opening, a spindle member telescopically received by said bushing member and secured thereto with its end portion abutting said separate retaining means to retain said separate retaining means in engagement with said abutment means, rollback means on said bushing member, and a knob carried by said spindle for rotating said bushing member to cause operation of said retractor by said rollback means.
- a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a tubular bushing journalled in said opening, flange means on said bushing engaging the inner side of said end wall, an annular washer surrounding said bushing and engaging the outer side of said end wall and cooperating with said flange means to prevent axial movement of said bushing in said opening, a spindle secured to said bushing with its end portion abutting said washer to position it relatively to said flange means, rollback means extending from said bushing, and a knob secured to said spindle for rotating said bushing to cause actuation of said retractor by said rollback means.
- a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a tubular bushing journalled in said opening, a flange on said bushing abutting the inner side of said end wall, an annular washer surrounding said bushing and abutting the opposite side of said end wall and cooperating with said flange to prevent axial movement of said bushing in said opening, abutment means on said bushing for locating said washer a predetermined distance from said flange to permit free rotation of said bushing, a spindle secured to said bushing with its end abutting said washer to retain it against said abutment means, rollback means on said bushing, and a knob secured to said spindle for rotating said bushing to cause actuation of said retractor by said rollback means.
Description
F. J. M CONNELL DOOR LATCH OPERATING UNIT Original Filed Sept. 17, 1952 United States Patent C) noon LATCH OPERATING UNIT Frank J. McConnell, New Britain, Conn., assiguor to The American Hardware Corporation, New Britain, Conn., a corporation of Connecticut Original application September 17, 1952, Serial No. 310,031. Divided and this application September 30, 1952, Serial No. 312,291
12 Claims. (Cl. 292-3363) This invention relates to a door latch operating unit such as fully shown and described in my co-pending application, Serial No. 310,031, filed September 17, 1952, of which this application is a division, and more particularly to the construction of the rotatable operating means employed in said unit for actuating the retractor contained therein.
An object of the present invention is to provide rotatable operating means for a cylindrical door latch operating unit which are rotatably supported on the casing of said unit in a manner which eliminates the necessity of providing bearing sleeves on said casing, thereby effecting a considerable saving of material.
Another object of this invention is to provide a bearing, for supporting the rotatable operating means of such a unit, which is inexpensive to produce and easy to assemble, thereby contributing substantially to the low cost of manufacture of said operating unit.
A further object of the present invention is to provide rotatable operating means, for a cylindrical door latch operating unit, which include bushings that carry the knob spindles of the unit and are rotatably mounted in the end walls of the casing by means which render it unnecessary to provide bearing sleeves on the casing of said unit for supporting said rotatable operating means as commonly provided on conventional mechanisms heretofore produced.
Further objects and advantages of this invention will be more clearly understood from the following description and the accompanying drawings in which:
Fig. 1 is a plan view, partially in central horizontal section, of the casing and operating means forming a part of my cylindrical door latch operating unit.
Fig. 2 is a front view thereof, partially in central vertical section, further illustrating the construction of the rotatable operating means.
Fig. 3 is a sectional end view of said unit taken on line 3-3 of Fig. 2.
Fig. 4 is a similar view taken on line 4-4 of Fig. 2.
Fig. 5 is an exploded isometric view of some of the parts forming the operating means illustrating the relative positions which they occupy in the unit.
The portions of the cylindrical door latch operating unit disclosed in the accompanying drawing are the same as those disclosed in my above-mentioned, co-pending application and include a cylindrical casing 5 which contains a slidably mounted retractor of any suitable type,
such as that disclosed in said co-pending application.
The inner end of the casing 5 is provided with an end Wall 6 having a circular opening 7 therein, and the outer open end of the casing has a cover plate 8 secured thereto by means of prongs 9 which project from the casing 5 through similarly disposed slots in the cover plate 8 and which are peened over to secure the cover plate to the casing after the retractor mechanism has been installed therein. The cover plate 8 has a circular opemng 10 therein which is co-axial with the opening 7 in the end wall 6.
Patented Aug. 21, 1956 My improved operating means for actuating the retractor contained within the casing 5 includes tubular bushing members 11-11, one of which is rotatably mounted in each of the openings 7 and 10 in the end wall 6 and cover plate 8 respectively. Each of said bushings 11-11 is provided with flange sections 12 and 12-a which extend outwardly from the inner end of the bushing and abut the inner surface of the member in which the bushing is rotatably mounted to rotatably support said bushing and retain it against axial movement outwardly of said casing. Said bushings are also provided with a plurality of equally spaced slots 13 which extend into the wall of the bushing from its outer end for a portion of its length, as clearly illustrated in Fig. 5, and the ends 13-11 of the slots 13 provide abutments which are substantially co-planar with the outer surface of the members in which the bushings are mounted.
An annular washer 14 surrounds each of said bushings and has lugs 15 extending inwardly therefrom which are received in and project through the slots 13 and abut the ends 13-a of said slots to thereby position said washer against the outer surface of the member in which the bushing is mounted and at the proper distance from the flange sections 12 and 12a to prevent binding thereof and permit free rotation of said bushing. In addition to rotatably supporting the bushings, the washers provide retaining means that prevent axial movement of said bushings inwardly of the casing.
On the inner side of the unit, a tubular spindle 18 is telescopically received in the bore of the bushing 11 and has its end portion in engagement with the portions of the lugs 15 projecting through the slots 13 to thereby retain the lugs against the ends 13-a of said slots and the washer 14 in proper position. The entire assembly consisting of the bushing 11, the washer 14 and the tubular spindle 18 is retained in assembled position by soldering, or otherwise securing, the said spindle 18 to the bushing as indicated at 19.
The said spindle 18 carries an inner knob 20 having a shank portion 21 which surrounds the spindle and is non-rotatably secured thereto by means of a projection 22 which extends inwardly from said shank into a slot 23 extending the length of said spindle. The inner knob 20 is retained on the spindle 18 by means of a depressable knob retainer 24 such as that shown in said co-pending application.
The outer bushing member 11, and washer 14 are held in position by a spindle 25 in the same manner as above described and said spindle carries an outer knob 26 which is non-rotatably secured to the spindle 25 in the same manner that the inner knob 21 is secured to its spindle 18. The said outer knob 26 is, however, permanently secured to its spindle 25 by means of an car 27 that extends inwardly from the shank 28 into a slot in the spindle.
Each of the bushings 11-11 has rollback portions 2929 formed integrally therewith which extend into the casing 5 for operating the retractor contained therein.
It will be understood from the above description, that the construction of the operating means of my improved door latch operating unit provides a rotatable mounting for the inner and outer knobs which does not require the provision of bearing sleeves on the casing and cover plate and does, therefore, effect a substantial saving of material and labor which considerably reduces the cost of the unit. Furthermore, the bushings 11 and washers 14 provides supporting means for the spindles which are simple to assemble and extremely durable.
I claim:
1. In a door latch operating unit including a casing adapted to havea retractor movably mounted therein,
means for operating said retractor comprising a member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on sa d member abutting one side of a stationary portion of said unit, separate retaining means secured to said memher and abutting the opposite side of said stationary portion, said separate retaining means having a portion engaging the end of said slot and being spaced thereby a predetermined distance from said first mentioned retainlng means to permit free rotation of said member, rollback means associated with said member for operatmg the retractor, and means for rotating said member.
2. In a door latch operating unit including a casing adapted to have a retractor movably mounted therein, means for operating said retractor comprising a member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on said member abutting one side of a stationary portion of said unit, separate retaining means carried by said member for abutting the opposite side of said stationary portion and cooperating with said retaining means to prevent axial movement of said member; said separate retaining means having a portion projecting through and abutting the end of said slot whereby said separate retaining means is spaced a predetermined distance from said first mentioned retaining means to prevent binding of said retaining means on said stationary portion, a separate member secured to said rotatable member with its end against said portion of the separate retaining means to retain said separate retaining means in position, rollback means associated with said member for operating the retractor, and means for rotating said member.
3. In a door latch operating unit including a casing having an end wall with a circular opening thcrethrough and adapted to have a retractor movably mounted therein, means for operating said retractor comprising a member rotatably mounted in said opening, retaining means on said member abutting the inner surface of the wall, separate retaining means carried by said member and abutting the outer surface of said wall; said retaining means cooperating with said separate retaining means for preventing axial movement of said member in said opening, a spindle non-rotatably secured to said member and abutting said separate retaining means toretain said means in position, means carried by said spindle for rotating it to rotate said member, and rollback means associated with said member for operating said retractor.
4. In a door latch operating unit including a casing having an end wall with a circular opening therethrough and adapted to have a retractor movably mounted therein, means for operating said retractor comprising a tubular member rotatably mounted in said opening and having a slot extending thereinto for a portion of its length, retaining means on said tubular member abutting the inner surface of said wall, separate retaining means carried by said tubular member for abutting the outer surface of said wall and cooperating with said first mentioned retaining means to prevent axial movement of said tubular member in said opening; said separate retaining means having a portion abutting the end of said slot whereby it is spaced a predetermined distance from said first mentioned retaining means to permit free rotation of said tubular member, a spindle non-rotatably secured to said tubular member and abutting the said separate retaining means to retain said means in position, means carried by said spindle for rotating it to rotate said tubular member, and rollback means associated with said tubular member for operating said retractor.
5. In a door latch operating unit including a casing having an end wall with a circular opening therethrough and adapted to have a retractor slidably mounted therein, means for operating said retractor comprising a tubular bushing which extends through said opening, is rotatable therein and has a plurality of slots extending thereunto for a portion of its length, a flange on said bushing abutting the inner surface of the wall surrounding said opening, an annular Washer carried by said bushing and having inwardly projecting radial lugs thereon which extend through said slots into the base of said bushing, a tubular spindle secured in and projecting outwardly from the base of said bushing with its end in engagement with said lugs to retain said lugs against the end of said slots and the washer in abutment with the outer side of said wall; said flange and washer rotatably supporting said bushing in said opening and preventing axial movement thereof, a knob secured to said spindle for rotating it and said bushing, and rollbacks extending from said bushing for operating said retractor.
6. In a door latch operating unit including a casing adapted to receive a movable retractor, means for actuating said retractor comprising a tubular member rotatably carried by said casing and having a slot therein extending for a portion of its length, retaining means on said tubular member abutting one side of a stationary portion of said unit, separate retaining means carried by said tubular member abutting the opposite side of said stationary portion and cooperating with said retaining means for preventing axial movement of said tubular member; said separate retaining means having a portion projecting through and abutting the end of said slot whereby said separate retaining means is spaced a predetermined distance from said first mentioned retaining means to prevent binding thereof on said stationary portion, a tubular spindle non-rotatably secured to said tubular member with its end portion abutting the said portion of the separate retaining means to retain it against the end of said slot, rollback means associated with said tubular member, and a knob secured to said tubular spindle for rotating said tubular spindle and said tubular member to cause actuation of said retractor by said rollback means.
7. In a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therethrough; means for actuating said retractor comprising a bushing journalled in said opening, retaining means on Said bushing abutting one side of said end Wall, separate retaining means carried by said bushing and abutting the opposite side of said end wall; said retaining means and said separate retaining means preventing axial movement of said bushing in said opening, a spindle member secured to said bushing and positioning said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member in said opening, rollback means associated with said bushing, and a knob secured to said spindle for rotating said bushing to cause operation of said retractor by said rollback means.
8. In a door latch operating unit including a casing adapted to receive a movable retractor; means for actuating said retractor comprising a bushing member journalled in said casing, retaining means on said bushing member abutting one side of a stationary portion of said casing, separate retaining means carried by said bushing member and abutting the opposite side of said portion; said retaining means and said separate retaining means preventing axial movement of said bushing member relatively to said casing, a separate member secured to said bushing member with its end portion abutting said separate retaining means to position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said member, rollback means associated with said bushing member, and means for rotating said bushing member to cause operation of said retractor by said rollback means.
9. In a door latch operating unit including a casing adapted to receive a movable retractor; means for actuating said retractor comprising a bushing member journalled in said casing, retaining means on said bushing member abutting one side of a stationary portion of said casing, separate retaining means carried by said bushing member and abutting the opposite side of said portion;
said retaining means and said separate retaining means preventing axial movement of said bushing member relatively to said casing, a spindle member secured to said bushing member with its end portion abutting said separate retaining means to thereby position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member, rollback means associated with said bushing member, and a knob secured to said spindle for rotating said bushing member to cause operation of said retractor by said rollback means.
10. In a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a bushing member journalled in said opening, retaining means on said bushing member engaging one side of said end wall, separate retaining means carried by said bushing member and engaging the opposite side of said end wall, abutment means on said bushing member adapted to position said separate retaining means a predetermined distance from said first mentioned retaining means to permit free rotation of said bushing member in said opening; said first mentioned retaining means and said separate retaining means preventing axial movement of said bushing member in said opening, a spindle member telescopically received by said bushing member and secured thereto with its end portion abutting said separate retaining means to retain said separate retaining means in engagement with said abutment means, rollback means on said bushing member, and a knob carried by said spindle for rotating said bushing member to cause operation of said retractor by said rollback means.
11. In a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a tubular bushing journalled in said opening, flange means on said bushing engaging the inner side of said end wall, an annular washer surrounding said bushing and engaging the outer side of said end wall and cooperating with said flange means to prevent axial movement of said bushing in said opening, a spindle secured to said bushing with its end portion abutting said washer to position it relatively to said flange means, rollback means extending from said bushing, and a knob secured to said spindle for rotating said bushing to cause actuation of said retractor by said rollback means.
12. In a door latch operating unit including a casing adapted to receive a movable retractor and having an end wall with a circular opening therein; means for actuating said retractor comprising a tubular bushing journalled in said opening, a flange on said bushing abutting the inner side of said end wall, an annular washer surrounding said bushing and abutting the opposite side of said end wall and cooperating with said flange to prevent axial movement of said bushing in said opening, abutment means on said bushing for locating said washer a predetermined distance from said flange to permit free rotation of said bushing, a spindle secured to said bushing with its end abutting said washer to retain it against said abutment means, rollback means on said bushing, and a knob secured to said spindle for rotating said bushing to cause actuation of said retractor by said rollback means.
References Cited in the file of this patent UNITED STATES PATENTS 733,368 Caley July 14, 1903 934,702 Thomas Sept. 21, 1909 1,606,590 Moore Nov. 9, 1926 2,027,731 Holpfer Jan. 14, 1936 2,207,877 Schlage July 16, 1940 2,314,488 Fellows Mar. 23, 1943 FOREIGN PATENTS 236,055 Great Britain July 2, 1925
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US31229152 US2759750A (en) | 1952-09-17 | 1952-09-30 | Door latch operating unit |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US310031A US2879096A (en) | 1952-09-17 | 1952-09-17 | Door latch operating unit |
| US31229152 US2759750A (en) | 1952-09-17 | 1952-09-30 | Door latch operating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2759750A true US2759750A (en) | 1956-08-21 |
Family
ID=26977157
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US31229152 Expired - Lifetime US2759750A (en) | 1952-09-17 | 1952-09-30 | Door latch operating unit |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2759750A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1147507B (en) * | 1958-05-23 | 1963-04-18 | Antonio Marcante | Doorknob |
| US20120212113A1 (en) * | 2011-02-18 | 2012-08-23 | Lite-On Technology Corporation | Fixing mechanism of housing and fixing assembly thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US733368A (en) * | 1903-04-25 | 1903-07-14 | Russell & Erwin Mfg Co | Hub and roll-back. |
| US934702A (en) * | 1908-01-28 | 1909-09-21 | William H Thomas | Knob-lock. |
| GB236055A (en) * | 1924-07-29 | 1925-07-02 | Samuel Rowland Parkes | Improvements in or relating to mounts for door handles |
| US1606590A (en) * | 1924-02-14 | 1926-11-09 | Bassick Co | Lock handle |
| US2027731A (en) * | 1931-04-24 | 1936-01-14 | American Hardware Corp | Lock construction |
| US2207877A (en) * | 1937-06-18 | 1940-07-16 | Schlage Lock Co | Door latch |
| US2314488A (en) * | 1939-10-10 | 1943-03-23 | Yale & Towne Mfg Co | Tubular latch |
-
1952
- 1952-09-30 US US31229152 patent/US2759750A/en not_active Expired - Lifetime
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US733368A (en) * | 1903-04-25 | 1903-07-14 | Russell & Erwin Mfg Co | Hub and roll-back. |
| US934702A (en) * | 1908-01-28 | 1909-09-21 | William H Thomas | Knob-lock. |
| US1606590A (en) * | 1924-02-14 | 1926-11-09 | Bassick Co | Lock handle |
| GB236055A (en) * | 1924-07-29 | 1925-07-02 | Samuel Rowland Parkes | Improvements in or relating to mounts for door handles |
| US2027731A (en) * | 1931-04-24 | 1936-01-14 | American Hardware Corp | Lock construction |
| US2207877A (en) * | 1937-06-18 | 1940-07-16 | Schlage Lock Co | Door latch |
| US2314488A (en) * | 1939-10-10 | 1943-03-23 | Yale & Towne Mfg Co | Tubular latch |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1147507B (en) * | 1958-05-23 | 1963-04-18 | Antonio Marcante | Doorknob |
| US20120212113A1 (en) * | 2011-02-18 | 2012-08-23 | Lite-On Technology Corporation | Fixing mechanism of housing and fixing assembly thereof |
| US8562082B2 (en) * | 2011-02-18 | 2013-10-22 | Lite-On Electronics (Guangzhou) Limited | Fixing mechanism of housing and fixing assembly thereof |
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