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Ventilator assembly

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Publication number
US2811349A
US2811349A US48612555A US2811349A US 2811349 A US2811349 A US 2811349A US 48612555 A US48612555 A US 48612555A US 2811349 A US2811349 A US 2811349A
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Grant
Patent type
Prior art keywords
ventilator
key
arm
clevis
arcuate
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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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Carlton W Bondurant
George E Gravenstine
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Standard-Thomson Corp
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Standard-Thomson Corp
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    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/50Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement
    • E06B3/5009Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement where the sliding and rotating movements are necessarily performed simultaneously
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B3/00Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
    • E06B3/32Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
    • E06B3/50Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with more than one kind of movement
    • 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
    • Y10T403/00Joints and connections
    • Y10T403/32Articulated members
    • Y10T403/32008Plural distinct articulation axes
    • Y10T403/32041Universal
    • Y10T403/32049Non-coplanar axes
    • 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
    • Y10T403/00Joints and connections
    • Y10T403/58Joints and connections including ancillary means blocking disconnection of joint
    • Y10T403/581Blocker for assembled joint retainer
    • Y10T403/583Blocker keeper

Description

1957 c. w. BONDURANT ET AL 2,11,34

VENTILATOR ASSEMBLY Filed Feb. 4, 1955 2 Sheets-Sheet 1 ll Wa a,

IN VEN TORS. [IE1 70 I aaA/ouem/r 6504665 5 QiVi/Vff/M Oct. 29, 1957 c. W. BONDURANT ETAL 2,3

VENTILATOR ASSEMBLY F iled Feb. 4, 1955 1 2 Sheets-Sheet 2 VENTEATOR ASSENIBLY Qarlton W. Bondurant and George E. Graveustine, Dayton, Ohio, assignors to Standard-Thomson Corporation, Vandalia, Ohio, a corporation of Delaware Application February 4, 1955, Serial No. 486,125

12 Claims. (Cl. 268104) This invention relates to a ventilator assembly and relates particularly to a ventilator assembly for the type of ventilator which projects outwardly to open. The in vention relates still more particularly to a ventilator assembly of the type having a pivotal rigid actuator arm for movement of the ventilator. However, the invention is not so limited in that it may be used with other types of ventilators and may be employed with other kinds of apparatus.

In the past problems have existed concerning the guides and supports for the projecting type of ventilator. One of the problems has been in regard to the installation of the guides and supports. In order to operate a venti lator which projects outwardly to open, it has been custornary to attach an elongate channel guide member to the ventilator by means of a plurality of aligned hinge members. However, the attachment of the numerous hinge members to the ventilator in proper positions has been very difiicult. Another problem related to the projecting type of ventilator has been in the disconnection of the ventilator from the actuator so that the ventilator could be pivotally moved within its frame to a positionfor cleaning of both sides of the ventilator.

Another problem related to the projecting type of ventilator assembly has been in regard to attachment of an actuator to the ventilator wherein connection of the actuator to the frame and to the ventilator could be easily accomplished during installation. In order to obtain ease of installation, it was necessary to permit objectionable looseness among the elements and thus wind and breeze could cause considerable vibratory or shaking movement of the ventilator in adjusted open position.

Hence, an object of this invention is to provide a ventilator assembly adapted for use with a projecting type of ventilator, which assembly is easily and readily attachable to a ventilator and which assembly firmly retains the ventilator in any adjusted position.

Another object of the invention is to provide a ventilator assembly having means for easy and rapid disconnection of a ventilator actuator from a ventilator for manual movement beyond the limits of the actuator. For example, for movement to an extreme open position so that both sides of the ventilator may be cleaned by a person located within the room.

Another object of the invention is to provide a combination slide shoe and hinge for a ventilator assembly.

Another object of this invention is the provision of a two-way hinge, the hinge having means for pivotal operation about two axes, each axis being normal to the other axis.

Another object of the invention is the provision of a combination clevis and hinge device.

Other objects and advantages reside in the construction of parts, the combination thereof and the mode of operation, as will become more apparent from the following description.

In the drawings:

Figure 1 is a perspective view showing a complete ven- States Patent tilator assembly including a ventilator actuator and means for attachment of the actuator to the ventilator.

Figure 2 is a fragmentary enlarged perspective view showing a combination slide bracket and clevis of this invention with means for attachment thereof to a ventilator operator arm.

Figure 3 is a fragmentary perspective view of the combination slide bracket and clevis device shown in Figure 2, illustrating the detachment of the bracket and. clevis from the operator arm.

Figure 4 is a sectional view taken substantially on line 4-4 of Figure 2. Figure 4 also includes a cross sectional view of a guide channel of this invention.

Figure 5 is a sectional view taken substantially on line 5-5 of Figure 4.

Figure 6 is a sectional view taken substantially on line 6-6 of Figure 4.

Figure 7 is a top elevational view of a preferred modification of a combination slide bracket and clevis assembly of this invention with the assembly attached to a ventilator operator arm.

Figure 8 is a sectional view taken substantially on line 8-45 of Figure 7. Figure 8 also shows a cross section ofa guide channel, in which the slide bracket is movable, iind shows attachment of the guide channel to a ventiator.

Figure 9' is a fragmentary perspective view showing still another modification of a slide bracket and clevis assembly of this invention, showing the end of an operator arm to which the assembly is adapted to be attached.

Figure 10 is a perspective View similar to that of Figure 9, showing attachment of the slide bracket and clevis assembly to the operator arm.

Figure 11 is an enlarged sectional view taken substantially on line 11-41 of Figure 10.

Referring to the drawings in detail, the ventilator assembly as shown in Figure 1 comprises a ventilator 20 attached to a ventilator frame 22 by means of a pivotally connected support bar 24. A support channel 26 attachednear the upper portion of the ventilator frame 22 aids in directing movement of the ventilator 20. The ventilator 20 is adapted to be adjusted by means of a pair of operator arms 28 which are attached to a ventilator operator 30 provided with an operator handle 32.

A guide channel 34 is firmly attached to the ventilator 20 by means of a plurality of screw or bolt members 36. At the end of each operator arm 28 is a combination bracket and clevis assembly 37 attached in the manner shown in Figures 2, 3, 4, 5 and 6. Each bracket and clevis assembly 37 comprises a slide shoe or connector bracket 38 which is provided with a pair of elongate substantially fiat portions 40 joined by a pair of aligned spaced apart arcuate portions 42, as best shown in Figures 2 and 3. The flat portions 40 of the slide shoe 33 are adapted to slidably move within bent-over lip portions 44 of the guide channel 34, as clearly shown in Figure 4.

Attached to the slide shoe 38 intermediate the'arcuate portions 42 and disposed adjacent the guide channel 34 is a curved bearing 59, as clearly shown in Figure 4. Also disposed intermediate the two arcuate portions 42 of the slide shoe 38 is a clevis or connector link 52 comprising an arcuate portion 53 joining a pair of flat leg or leaf portions 54 and 56. Herein the leg portion 54 is shown as the uppermost.

The arcuate portion 53 0f the clevis 52 is held in engagement with the curved bearing 50 by a pivot pin 69 which is substantially the length of the slide shoe 38. The pivot pin 60 engages the arcuate portion 53 of the clevis 52 and engages the arcuate portion 42 of the slide shoe 38. and thereby interlocks the clevis 52 and. the slide shoe 38. Thus, the. pivot pin 60 connects the slide shoe 38 to the clevis 52, and the bearing 50 positions the arcuate portion 53 within the slide shoe 38. A small portion of the extreme end of .the arcuate portions 42 of the slide shoe 38 is bent inwardly, as shown by reference numeral 64, for the purpose of retaining the pin 60 against longitudinal movement with respect to the slide shoe 38.

Extending inter-mediate the legs 54 and 56 of the clevis 52 and normal thereto is a pintle or rivet '66. Rotatably encompassing the pintle 66 is a key 68. The key 68 extends between the two legs 54 and 56 of the clevis 52 and is provided with a pair of opposed arcuate peripheral edges 70 and a pair of opposed flat parallel surfaces or side portions 72, as clearly shown in Figures and 6.

Rigidly attached to the key 68 adjacent the leg 54 of the clevis 52 is an elongate spring plate or lever 74. The spring plate 74 is rotatable with the key 68 and serves as a lever member for the key 68.

The end of each operator arm 28 is provided with a key slot 7 8. The key slot 78 is defined by a pair of flat side entrance portions 80 leading to an internal arcuate portion 82.

When it is desired to attach the slide shoe and clevis assembly to one of the operator arm members 28, the elongate spring plate 74 is rotatably positioned, as shown in Figure 3, with the longitudinal axis of the spring plate 74 substantially parallel with the longitudinal axis of the slide shoe 38. With the spring plate 74 thus positioned, the key 68 is rotatably positioned so that the flat side portions 72 of the key 68 are parallel to the flat side entrance portions 80 of the key slot 78. The distance between the side portions 72 of the key 68 is slightly less than the distance between the fiat side entrance portions 80 of the key slot 78. Thus, the key 68 may slide through the flat side entrance portions 80 of the key slot 78 to be positioned within the arcuate portion 82 of the key slot 78.

The radius of curvature of the arcuate portion 82 of the key slot 78 is slightly larger than the radius of curvature of the arcuate peripheral edges 70 of the key 68. Therefore, the key 68 may be rotated within the arcuate portion 82 of the key slot 78. Thus, after the key 68 is disposed within the arcuate portion 82 of the key slot 78, the elongate spring plate 74 is rotated toward the operator arm 28.

The spring plate 74 is provided with a pair of cars 84 extending normal to the surface of the plate 74. The spring plate 74 may be bent outwardly from the arms 28, as shown in Figure 4, to permit the ears 84 to move over the operator arm 28 during rotation of the spring plate 74, actuating rotation of the key 68 within the key slot 78.

Thus, the spring plate 74 may be positioned so that the cars 84 thereof engage the edges of the operator arm 28, as shown in Figure 2. When the elongate spring plate 74 is rotated from the position shown in Figure 3 to the position shown in Figures 2 and 4, which is a rotative movement of approximately 90 degrees, the key 68 is naturally also rotated through approximately 90 degrees so that the arcuate edges 70 of the key 68 slidably engage the arcuate portion 82 of the key slot 78, and the flat side portions 72 of the key 68 are disposed normal to the longitudinal axis of the arm 28, as clearly shown in Figures S and 6. The spring plate 74 is thus positioned in locking engagement with the operator arm 28, as shown in Figures 2 and 4, while the key 68 is locked within the key slot 78.

With the clevis 52 so attached to the operator arm 28, the slide shoe 38 slidably moves within the'channel 34 during adjustment of the ventilator by means of the operator arm 28. Rotative movement of the key 68 about'the pintle 66 permits pivotal movement of the arm 28 withrespect to the clevis 52. Furthermore, the connection of the clevis 52 to the slide shoe 38 by means of the pin 60 permits pivotal movement of the clevis 52 4 with respect to the slide shoe 38, as the arcuate portion 53 of the clevis 52 engages the bearing 50. Thus, the ventilator 20 is readily adjusted by means of the ventilator operator 30 and the arms 28. With these pivotal connections, the ventilator 20 is firmly retained in any adjusted position.

When it is desired to move the ventilator 20, shown in Figure 1, to a horizontal or substantially horizontal po sition for cleaning of the outer side of the ventilator 20, it is necessary to detach the ventilator 20 from the operator arm 28. This disconnection may be easily accomplished by lifting the end of each spring plate 74 from engagement with its respective operator arm 28, as shown in Figure 4, in order to provide clearance for movement of the cars 84 over the surface of the arms 28. The spring plate 74 is then rotated with respect to the. clevis 52, thus rotating the key 68 within the key slot 78 so that the side portions 72 of the key 68 become parallel with the entrance portions of the key slot 78. The key 68 may then be moved from the key slot 78 by passing through the entrance portions 80 of the key slot 78. Thus, each clevis 52 is disconnected from its respective arm 28. The slide shoes 38 remain within the guide channel 34.

Figure 3 shows the clevis 52 detached from connection with the arm 28. The ventilator 20 may then be pivotally moved to any desired position for cleaning of the outer surface thereof. After this cleaning operation is completed, the ventilator'20 is then returned to a position in which the clevises 52 are adjacent the ends of their respective arm members 28 so that attachment of the clevises 52 to the arm members 28 may again be readily accomplished, as described above.

In Figures 7 and 8 is shown a modification of the connection means of the ventilator assembly of this invention., In this modification is a slide shoe slidably positioned within a guide channel 91 similar to the guide channel 34. The slide shoe 90 is provided with a centrally located arcuate bearing 92. The guide channel 91 is secured to a ventilator 93 by means of bolts or screws 94. Pivotally attached to the slide shoe 90 by means of a pin 95 is a clevis 96. The clevis 96 has an arcuate portion 97 which is adapted to engage the arcuate bearing 92 of the slide shoe 90. Thus, pivotal movement of the clevis 96 is guided by the arcuate bearing 92 of the slide shoe 90. The clevis 96 is pivotally attached to an operator arm 98 by means of a screw 100 provided with a head 102.

Thus, the slide shoe 90 is slidable within the guide channel .91 and is pivotally movable with respect to the clevis 96; the clevis 96 is pivotally movable with respect to the operator arm 98. Thus, the ventilator 93 may be readily adjusted by. means of the operator arm 98.

When it is desired to detach the ventilator 93 from the operator arm 98, all that is necessary is to remove the screw 100, thus detaching the clevis 96 from the arm 98 so that the ventilator 93 may be pivotally moved to a more extreme position than that permitted by the actuator arm 98.

In Figures 9, 10 and 11 is shown another modification of the connection means of a ventilator assembly of this invention. In this modification a slide shoe 104 is pivotally attached to a clevis 105 by means of a pin 106. The slide shoe 104 is provided with a centrally located arcuate bearing 107, shown in Figure 11. The clevis 105 has an arcuate portion 108 joining a pair of parallel legs or leaves 109. The arcuate portion 108 is adapted to engage the bearing 107 of-the slide shoe 104 during pivotal movement of the clevis 105. Extending through the leaves 109 of the clevis 105 normal thereto is a hollow bushing 110. I r

The clevis 105 is adapted to be attached to an operator arm 112 which is provided with .a slot 114 in the end thereof, as clearly shown in- Figure 9. Pivotally attached to the operator arm 112 by means of a connector pivot pin 116 is a spring plate 118. The spring plate 1I8 has'a bent portion 119' joining an end portion 120. Within the end portion 120 is a locking pin 122 normal thereto. The spring plate 118 may be bent upwardly and outwardly from the arm 112, as shown in Figure 11, in order to place the locking pin 122 within the hollow bushing 110. Thus, the clevis 105 is attached to the operator arm 112, as clearly shown in Figures and 11.

It is understood from the above description that the ventilator assembly of this invention provides means by which a ventilator may be readily, easily and quickly attached to an operator arm. The invention also provides means by which the operator arm may firmly retain a ventilator in any adjusted position. A ventilator retained by the assembly of this invention may be easily adjusted by an operator arm. The ventilator may be quickly and easily disconnected from an operator arm by use of the assembly of this invention.

The assembly of this invention may be employed in any application in which it is desired to have a two-way hinge for attachment of two elements, one to the other.

Although the preferred embodiment of the device has been described, it will be understood that within the purview of this invention various changes may be made in the form, details, proportion and arrangement of parts, the combination thereof and mode of operation, which generally stated consist in a device capable of carrying out the objects set forth, as disclosed and defined in the appended claims.

Having thus described our invention, we claim:

1. In a ventilator assembly of the type provided with a ventilator frame, a ventilator hingedly supported by the ventilator frame, an actuator arm pivotally attached to the ventilator frame for movement of the ventilator, the combination including a guide channel member secured to the ventilator, a shoe slidably positioned within the guide channel member, a clevis pivotally attached to the shoe, the clevis having a pair of spaced-apart leaf members, a pin extending through said leaf members, a key rotatably attached to said pin intermediate the pair of leaf members, and a lever firmly attached to the key adjaceut one of said leaf members, said actuator arm being provided with a key slot at the end thereof adapted to receive said key, the lever being provided with a pair of locking ears adapted to engage said actuator arm for securing the position of the key within the key slot.

2. In combination, a guide channel member for attachment to a ventilator, a slide connector movable within said guide channel, the slide connector being provided with a pair of spaced-apart arcuate portions joined by a. pair of plate portions, a clevis, the clevis having a curved portion positioned between said arcuate portions of the slide connector, and a pin extending adjacent said arcuate portions of the slide connector and adjacent the curved portion of the clevis, the pin thus pivotally attaching the slide connector to the clevis.

3. An attachment assembly for connection of a ventilator actuator to a ventilator, the combination comprising an elongate guide channel member attachable to a ventilator, a slide shoe movable within the guide channel member, a connector link pivotally attached to the slide shoe, a pin attached to the connector link, an arcuate key rotatably attached to the pin, a spring plate firmly attached to the key and rotatable therewith, and an actuator arm, the actuator arm being provided with a key slot in the end thereof, the key slot having a straight portion and an arcuate portion, the straight portion acting as a passage leading to the arcuate portion, the key being movable within said key slot and rotatable within the arcuate portion thereof so that the arcuate portion of the key engages the arcuate portion of the slot, the spring plate being provided with a pair of normally extending ear portions engageable with opposite portion of the actuator arm for retaining the spring plate in longitudinal engagement with the arm, the spring plate thus retaining the key so that the arcuate portion thereof is.

in engagement with the arcuate portion of the slot.

4. In a ventilator assembly comprising a ventilator, a guide channel firmly attached to the ventilator, a pair of slide shoes movably carried by the guide channel, a pair of U-shaped link connectors, there being one link connector pivotally attached to each of said slide shoes, a pair of pin members, there being one pin member extending through each link connector, a pair of operator arms, each operator arm having a slot in the end thereof, the end of each arm being adapted to fit into one of the U-shaped link connectors with the pin of the U- shaped link connector being disposed in the slot in the end of the arm, and means carried by each link connector engageable with its respective operator arm for' detachably retaining the end of the operator arm in its respective link connector.

5. An assembly for attaching a ventilator operator to' a ventilator, the combination comprising an. elongate guide channel adapted to be rigidly attached to a ventilator, the guide channel being provided with a pair of lip portions extending one toward the other, a slide shoe movable within said guide channel, the slide shoe being provided with a pair of fiat portions joined by a pair of arcuate portions, the flat portions of the slide shoe engaging the lip portions of the guide channel, the arcuate portions of the slide. shoe being curved away from the guide channel, a clevis provided with an elongate arcuate portion disposed intermediate the arcuate portions of the slide shoe, a connector pin positioned Within said arcuate portions and attaching the slide shoe to the clevis, the clevis having a pair of spaced-apart leaf portions extending from the arcuate portion thereof, a pintle extending through said leaf portions, a key rotatably attached to the pintle and having arcuate portions concentric with the pintle, the key also having side portions parallel to said pintle, lever means attached to the key for rotation thereof, and an operator arm, the operator arm having a key slot in the end thereof, the key being slidably movable and rotatable within said key slot to secure the clevis to the operator arm.

6. In a two-Way hinge assembly for attachment to an arm, a link connector member comprising a pair of spaced-apart leaf portions, the leaf portions being positionable adjacent opposite surfaces of the arm, a pin extending through said link connector member and through said arm for attachment of the link connector member to the arm, a. bracket member provided with a pair of flat portions joined by a pair of spaced-apart arcuate portions, the link connector member having an arcuate portion disposed intermediate the arcuate portions of the bracket member, and an attachment pin engaging said arcuate portions and pivotally securing the link connector member to the bracket member.

7. A connector assembly for attachment of a ventilator actuator to a ventilator, the combination comprising a guide channel adapted for rigid attachment to a ventilator, a bracket member slidable within said channel, a clevis member pivotally interlocked with said bracket member, the clevis member being provided with a pair of spaced-apart leaf portions, an arm member, the leaf portions of the clevis member being adapted to straddle the arm member, the clevis member being provided with a threaded aperture, and a threaded pin extending through said clevis member and through said arm member and threadedly attached to said clevis member thus pivotally attaching said arm member to said clevis member.

8. In a connector assembly for connection between a ventilator actuator and a ventilator, the combination comprising a channel for attachment to a ventilator, a bracket slidably attachable to the channel and provided with a pair of spaced-apart aligned arcuate portions, a U-shaped link connector having an arcuate portion disposed intermediate the arcuate portions of the bracket, pin means adjacent said arcuate portions pivotally securing the bracket to the link connector, and means for pivotally and detachably securing the link connector to a ventilator actuator.

9. In a two-way hinge assembly for attachment to a support member provided with a key slot therein, a connector link, a key rotatably attached. to the connector link, actuator means attached to the key for rotation thereof, the key being movable into said key slot of the support member, and an attachment member pivotally connected to the connector link, the key being rotatable within said key slot by said actuator means for attaching the connector link to the support member.

10. In a two-way hinge assembly for attachment to a support member, a link connector member having a pair of spaced-apart leaf portions, the leaf portions being positionable adjacent opposite surfaces of the support member, a pin extending through said link connector member and through said support member for attachment of the link connector member to the support member, and a bracket member pivotally attached to the link connector member.

11. In a connector assembly for connection of a ventilator actuator to a ventilator, the combination comprising a connector bracket, means for slidably attaching the connector bracket to a ventilator, a link connector pivotally attached to the connector bracket, and means for pivotally and detachably securing the link connector to a ventilator actuator.

12. In a ventilator assembly comprising an actuator arm, a ventilator, a two-way hinge assembly for connecting the actuator arm to the ventilator, the ventilator having a guide channel, the two-Way hinge assembly including a slide member, the slide member being disposed Within the guide channel and extending therefrom, a clevis pivotally attached to the slide member, a key carried by the clevis, the actuator arm having a key slot in the end thereof for receiving the key, the key being rotatable within the key slot to lock the clevis to the actuator arm, means attached to the key for rotation thereof, said means being engageable with the actuator arm when the key is within the key slot, said means thus acting as retaining means for retaining the key in locked position within the key slot.

References Cited in the file of this patent UNITED STATES PATENTS France Sept. 11,

US2811349A 1955-02-04 1955-02-04 Ventilator assembly Expired - Lifetime US2811349A (en)

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US4259811A (en) * 1978-10-18 1981-04-07 Interlock Industries Limited Releasable retaining means for a closure element
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US4885876A (en) * 1986-09-11 1989-12-12 Warner Manufacturing Company Sander tool apparatus
US5103590A (en) * 1990-01-24 1992-04-14 Hanmar Motor Corporation Window operator for use with awning assembly
US5205074A (en) * 1990-11-28 1993-04-27 Andersen Corporation Counterbalanced window operators
US5339568A (en) * 1992-08-04 1994-08-23 Hanmar Motor Corporation Awning window assembly and operator therefor
US5450808A (en) * 1994-08-22 1995-09-19 Beagan; James L. Device to secure a vessel at a fixed distance from a dock
US5535551A (en) * 1995-02-10 1996-07-16 V. Kann Rasmussen Industri A/S Electrical window operator
US6694675B1 (en) * 2000-10-12 2004-02-24 Tri/Mark Corporation Holding assembly for movable closure element with releasably connected first and second linked elements
US6767038B1 (en) 2001-02-08 2004-07-27 G-U Hardware, Inc. Multi-point casement handle
US20110068597A1 (en) * 2007-02-14 2011-03-24 89908, Inc., Dba Amp Research Dual access vehicle storage assembly
US20120036781A1 (en) * 2010-08-16 2012-02-16 Runk David Window with Opening Control Mechanism
US20120144743A1 (en) * 2009-08-17 2012-06-14 David Donald Piney Automated Window Enclosure
US20120233927A1 (en) * 2009-12-04 2012-09-20 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Connecting assembly for connecting a driving device to a hinged member of a motor vehicle and driving device comprising the same
US20130082469A1 (en) * 2011-09-27 2013-04-04 Mighton Products Limited Window restrictor
US20130198997A1 (en) * 2012-02-07 2013-08-08 Amesbury Group, Inc. Casement window hinge
US20140291372A1 (en) * 2013-04-02 2014-10-02 Lund Motion Products, Inc. Dual access vehicle storage assembly
US20140325914A1 (en) * 2010-02-24 2014-11-06 Truth Hardware Corporation Casement and awning window opening limit device
US9668902B1 (en) 2014-04-15 2017-06-06 Ronald Louis Krenzel Selectively adjustable arm and shoulder support
US9827133B1 (en) * 2010-12-02 2017-11-28 Ronald Louis Krenzel Selectively adjustable arm and shoulder support

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US2899195A (en) * 1959-08-11 Operator for windows with swinging
US2961234A (en) * 1957-11-12 1960-11-22 Parlyn Inc Window operator with improved track
US3246668A (en) * 1960-12-13 1966-04-19 Hirsch Richard Programmed valve system
US3214157A (en) * 1963-02-21 1965-10-26 Truth Tool Company Closure operator
US3258874A (en) * 1964-04-27 1966-07-05 Truth Tool Company Window closure operator
US3452479A (en) * 1964-07-17 1969-07-01 Teleflex Prod Ltd Window-operating gear
US3659309A (en) * 1969-01-30 1972-05-02 Sev Marchal Means for attaching the arm of a windshield wiper to the blade support thereof
US4148852A (en) * 1974-03-25 1979-04-10 La Mesa Industries, Inc. Method and apparatus for progressive molding of buildings
US4137603A (en) * 1976-12-07 1979-02-06 Kva-Spil Ltd. Pivot assemblies of swing windows
US4259811A (en) * 1978-10-18 1981-04-07 Interlock Industries Limited Releasable retaining means for a closure element
US4441836A (en) * 1982-09-02 1984-04-10 Brunswick Corporation Cable connection
US4885876A (en) * 1986-09-11 1989-12-12 Warner Manufacturing Company Sander tool apparatus
US5103590A (en) * 1990-01-24 1992-04-14 Hanmar Motor Corporation Window operator for use with awning assembly
US5205074A (en) * 1990-11-28 1993-04-27 Andersen Corporation Counterbalanced window operators
US5339568A (en) * 1992-08-04 1994-08-23 Hanmar Motor Corporation Awning window assembly and operator therefor
US5450808A (en) * 1994-08-22 1995-09-19 Beagan; James L. Device to secure a vessel at a fixed distance from a dock
US5535551A (en) * 1995-02-10 1996-07-16 V. Kann Rasmussen Industri A/S Electrical window operator
WO1996024738A1 (en) * 1995-02-10 1996-08-15 V. Kann Rasmussen Industri A/S Electrical window operator
US6694675B1 (en) * 2000-10-12 2004-02-24 Tri/Mark Corporation Holding assembly for movable closure element with releasably connected first and second linked elements
US6767038B1 (en) 2001-02-08 2004-07-27 G-U Hardware, Inc. Multi-point casement handle
US20110068597A1 (en) * 2007-02-14 2011-03-24 89908, Inc., Dba Amp Research Dual access vehicle storage assembly
US20120144743A1 (en) * 2009-08-17 2012-06-14 David Donald Piney Automated Window Enclosure
US20120233927A1 (en) * 2009-12-04 2012-09-20 Brose Fahrzeugteile Gmbh & Co. Kg, Hallstadt Connecting assembly for connecting a driving device to a hinged member of a motor vehicle and driving device comprising the same
US20140325914A1 (en) * 2010-02-24 2014-11-06 Truth Hardware Corporation Casement and awning window opening limit device
US9428945B2 (en) * 2010-02-24 2016-08-30 Truth Hardware Corporation Casement and awning window opening limit device
US20120036781A1 (en) * 2010-08-16 2012-02-16 Runk David Window with Opening Control Mechanism
US8418404B2 (en) * 2010-08-16 2013-04-16 Andersen Corporation Window with opening control mechanism
US9827133B1 (en) * 2010-12-02 2017-11-28 Ronald Louis Krenzel Selectively adjustable arm and shoulder support
US8726572B2 (en) * 2011-09-27 2014-05-20 Mighton Products Limited Window restrictor
US20130082469A1 (en) * 2011-09-27 2013-04-04 Mighton Products Limited Window restrictor
US20130198997A1 (en) * 2012-02-07 2013-08-08 Amesbury Group, Inc. Casement window hinge
US20140291372A1 (en) * 2013-04-02 2014-10-02 Lund Motion Products, Inc. Dual access vehicle storage assembly
US9302628B2 (en) * 2013-04-02 2016-04-05 Lund Motion Products, Inc. Dual access vehicle storage assembly
US9668902B1 (en) 2014-04-15 2017-06-06 Ronald Louis Krenzel Selectively adjustable arm and shoulder support

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