End cap locking overhead mounted door holder assembly

• US 5,450,651 A
• Filed: 10/15/1993
• Issued: 09/19/1995
• Est. Priority Date: 10/15/1993
• Status: Expired due to Term

• Current Assignee: Von Duprin LLC (Allegion PLC)
• Original Assignee: Von Duprin Inc. (Allegion PLC)
• Inventors: Coleman, Michael D., Haeck, Paul J., Tilly, Herman M.
• Primary Examiner(s): Larson, Lowell A.
• Assistant Examiner(s): Gurley, Donald M.
• Application Number:
  US08/138,168
• Time in Patent Office: 704 Days
• Field of Search: 16/65, 16/82, 16/370, 16/49, 292/271, 292/274, 292/275, 292/278, 49/339, 49/340, 49/346
• US Class Current: 16/82
• CPC Class Codes: E05C 17/24 pivoted at one end, and with the other end running along a guide member
• CPC Class Codes: Y10T 292/296 Swinging catch

Abstract

An overhead mounted door holder assembly for attachment between a door jamb and a door, to hold the door in an open position, includes a jamb bracket attached to the door jamb and a jamb arm pivotally attached to the jamb bracket. A channel assembly having a longitudinally extending channel is attached to the door, and first and second end caps are attachable to opposing ends of the channel assembly, with each end cap being held by a retaining key in locked connection with the channel assembly. The first and second end caps are configured to allow alternate positioning of the channel assembly inset in a top of the door or attached to a side of the door. A hold open stop is fixably held in the channel of the channel assembly. The hold open stop is configured to have a stop element for engaging a slide assembly pivotally attached to the jamb arm and positioned for longitudinal movement in the channel. The slide assembly is configured to engage the stop element of the hold open stop and hold the door in an open position. The force required to engage the hold open stop and the slide assembly is determined by the position of an adjustment wedge.

Claims

1. An adjustable overhead door holder assembly for attachment between a door jamb and a door for selectively holding the door in an open position, the assembly comprising

a jamb bracket attached to the door jamb,

a jamb arm pivotally attached to the jamb bracket,

a channel assembly having a channel therein and attached to the door,

first and second end caps attached to opposing ends of the channel assembly, a retaining key holding each end cap in locked connection with the channel assembly,

a slide assembly positioned in the channel and adapted for movement in the channel, the slide assembly being pivotally attached to the jamb arm, and

a hold open stop positioned to engage the slide assembly for temporarily preventing movement of the slide assembly to hold the door in an open position, the hold open stop further comprising a stop element with a first ramp and a second ramp, the slide assembly comprising a slide frame, a rocker having a catch at one end and a wedge shaped rocker face at another end, the rocker being pivotably connected between its ends to the slide frame, the catch being configured to slide over the first ramp for reversible engagement with the second ramp of the stop element to hold the door in an open position, the slide assembly further comprising an adjustment wedge having a wedge face complimentary to the wedge shaped rocker face, the adjustment wedge being positioned to contact and slide on the rocker face under the influence of a spring biasing the wedge face into contact with the wedge shaped rocker face to control the force exerted by the rocker on the stop element of the hold open stop.

2. The adjustable overhead door holder assembly of claim 1, wherein the retaining keys further comprise a substantially flat plate configured to fit into notches defined in the channel assembly.

3. The adjustable overhead door assembly of claim 1, wherein the adjustment wedge further defines a wedge slot therethrough, a position pin passing through the slot and attached to the slide frame for providing a predefined limited range of movement of the adjustment wedge with respect to the slide frame and the rocker.

4. The adjustable overhead door assembly of claim 3, wherein the spring comprises a compression spring biasably connected between the adjustment wedge and the slide frame to resist movement of the adjustment wedge as the catch of the rocker moves along the first ramp.

5. The adjustable overhead door assembly of claim 4, further comprising an adjustment screw configured to hold the compression spring and attached to the slide frame to allow adjustment of bias of the compression spring.

6. The adjustable overhead door assembly of claim 1 wherein the first end cap further comprises a centering post, a stop spring retained on the centering post and being positioned to resist compression and absorb door opening force as the slide frame contacts the stop spring.

7. An adjustable overhead door holder assembly for attachment between a door jamb and a door having an upper door edge, the assembly comprising

a jamb arm and means for pivotally attaching the jamb arm to a door jam,

a channel assembly and mounting means for mounting the channel assembly to the door, the channel assembly extending parallel to the upper door edge, and the channel assembly having a channel defined therein,

a door holding means positioned in the channel, the door holding means having a stop element with a first and a second ramp, and

sliding means pivotally attached to the jamb arm and positioned for sliding longitudinal movement within the channel, the sliding means having a slide frame, a rocker and a pivot mount pivotally mounting the rocker to the slide frame, the rocker terminating in a catch on a first side of the pivot mount and terminating in a rocker face on an opposite side of the pivot mount, with the catch configured to slide over the first ramp for reversible engagement with the second ramp of the stop element to hold the door in an open position,

the door holding means further comprising an adjustment wedge having a wedge face complimentary to the rocker face, the adjustment wedge being positioned to contact and slide on the rocker face under the influence of a spring biasing the wedge face into contact with the rocker face to control the force exerted by the rocker on the stop element of the hold open stop.

8. The adjustable overhead door assembly of claim 7, wherein the mounting means further comprises first and second end caps attached to opposing ends of the channel assembly, each end cap being held by a retaining key in locked connection with the channel assembly.

9. The door assembly of claim 8, wherein the first and second end caps further comprise a notch for attachment to the hold open stop.

10. The door holder assembly of claim 8, wherein the retaining keys further comprise a substantially flat plate configured to fit into notches defined in the channel assembly.

11. The door holder assembly of claim 8, wherein the first and second end caps can be rotated 90 degrees to alternately hold the channel assembly in a position along the side of the door or in a position inset in the door.

12. An adjustable overhead mounted door holder assembly, for attachment between a door jamb and a door, for selectively holding the door in an open position, including:

a jamb bracket for attachment to the door jamb;

a jamb arm pivotally having a first end attached to the jamb bracket and a second end;

a channel assembly including a channel member, first and second end caps attached to opposite ends of the channel member, the end caps providing means for securing the channel assembly to the door;

a hold open stop positioned within the channel member and coupled to one of the end caps, the stop including first and second ramps; and

a slide assembly positioned for linear movement in the channel member, the slide assembly comprising;

a slide frame pivotally attached to the jamb arm second end, a rocker, a pivot defining element pivotally attaching the rocker to the frame, the rocker including;

a first end having a catch for engaging the hold open stop first and second ramps and a second end, and an adjustable biasing means for adjustably applying a force to oppose movement of the catch up the ramps including a contact element having a contact surface in sliding contact with the rocker second end, at least one of said contact surface and rocker second end consisting essentially of an inclined plane along which said sliding contact occurs in response to displacement of the rocker first end by said ramps.

13. The door holder assembly of claim 12 wherein the adjustable biasing means further comprises a spring having a first end connected to the contact element and a second end, a screw engaging the slide frame and the spring second end for adjusting the amount of force applied to the contact element by the spring.

14. The door holder assembly of claim 13 wherein the adjustable biasing means further comprises means for limiting the movement of the contact element with respect to the slide frame including a slot in the contact element and a pin passing through the slot and fixed to the frame.