Revolving door hanger assembly

Claim 2

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on the center shaft, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, each door wing including a marginal frame, the vertical portion of the marginal frame adjacent the center shaft including vertical bar means, a radial knuckle provided on each ring, the vertical bar means of each door wing extending through the knuckles in a respective pair of rings to pivotally connect the door wing thereto, and second detent means connected between said ring means and the vertical bar means of the door wings for holding the door wings in operative, radiating position with respect to said center shaft, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 3

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on the center shaft, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, each door wing including a marginal frame, the vertical portion of the marginal frame adjacent the center shaft including vertical bar means, a radial knuckle provided on each ring, the vertical bar means of each door wing extending through the knuckles in a respective pair of rings to pivotally connect the door wing thereto, and second detent means connected between said ring means and the vertical bar means of the door wings for holding the door wings in operative, radiating position with respect to said center shaft, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 4

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on the center shaft, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, each door wing including a marginal frame, the vertical portion of the marginal frame adjacent the center shaft including vertical bar means, a radial knuckle provided on each ring, the vertical bar means of each door wing extending through the knuckles in a respective pair of rings to pivotally connect the door wing thereto, and second detent means connected between said ring means and the vertical bar means of the door wings for holding the door wings in operative, radiating position with respect to said center shaft, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 5

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on said center shaft, said rings mounted on the shaft in stacked concentric relationship, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, and second detent means connected between said ring means and the door wings for holding the door wings in operative, radiating position with respect to said center shaft, a radial knuckle is provided on each ring, the door wings being pivotally connected to said knuckles, the knuckles of each pair of rings being spaced 90* circumfernetially from the knuckles of the adjacent rings in said stack to thereby properly space the door wings circumferentially around the center shaft, each door wing including a marginal frame, the vertical portion of the marginal frame adjacent the center shaft comprising a plurality of bar frames connected end-to-end, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 6

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on said center shaft, said rings mounted on the shaft in stacked concentric relationship, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, and second detent means connected between said ring means and the door wings for holding the door wings in operative, radiating position with respect to said center shaft, a radial knuckle is provided on each ring, the door wings being pivotally connected to said knuckles, the knuckles of each pair of rings being spaced 90* circumfernetially from the knuckles of the adjacent rings in said stack to thereby properly space the door wings circumferentially around the center shaft, each door wing including a marginal frame, the vertical portion of the marginal frame adjacent the center shaft comprising a plurality of bar frames connected end-to-end, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 7

A hanger assembly according to claim 2, wherein the vertical portion of the marginal frame of each door wing extends through the knuckles in a respective pair of rings.

Claim 8

A hanger assembly according to claim 3, wherein said second detent means comprises a roller mounted in the knuckle of each ring and engaging a recess provided in the surface of the vertical portion of the marginal frame, a compression spring engaging said roller for biasing said roller against said frame, and a plug threadably mounted in said ring and engaging one end of said spring for varying the biasing force thereof.

Claim 9

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on said center shaft, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, said first detent means comprises a roller mounted in each ring and engaging a recess provided in the surface of the center shaft, a compression spring engaging said roller for biasing said roller against said shaft, and a plug threadably mounted in said ring and engaging one end of said spring for varying the biasing force thereof, and second detent means connected between said ring means and the door wings for holding the door wings in operative, radiating position with respect to said center shaft, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 10

A hanger assembly for supporting the wings of a revolving door on the door center shaft comprising, ring means mounted on said center shaft in coaxial relationship therewith comprising a respective pair of rings for supporting each door wing on said center shaft, the rings of each pair being spaced vertically from each other on said center shaft, first detent means connected between said ring means and said center shaft whereby under normal operating conditions said ring means rotates with said center shaft, said first detent means comprises a roller mounted in each ring and engaging a recess provided in the surface of the center shaft, a compression spring engaging said roller for biasing said roller against said shaft, and a plug threadably mounted in said ring and engaging one end of said spring for varying the biasing force thereof, and second detent means connected between said ring means and the door wings for holding the door wings in operative, radiating position with respect to said center shaft, said first and second detent means being releasable when a predetermined torque is applied to the door wings allowing the ring means to rotate relative to the center shaft and the door wings to pivot relative to the ring means, whereby the door wings are collapsed into compact parallelism.

Claim 11

A hanger assembly according to claim 5, wherein the rings are mounted on the shaft in stacked concentric relationship and a radial knuckle is provided on each ring, the door wings being pivotally connected to said knuckles, the knuckles of each pair of rings being spaced 90* circumferentially from the knuckles of the adjacent rings in said stack to thereby properly space the door wings circumferentially around the center shaft.

Claim 12

A hanger assembly according to claim 1, wherein said second detent means includes a roller mounted in the knuckle of each ring and engaging a recess provided in the surface of the vertical bar means of the marginal frame.