Junction box for ceiling fan support

Claim 2

A ceiling box for providing support for an installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; at least a pair of load supportable shoulder rivets, said rivets being arcuately spaced internally threaded and depending within said cavity from an upper end in a substantially flush relation above said top wall to toward said bottom plane; and load bolts extending upward for threadedly engaging each of said rivets for a mutual length at least correlated to the magnitude of load to be suspended and adapted collectively with said rivets for supporting a suspended load installed at the underside of said box.

Claim 3

A ceiling box in accordance with claim 1 in which said shoulder rivets include a shoulder positioned externally above said top wall and an internally threaded post joined integrally to said shoulder and depending within said cavity.

Claim 4

A ceiling box in accordance with claim 1 in which said top wall and said side wall are integrally joined.

Claim 5

A ceiling box in accordance with claim 3 in which said box comprises an electrical junction box.

Claim 6

A ceiling box in accordance with claim 4 in which said shoulder rivet has a post and the length of said post is proportioned to the height of said box.

Claim 7

A ceiling box in accordance with claim 4 in which the height of the box is about 1/2 inches for an electrical box of pancake size.

Claim 8

A ceiling box in accordance with claim 4 in which the height of said box is about 11/2 inches for an electrical junction box of standard size.

Claim 9

A ceiling box in accordance with claim 1 including tabs extending laterally outward from said side wall at an underedge of said box for securing said box to an underlying decking form during the pouring of aggregate thereabout.

Claim 10

A ceiling box for providing support for an installed load suspended from the underside of the box, comprising: a annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom end of said side wall; a top wall overlying the top end of said side wall; angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall; apertures defined coaxially paired in said tabs and said top wall; an internally threaded shoulder rivet depending from above said top wall through each pair of said paired apertures; and a load bolt extending upward through each of said tabs for threadedly engaging a rivet thereat and adapted collectively for supporting a suspended load installed at the underside of said box.

Claim 11

A ceiling box for providing support for an installed load suspended from the underside of the box, comprising: a annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom end of said side wall; a top wall overlying the top end of said side wall; angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall; apertures defined coaxially paired in said tabs and said top wall; an internally threaded shoulder rivet depending from above said top wall through each pair of said paired apertures; and a load bolt extending upward through each of said tabs for threadedly engaging a rivet thereat and adapted collectively for supporting a suspended load installed at the underside of said box.

Claim 12

A ceiling box in accordance with claim 9 in which said shoulder rivets include a shoulder positioned externally above said top wall and an internally threaded post joined integrally to said shoulder and positioned in each pair of said paired apertures.

Claim 13

A ceiling box in accordance with claim 9 in which said top wall and said side wall are integrally joined.

Claim 14

A ceiling box in accordance with claim 11 in which said box comprises an electrical junction box.

Claim 15

A ceiling box in accordance with claim 12 in which said shoulder rivet has a post and the length of said post is proportioned to the height of said box.

Claim 16

A ceiling box in accordance with claim 12 in which the height of the box is about 1/2 inches for an electrical box of pancake size.

Claim 17

A ceiling box in accordance with claim 12 in which the height of said box is about 11/2 inches for an electrical junction box of standard size.

Claim 18

A ceiling box in accordance with claim 9 including second tabs extending laterally outward from said side wall for securing said box to an underlying decking form during the pouring of aggregate thereabout.

Claim 19

A ceiling box for providing support for an installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; at least a pair of load supportable shoulder rivets, said rivets being arcuately spaced internally threaded and depending within said cavity from above said top wall to toward said bottom plane; load bolts extending upward for threadedly engaging each of said rivets and adapted collectively with said rivets to define a first load support having a first fastener connection for supporting a relatively heavy suspended load installed at the underside of said box; and a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and arcuately displaced from the location of said rivets to define a second load support having a second fastener connection for alternatively supporting a relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners for the contemplated loading of said respective load supports.

Claim 20

A ceiling box for providing support for an installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; at least a pair of load supportable shoulder rivets, said rivets being arcuately spaced internally threaded and depending within said cavity from above said top wall to toward said bottom plane; load bolts extending upward for threadedly engaging each of said rivets and adapted collectively with said rivets to define a first load support having a first fastener connection for supporting a relatively heavy suspended load installed at the underside of said box; and a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and arcuately displaced from the location of said rivets to define a second load support having a second fastener connection for alternatively supporting a relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners for the contemplated loading of said respective load supports.

Claim 21

A ceiling box in accordance with claim 17 in which a relatively light load is installable at said second support utilizing 8-32 screw fasteners threaded into said tabs.

Claim 22

A dual purpose ceiling box providing alternative support for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support secured from within said box and having a first fastener connection for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support including a second fastener connection comprising a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and arcuately displaced from the location of said first load support for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 23

A dual purpose ceiling box providing alternative support for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support secured from within said box and having a first fastener connection for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support including a second fastener connection comprising a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and arcuately displaced from the location of said first load support for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 24

A ceiling box in accordance with claim 19 in which a relatively light load is installable at said second support utilizing 8-32 screw fasteners threaded into said tabs.

Claim 25

A dual purpose ceiling box assembly providing alternative support for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support secured adjacent said side wall and having a first fastener connection for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support including a second fastener connection and comprising a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and displaced from the location of said first load support for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 26

A dual purpose ceiling box assembly providing alternative support for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support secured adjacent said side wall and having a first fastener connection for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support including a second fastener connection and comprising a pair of internally threaded angularly displaced tabs extending from said side wall laterally inward of said cavity near the bottom end of said side wall and displaced from the location of said first load support for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 27

A dual purpose ceiling box assembly providing alternative support connections for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support connection within said box secured adjacent said side wall for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support connection within said box secured adjacent said side wall and displaced from the location of said first load support connection for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 28

A dual purpose ceiling box assembly providing alternative support connections for either a relatively heavy or a relatively light installed load suspended from the underside of the box, comprising: an annularly configured side wall defining an internally open cavity of height extending between a top end of said side wall and a bottom plane at a bottom end of said side wall; a top wall overlying the top end of said side wall; a first load support connection within said box secured adjacent said side wall for supporting the relatively heavy suspended load installed at the underside of said box; and a second load support connection within said box secured adjacent said side wall and displaced from the location of said first load support connection for alternatively supporting the relatively light suspended load installed at the underside of said box, with said first and second connections being differently sized to receive correspondingly different sized fasteners of different load bearing capacities for the contemplated loading of said respective load supports.

Claim 29

A ceiling box in accordance with claim 22 in which said first load support connection includes an elongated fastener extending dependently downward from a downward engagement against the top wall of said box.