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| Nonwoven fiber abrasive disk |
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Bracket assembly
| Details |
Inventors: Dean, Robert O.;
Assignee: Spiral-Craft (Owosso, MI)
Primary Examiner: Bell; J. Karl
Assistant Examiner:
Attorney, Agent or Firm: Gifford, Chandler, Van Ophem, Sheridan & Sprinkle
In one preferred embodiment a two-part bracket assembly is provided for securing a downwardly sloping stringer to the upper of two building levels. Preferably, each part of the bracket is formed from a sheet of metal. One part of the bracket comprises a vertical flange which abuts against and is secured to the frame of the upper building level. A side panel of the bracket part lies in the vertical plane perpendicular to the plane of the flange and abuts against the side of the stringer. A flat support flange extends perpendicularly away from the lower edge of the side panel and extends underneath and abuts against the lower surface of the stringer. The plane of the support flange is angled downwardly relative to the vertical flange so that with the lower surface of the stringer abutting against the support flange, the stringer slopes downwardly from the upper building level. The second part of the bracket assembly is substantially a mirror image of the first part and is disposed on the opposite side of the stringer. Fasteners secure the vertical flange of the bracket assembly to the frame of the upper building level while like fasteners secure the side panel and support flange to the stringer. In a second preferred embodiment only the first part of the bracket is used to secure the stringer to the vertical face of a support member. |
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DETAILED DESCRIPTION OF THE PRESENT INVENTION With reference first to FIG.
1, a stairway 10 is thereshown disposed between an upper building level 12 and a lower building level 14 so that the stairway 10 slopes downwardly from the upper to the lower level.
The upper and lower levels 12 and 14 may comprise any conventional building construction, but, as shown, the upper level 12 is an outdoor deck having a floor 16 and a frame 18 supporting the floor 16 while the lower level 14 is a ground surface.
Still referring to FIG.
1 the stairway 10 further comprises a pair of spaced and parallel stringers 20 which slope downwardly from the frame 18 of the upper level 12 to the ground supporting surface 14.
Each of the stringers 20 lies substantially in a vertical plane and a plurality of steps 22 are disposed between and are supported by the stringers 20.
The upper end of each stringer is secured by the bracket assembly 26 of the present invention to the upper level frame 18.
Referring now to FIGS.
2 - 4, the bracket assembly 26 of the present invention is thereshown and comprises a first part 28 and a second part 30, each of which is preferably integrally formed of metal.
The first and second parts 28 and 30 of the bracket assembly 26 are substantially mirror images of each other and, for the sake of brevity, only the first part 28 will be described in detail.
The first part 28 of the bracket assembly 26 includes a vertical support flange 32 (FIGS.
2, 3, 4) which lies substantially in a vertical plane and abuts against the side of a frame member 19 (FIG.
1) of the upper level frame 18.
Apertures 34 through the support flange 32 receive fasteners 36 (FIG.
1), such as nails, therethrough, to secure the vertical support flange 32 flatly against and to the upper level frame 18.
The first part 28 of the bracket assembly 26 includes a side panel 38 which also lies in a vertical plane but extends substantially perpendicularly outwardly from the plane of the support flange 32.
The side panel 38 abuts against one side of the stringer 20 and apertures 40 receive fasteners 42 therethrough, such as nails, to rigidly secure the side panel 38 flatly against and to the stringer 20
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