Miscellaneous hardware (e.g. – bushing – carpet fastener – caster – Panel hangers – travelers and/or tracks – Track and bracket
Patent
1989-03-09
1990-03-06
Seidel, Richard K.
Miscellaneous hardware (e.g., bushing, carpet fastener, caster,
Panel hangers, travelers and/or tracks
Track and bracket
16 95R, 16 96R, F05D 1500
Patent
active
049053450
ABSTRACT:
A track system on which a sliding door may be hung includes a channel having a bottom wall and two substantially parallel side walls which extend upwardly from the bottom wall, at least two tube sections which lie coaxially on the bottom wall of the channel, and at least one spacer between adjacent tube sections. The tube sections each have a select outside diameter, and at least one hollow end with a select inside diameter. Each spacer includes a central cylindrical portion with an outside diameter equal to the select outside diameter of the tube sections, and two cylindrical insert portions which each have an outside diameter substantially equal to the inside diameter of the tube section hollow ends. Each cylindrical insert portion extends axially from one end of the central cylindrical portion into the hollow end of one of the tube sections to maintain the tube section in position on the channel bottom wall. The outside surfaces of the tube sections and central cylindrical portions together form a substantially smooth, continuous cylindrical surface over which a roller may rotate to allow its connected door to move back and forth. The track system is mounted with L-brackets which each include a horizontal leg which underlies the channel, and a vertical leg which is connected to the wall forming the doorway.
REFERENCES:
patent: 837819 (1906-12-01), Ferris
patent: 1156419 (1915-10-01), McPherson
patent: 1480641 (1924-01-01), Tetzlaff
patent: 2131784 (1938-10-01), Nock
patent: 2242329 (1941-05-01), Saulson
patent: 3473266 (1969-10-01), Miller
patent: 3855732 (1974-12-01), Sheaf
patent: 3925933 (1975-12-01), Reuter
patent: 4073034 (1978-02-01), Martens
patent: 4694531 (1987-09-01), Foy
Advertisement entitled Mark III shown in Frozen Food Age, Jan. 1988, distributed by Jamison Door Company, Hagerstown, Md.
Advertisement: brochure entitled "Lock-Joint" No's. 888-13 and 1098 Door Hangers distributed by Richards-Wilcox, Aurora, Ill.
Advertisement brochure entitled "Lock-Joint" Trucks (less aprons) distributed by Richards-Wilcox, Aurora, Ill.
Beckeman Raymond A.
Ebbott Henry M.
Gregerson Glen M.
Lunenschloss John T.
Air-Lec Industries, Inc.
Cuda Carmine
Seidel Richard K.
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