Adjustable threshold assembly

Details Adjustable threshold assembly Adjustable threshold assembly

1981-12-07

1983-06-14

Kannan, Philip C.

Movable or removable closures

Threshold

Adjustable

49469, E06B 170

Patent

active

043875351

ABSTRACT:
An adjustable threshold assembly of simple construction and inexpensive to manufacture includes a bar member vertically adjustable in a channelway of a base member. A plurality of threshold height adjusting screws extend vertically downward through openings in a transverse bridge wall of the bar member and between and in self-tapped screw thread-like engagement with a pair of longitudinally extending opposed vertical walls of the bridge wall. The facing vertical sides of the opposed walls are advantageously formed with longitudinally extending extruded serrations of a cross-sectional shape approximately matching the cross-sectional shape of the screw threads of the adjusting screws to facilitate self-tapping of the adjusting screws into the opposed walls of the bar member.

REFERENCES:
patent: 2947043 (1960-08-01), Klemma
patent: 3374479 (1969-03-01), Neff
patent: 3762100 (1973-10-01), Kempel
patent: 3962828 (1976-06-01), McAllister
patent: 4074464 (1978-02-01), McCay
patent: 4104830 (1978-08-01), Eagle
patent: 4156325 (1979-05-01), McMullen et al.
patent: 4213275 (1980-07-01), Oehmig
patent: 4352258 (1982-10-01), Bursk et al.

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