Variable length roller table

Details Variable length roller table Variable length roller table

1990-09-19

1991-08-20

Dayoan, D. Glenn

Conveyors, chutes, skids, guides, and ways

Rollerways

Submerging and rising

193 35TE, B65G 1312

Patent

active

050406558

ABSTRACT:
Roller table comprising a front supporting group and a rear supporting group defining respectively a front sliding surface and a rear sliding surface longitudinally aligned. A bearing bar, on which lifting levers are pivoted, is secured to the rear supporting group, the levers being mutually placed side-by-side and bearing in a rotatable manner ancillary rollers at their respective upper ends. Each lifting lever is provided in the lower part with a feeler pin engaged in a sliding manner along a guiding groove provided in a guiding bar integral with the front supporting group. The guiding groove is shaped in such a way that when the front and rear supporting groups are moved away the one from the other, the ancillary rollers are lifted one by one, one after the other, and led to the level of the front and rear sliding surfaces to support a product, during its working, in the portion between the spaced sliding surfaces.

REFERENCES:
patent: 2445960 (1948-07-01), Mapes
patent: 2613788 (1952-10-01), McLaughlin
patent: 2627959 (1953-02-01), Seward
patent: 2732922 (1956-01-01), McLaughlin
patent: 2760617 (1956-08-01), Bowen
patent: 2826290 (1958-03-01), Barski
patent: 2988190 (1961-09-01), Tucker
patent: 3225879 (1965-12-01), Falcon et al.
patent: 3276558 (1966-10-01), Guske et al.
patent: 4911279 (1990-03-01), Thunnissen

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