Conveyors: power-driven – Conveyor section – Live roll
Patent
1991-10-01
1992-04-07
Valenza, Joseph E.
Conveyors: power-driven
Conveyor section
Live roll
198369, 2441371, 414533, B65G 1312
Patent
active
051019620
ABSTRACT:
A low profile steerable power drive unit assembly (10) comprises a cylindrical frame member (22) having an annular ledge (42) extending inwardly therefrom. The ledge (42) includes a flat upper race (46), a frustoconical lower race (48) and gear teeth (82) disposed along the ring-like interface between the upper (46) and lower (48) races. A support bracket (24) is rotatably supported in the frame member (22) about a vertical axis (A) by a plurality of outwardly extending wheels (34, 36) freely rollable along the upper race (46) and the lower race (48). A motor (52) is supported in the support bracket (24) and, through a gear train, operatively engages the gear teeth (82) on the ledge (42) to rotate the support bracket (24) within the frame member (22). The support bracket (24) receives two modular power drive units in side-by-side orientation. The frame member (22) includes a subjacent mounting surface (30) which is attached directly to a floor structure (12) for supporting the assembly (10) entirely above the floor structure (12).
REFERENCES:
patent: 3910402 (1975-10-01), Dean
patent: 3978975 (1976-10-01), Herbest et al.
patent: 4050655 (1977-09-01), Bogue et al.
patent: 4589542 (1986-05-01), Steadman
patent: 4949837 (1990-08-01), Huber
patent: 4989809 (1991-02-01), Arnold
Teleflex Incorporated
Valenza Joseph E.
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