Sealing structure on a mechanism for advancing a rotating cylind

Details Sealing structure on a mechanism for advancing a rotating cylind Sealing structure on a mechanism for advancing a rotating cylind

1995-03-24

1996-04-16

Roberts, Jr., Edward L.

Brushing, scrubbing, and general cleaning

Implements

Pipe, tube, or conduit cleaner

74 25, B08B 902

Patent

active

055070620

ABSTRACT:
A mechanism for advancing a rotating cylindrical member, which mechanism includes a frame having an opening with a first axis to accept a cylindrical member extending therethrough in a first line, an advancing roller for engagement with a cylindrical member extending through the frame opening, first structure for mounting the advancing roller for movement relative to the frame with the first structure including a mounting block on the frame having a passage and a carrier for the advancing roller that is movable guidingly in the mounting block passage in a path in first and second opposite directions, and sealing structure cooperating between the carrier and the mounting block for blocking migration of foreign matter into the mounting block passage.

REFERENCES:
patent: 3394599 (1968-07-01), Tucker
patent: 4686732 (1987-08-01), Irwin
patent: 5239724 (1993-08-01), Salecker et al.

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