Sweeper bristle element

Details Sweeper bristle element Sweeper bristle element

1978-05-25

1980-01-22

Feldman, Peter

Brushing, scrubbing, and general cleaning

Implements

Brush or broom

15159A, 15186, 300 21, 51332, A46B 710, A46B 1302

Patent

active

041842235

ABSTRACT:
A sweeper bristle element adapted for use on a railway roadbed or track cleaner employing a rotating drum with element support means. The sweeper bristle element is comprised of a solid elastomeric stem preferably made of 80 durometer rubber. The stem extends substantially the length of the element and has upper and lower portions. A solid weighting mass forming a forward wearing surface and preferably made from 60 durometer rubber is attached to the lower portion of the stem. The upper portion of the stem engages the element support means and rotation of the drum imparts a centrifugal force on the stem and the knob causing loose material which contacts the element to be driven away from the element. The stem and knob may be reinforced by fabric or spring steel. In a preferred embodiment, the knob and stem form a laminated, integral structure.

REFERENCES:
patent: 2767526 (1956-10-01), Moran
patent: 3015121 (1962-01-01), Ulrich
patent: 3134122 (1964-05-01), Charvat
patent: 3256545 (1966-06-01), Lewis, Jr. et al.
patent: 3353200 (1967-11-01), Charvat
patent: 3384915 (1968-05-01), Rands
patent: 3402416 (1968-09-01), Shaw et al.
patent: 3871139 (1975-03-01), Rands

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