Floor scrubbing machine having impact energy absorption

Details Floor scrubbing machine having impact energy absorption Floor scrubbing machine having impact energy absorption

1994-10-03

1996-01-16

Roberts, Jr., Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

15 521, 15325, 153402, A47L 11282, A47L 1129

Patent

active

054837189

ABSTRACT:
A floor scrubbing machine has a chassis mounted on front and rear wheels and a scrub head attached to the front of the chassis by a system of articulated links. Structure is provided for absorbing the kinetic energy of the moving machine in the event that the scrub head strikes a fixed object. On impact the geometry of the linkage system causes the front wheels to be lifted off the floor, thereby quickly lifting considerable weight. Also, a pair of heavy springs stretch, and parts of the chassis deform elastically. By this structure the kinetic energy is absorbed within the machine. No heavy protective shrouds are needed, and a simple flange along the front edge of the scrub head housing provides adequate stiffness.

REFERENCES:
patent: 3942218 (1976-03-01), Krier et al.
patent: 4490873 (1985-01-01), Stratton
patent: 4654918 (1987-04-01), Cooper
patent: 5016310 (1991-05-01), Geyer et al.

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