Apparatus with masking means for continuously covering a slot th

Details Apparatus with masking means for continuously covering a slot th Apparatus with masking means for continuously covering a slot th

1978-03-06

1980-01-01

Eickholt, E. H.

Excavating

Snow or ice removing or grooming by portable device

Railway clearer

74613, E02F 928

Patent

active

041809254

ABSTRACT:
An apparatus, such as the bowl assembly of a tractor scraper, comprises a first member having a second member movably mounted therein for movement between first and second positions. An actuator, interconnected between the first and second members, is adapted to move the second member between its first and second positions. The actuator is connected to the second member via a slot formed through the first member. The slot is continuously masked during movement of the second member between its first and second positions.

REFERENCES:
patent: 823350 (1906-06-01), Morrill
patent: 3827182 (1974-08-01), van Helleputte
patent: 4109400 (1978-08-01), Richardson

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