Turf perforating machine

Details Turf perforating machine Turf perforating machine

1976-07-13

1978-04-18

Shapiro, Paul E.

Earth working

Lawn aerator or perforator, or plug remover

A01B 4502

Patent

active

040846423

ABSTRACT:
A turf perforating machine for aerating lawns by removing plugs therefrom comprising a wheeled frame having a plurality of reciprocating tools, each connected by a linkage to an eccentric mounted on a journal and each linkage slidably mounted in a pivotable guide secured to the journal which prevents binding of the linkage as the frame is moved across the lawn and the tool is disposed in the ground, and including further a retractor unit for pivoting the guide, linkage and tools to a nonperforating position.

REFERENCES:
patent: 2056337 (1936-10-01), Archibald
patent: 2236562 (1941-04-01), Brandes
patent: 2255040 (1941-09-01), Helbig
patent: 2638831 (1953-05-01), Ferguson et al.
patent: 2800066 (1957-07-01), Cohrs et al.

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