Gauge structure for a cylinder operated depth control

Details Gauge structure for a cylinder operated depth control Gauge structure for a cylinder operated depth control

1998-05-12

1999-11-23

Batson, Victor

Earth working

With ground support vertically adjustable relative to frame

Flexible or lost motion connection to actuator

172413, 172423, 172417, A01B 6316

Patent

active

059882930

ABSTRACT:
A stroke limiting structure for use with a lift control system on an implement includes a reciprocating link operably connected to a hydraulic cylinder and to a lift wheel assembly on an implement frame section. The link is connected by a lost motion connection to depth gauging structure including gauge plates pivotally supported on a carrier. The plates are rotatable between disengaged and engaging positions without need for tools and are maintained together on the carrier to eliminate loose parts that could be misplaced or lost. The plates in the engaging position determine the lowermost position of the implement and provide a positive mechanical stop for the implement to eliminate depth control problems caused by cylinder leakage or the like. The lost motion connection eliminates unwanted movement of the plate carrier and facilitates gauge plate pivoting for depth adjustments.

REFERENCES:
patent: 2939539 (1960-06-01), Kramer
patent: 2994544 (1961-08-01), Wolf
patent: 3177976 (1965-04-01), Wenzel
patent: 3260315 (1966-07-01), Day
patent: 3700043 (1972-10-01), Sullivan
patent: 3809165 (1974-05-01), Miller
patent: 4073345 (1978-02-01), Miller
patent: 4276814 (1981-07-01), Bass et al.
patent: 4469014 (1984-09-01), Nelson
patent: 4475601 (1984-10-01), Harden et al.
patent: 5167286 (1992-12-01), Bossler
patent: 5366024 (1994-11-01), Payne
patent: 5427184 (1995-06-01), Peck
Case-IH Brochure, pp. 10-11, date and location of publication-unknown.

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