Apparatus for pitting prunes or dates
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United States of America Patent
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Nov 26, 1996
Grant Date -
N/A
app pub date -
Mar 22, 1996
filing date -
Mar 22, 1996
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An apparatus for pitting articles such as prunes or dates. Each article is loaded between jaws of a chuck assembly which translates between stations along a process path. At a pitting turret, a pitting rubber moves below the chuck assembly, and the chuck assembly and rubber translate together until a pitting knife engages the article and ejects a pit therefrom. The chuck assembly then translates the pitted article to a station where the pitted article is discharged. Preferably, a relatively large number of chuck assemblies are provided, each having a fixed jaw fixedly attached to a chain and a sliding jaw slidably mounted to the fixed portion. A relatively small number of pitting rubbers and one pitting knife for each rubber are mounted to the pitting turret. Preferably, the apparatus includes a cam track (for guiding each sliding jaw) having a portion whose radius varies sinusoidally with position around a feed unit, a portion around the pitting turret for opening and then closing each chuck assembly, and an adjustable portion which can be adjusted to vary the initial maximum spacing between the fixed and sliding jaw of each chuck assembly.
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