Title: Spring-biased, instantly unloaded knives for penetrating and tenderizing meat, and hydraulically controlled stripping means

Abstract: For tenderizing meat, an apparatus is described which drives a multiplicity of tenderizing knives into the meat. The knives are carried by a reciprocable ram head with a predetermined stroke. A stripper plate associated with the ram head follows the latter during its downward stroke, and presses against the meat to strip it from the knives buried in it when the knives are withdrawn. A hydraulic circuit controls the required reciprocation of the stripper plate. The knives are mounted in pairs on a shaft which is spring-biased in such a way that an impact of the knives against an obstacle instantly removes the bias exerted by the spring. Meat to be tenderized may be placed intermittently under the stripper plate either manually or utilizing a conveyor belt.

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Inventors: McCullough, Timothy J. (Vermilion, OH, US)

Application Number: 854375
Filing Date: 1977-11-23
Publication_date: 1979-10-02
Assignee:
Primary Class(es): 452/141
Other Classes:
US Patent Ref:

2838266	Jun, 1958	Rees	279/22.
3535734	Oct, 1970	Ross	17/25.
3744089	Jul, 1973	Fetzer et al.	17/25.
3991439	Nov, 1976	Wagner	17/25.

Other Refs:
Primary Examiner: Abercrombie, Willie G.
Assistant Examiner:
Attorney: