Plunger bar

Details Plunger bar Plunger bar

1998-10-16

2000-10-31

Noori, Max

Measuring and testing

Hardness

By penetrator or indentor

73 1209, G01N 342

Patent

active

061385018

ABSTRACT:
A plunger apparatus is presently disclosed that includes a housing, and a probe slidably supported by the housing. A damping assembly is supported by the housing and cooperating with the probe. The housing, preferably, has a proximal portion and a distal portion wherein the probe is slidably mounted within the housing and extending axially from the distal portion. The probe, desirably, has an increased diameter portion at a proximal end thereof and a penetrating tip adjacent a distal end thereof. A hammer mechanism is provided that is slidably supported by the housing and cooperatively engaging the probe and cooperating with the damping assembly. The housing may also include a handle assembly. A method for using the plunger apparatus is also disclosed.

REFERENCES:
patent: 4470293 (1984-09-01), Redmon
patent: 5134280 (1992-07-01), Johnston et al.
patent: 5347851 (1994-09-01), Grudzien, Jr. et al.
patent: 5416428 (1995-05-01), Swart

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