Handling: hand and hoist-line implements – Hand bars and hand barrows – Ball retriever
Patent
1978-05-26
1979-11-06
Cherry, Johnny D.
Handling: hand and hoist-line implements
Hand bars and hand barrows
Ball retriever
294 33, 294 99R, 294131, B25J 100
Patent
active
041733657
ABSTRACT:
A clamping device for transporting a specimen plate, particularly for an ctron microscope specimen comprising, a support plate, a carrier plate disposed in juxtaposed relationship with the support plate having at least two resilient arm poritions and at least a portion of the carrier plate contacting with the support plate, and a claw connected to each resilient arm portion of the carrier plate for engaging the specimen plate therebetween. A rod having a threaded end threaded into one of the support plate and the carrier plate is rotatable in a first direction for moving the carrier plate with respect to the support plate to move each claw away from each other and rotatable in an opposite second direction to move each claw toward each other for engagement of the specimen plate therebetween.
REFERENCES:
patent: Re16646 (1927-05-01), Mitchell
patent: 176737 (1876-05-01), Campbell
patent: 509310 (1893-11-01), Heberling
patent: 2589642 (1952-03-01), Stueland
patent: 3534993 (1970-10-01), LeVesque
Balzers Aktiengesellschaft fur Hochvakuumtechnik und Dunne Schic
Cherry Johnny D.
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