Spring actuated clamp

Spring actuated clamp

A clamp for a posting board having a clamp arm and hinge which provides the desired clamping force to retain papers on the board, as desired, and also providing a continuous opening force when rotated beyond a fulcrum position defined by a pivoting extension tab of the hinge and a cantilevered leaf...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: PENNIMAN, RICHARD E
Format: Patent
Sprache:eng
Schlagworte:
ADDRESSING MACHINES OR LIKE SERIES-PRINTING MACHINES
APPARATUS OR DEVICES FOR MANIFOLDING, DUPLICATING, OR PRINTINGFOR OFFICE OR OTHER COMMERCIAL PURPOSES
BOOKBINDING
FILE CARDS
FILES
FILING APPLIANCES
INDEXING
LINING MACHINES
PERFORMING OPERATIONS
PRINTING
SHEETS TEMPORARILY ATTACHED TOGETHER
SPECIAL PRINTED MATTER
STAMPS
TRANSPORTING
TYPEWRITERS
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Beschreibung
Zusammenfassung:A clamp for a posting board having a clamp arm and hinge which provides the desired clamping force to retain papers on the board, as desired, and also providing a continuous opening force when rotated beyond a fulcrum position defined by a pivoting extension tab of the hinge and a cantilevered leaf spring.