Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEINZ KARL CH
Original Assignee
HEINZ KARL CH
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Filing date
Publication date
Application filed by HEINZ KARL CHfiledCriticalHEINZ KARL CH
Publication of FR2240831A1publicationCriticalpatent/FR2240831A1/fr
Application grantedgrantedCritical
Publication of FR2240831B3publicationCriticalpatent/FR2240831B3/fr
B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
B43K—IMPLEMENTS FOR WRITING OR DRAWING
B43K24/00—Mechanisms for selecting, projecting, retracting or locking writing units
B43K24/10—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units
B43K24/16—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons
B43K24/166—Mechanisms for selecting, projecting, retracting or locking writing units for selecting, projecting and locking several writing units operated by push-buttons selection by gravity with a pendulum or the like