Automatic clamping device

• US 2,776,854 A
• Filed: 11/15/1954
• Issued: 01/08/1957
• Est. Priority Date: 11/15/1954
• Status: Expired due to Term

• Current Assignee: Victor J. Billstrom
• Original Assignee: Victor J. Billstrom
• Inventors: Billstrom, Victor J.
• Application Number:
  US03/468,618
• Time in Patent Office: 785 Days
• US Class Current: 292/256
• CPC Class Codes: B25B 5/061 with fluid drive B25B5/087, B25B5/122 take precedence
• CPC Class Codes: B25B 5/062 with clamping means pivoting around an axis parallel to the pressing direction
• CPC Class Codes: B29C 33/202 Clamping means operating on closed or nearly closed mould parts, the clamping means being independently movable of the opening or closing means clamping devices for injection moulding machines B29C45/64
• CPC Class Codes: Y10T 292/0945 Operating means
• CPC Class Codes: Y10T 292/20 Clamps

Claims