| 摘要 |
<p>1,063,035. Cutting magnetic tapes; editing. PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd. April 29, 1964 [May 2, 1963], No. 17758/64. Heading G5R. Movement of an operating lever 17 in the direction A, Fig. 1, elevates a tape-knife assembly 4 to a 45 degrees position relative to the length of the tape 2, advances supports 34, 35 to raise the tape clear of the record/playback head 1, holds the tape against the side face 8, Fig. 2, of the assembly 4, winds up a spring 15 and then releases a blade 5, slidable in a slot 9 in the assembly 4 to cut the tape 2. The linkage 20-23-swings a pin 24, Fig. 3, to the left and the pin, acting in the slot 26 elevates the knife assembly from its rest position (solid lines) to its working position (dotted lines and Figs. 1, 2) and moves a member 16, attached to the spring 15 down a guide tube 7 away from the knife-holder 6, latched by a sear 29. The final rotation of the assembly, engages trigger 32 with a support member 33 to release the knife. The blade 5 is arranged with its cutting edge obtusely to the cut, to prevent trapping the tape against the side 8 of the tube 7 and the stroke is limited by a pin 40. A spring 39 returns all members to their initial positions in readiness for the next cut.</p> |
