MACHOIRE AVANT
PCT No. PCT/EP89/01131 Sec. 371 Date Jun. 6, 1990 Sec. 102(e) Date Jun. 6, 1990 PCT Filed Sep. 27, 1989 PCT Pub. No. WO90/03830 PCT Pub. Date Apr. 19, 1990.A front jaw having two laterally spaced toggle levers which can be swung out against the force of a release spring housed in a housing and throu...
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Zusammenfassung: | PCT No. PCT/EP89/01131 Sec. 371 Date Jun. 6, 1990 Sec. 102(e) Date Jun. 6, 1990 PCT Filed Sep. 27, 1989 PCT Pub. No. WO90/03830 PCT Pub. Date Apr. 19, 1990.A front jaw having two laterally spaced toggle levers which can be swung out against the force of a release spring housed in a housing and through which housing extends a pull rod. In order to cause in this front jaw during a backward twisting fall an initial tension of the release spring and thus a reduction in the work of the swinging-out toggle lever, the invention provides that the two shorter lever arms of the toggle levers are loaded by a release spring acting through a pull rod onto an angular intermediate lever supported in the lower area of the housing on a first pivot axle. |
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