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BRAKING SHUTTLE BOX

  • US 3,696,844 A
  • Filed: 11/04/1969
  • Issued: 10/10/1972
  • Est. Priority Date: 11/05/1968
  • Status: Expired due to Term
First Claim
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1. Braking shuttle box comprising a supporting body including a brake wall;

  • leaf spring means located opposite said brake wall and forming with the same a brake channel having an inlet for a shuttle;

    mounting means mounting the ends of said leaf spring means in said supporting body so that said leaf spring means is curved and convex toward said brake wall;

    first and second energy absorbing means mounted in said supporting body on the side of said leaf spring means remote from said brake channel, said first energy absorbing means being closer to said inlet than said second energy absorbing means, said first energy absorbing means including first movable body means having greAt mass and inertia, and first spring means biasing said first movable body means into engagement with said leaf spring means for urging the same into said brake channel, and said second energy absorbing means including second movable body means having small mass and inertia, and second spring means mounted in said supporting body and biasing said second movable body means into engagement with said leaf spring means so that a shuttle entering said brake channel through said inlet transfers kinetic energy through said leaf spring means to said first movable body means so that the same is thrown away from said leaf spring means and compresses said first spring means which absorbs energy, whereupon kinetic energy remaining in said shuttle is transmitted through said leaf spring means and said second movable body means to said second spring means and absorbed by the same.

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