Claims
- 1. In a blow molding machine, a pair of mold holders adapted to have mounted therein mold halves of a mold unit, and means for selectively latching and unlatching said mold holders including at least two locking bolts carried by one of said mold holders at opposite sides thereof, and complementary nuts carried by the other of said mold holders, said locking bolts and said nuts each being formed with partial circumferential thread portions wherein said locking bolts and nuts are first engaged during movement of said mold holders when said respective thread portions of said bolts and nuts are out of alignment with one another and then locked by a partial relative turn of said bolts and nuts effecting complete intermeshing of said thread portions, said partial relative turn being obtained by a cam actuated linkage for simultaneously rotating said bolts, said linkage comprising a shaft portion at one end of each of said bolts and each shaft portion having fixedly secured thereon a lever with said levers being joined by a link, one of said shaft portions being provided with an actuating lever or crank which carries a cam follower for actuation by fixed cams so that said bolts are rotated in unison.
Parent Case Info
This is a division of application Ser. No. 103,690 filed Dec. 14, 1979 now U.S. Pat. No. 4,650,412.
US Referenced Citations (12)
Foreign Referenced Citations (2)
Number |
Date |
Country |
2813749 |
Oct 1978 |
DEX |
563016 |
Jul 1944 |
GBX |
Divisions (1)
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Number |
Date |
Country |
Parent |
103690 |
Dec 1979 |
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