about the looptaker axis toward a position of engagement with a stop by a continuously engaging light force applying resilient member and a shock absorber is disposed for engagement with the bobbin case only upon movement thereof through a predetermined distance in opposition to the bias of said resilient member application_number US 63966084 A description referring to fig1 and 3 of the drawings reference character 10 designates a sewing machine bed with an upwardly open compartment 12 for a looptaker 14 compartment 12 is formed with a lower and upper shelf 15 and 16 respectively the upper shelf accommodates a slide plate cover 18 and a throat plate not shown compartment 12 also accommodates a feed dog 20 of a conventional drop mechanism which may be opposed by a conventional presser foot 22 mounted in a bracket arm not shown of the sewing machine along with a needle 24 to which endwise reciprocating motion may be imparted in the usual manner looptaker 14 includes a shaft 26 which is journalled for rotation about vertical axis 28 in a bushing 30 secured by a set screw 32 in a boss 34 depending from the bottom wall 36 of compartment 12 as shown the looptaker includes a cup shaped body portion 38 with a flat bottom 40.