Horizontal oscillating hook · Horizontal rotary hook

Singer drop-in bobbin – the two horizontal hooks

After the “standard domestic” vertical oscillator from Singer 15, the drop-in bobbin horizontal hook is perhaps the next most common concept in domestic sewing machines. Originally introduced in Singer 66 in 1902 as an oscillating hook, it evolved into a rotary version in model 201 that appeared in 1935. Both hooks are found in many…… Continue reading Singer drop-in bobbin – the two horizontal hooks