12639
Patent Summary
An image of the patent summary for number 12639.
Name/Title
12639Entry/Object ID
2025.3.282Tags
needs date, british, scissors, shears, fischerDescription
12,639. Fischer, W. July 8. Scissors and shears. -- A uniform pressure between the blades is obtained throughout the cut by means of a spring b, which is attached to the shank a, is eyed over the pivot pin c, and rests upon a cam surface f.Cataloged By
studygroup@scissornet.orgCategory
Patent Summaries