Patent ID: 11919142
Assignee: nan
Field: Machine tools (Mechanical engineering)
Classification: CPC B | IPC B

Claim 2:
3. The tool of claim 1 wherein the second element comprises:
a third arch, having an arch curve interior surface shaped for partially encircling the first finger;
a fourth arch, having an arch curve interior surface shaped for partially encircling said second finger;
wherein the third arch and the fourth arch are connected end-to-end at a second location, with the arch curve interior surface of each arch facing in said second direction B;
a boss having a bore, attached to or integral with the third arch and fourth arch at said second location;, wherein the first element has opposing free ends which comprise an end of the first arch and an end of the second arch;, wherein the first element further comprises a shaft having a length axis extending in direction A from said first location, said shaft configured for slidably moving lengthwise within the bore of the boss of the second element, to enable change in the spacing between the first element and the second element, thereby to define an adjustable size space for each of said first finger and said second finger.