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PCE
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DIFF Subgroup
F16B 39/32

Locking by means of a pawl or pawl-like tongue

Introduced: September 1968

Full Title

Full titles differ between systems:

IPC:

Locking of screws, bolts, or nuts > in which the locking takes place during screwing down or tightening > by special members on, or shape of, the nut or bolt > Locking by means of a pawl or pawl-like tongue

CPC:

Locking of screws, bolts or nuts (; locking of bottle closures B65D; locking of rail-fastening bolts for permanent ways E01B9/12; locking of fastening means for railway fishplates E01B11/38; locking devices for valves or cocks F16K) > in which the locking takes place during screwing down or tightening (F16B39/01 takes precedence) > by special members on, or shape of, the nut or bolt (F16B39/26 takes precedence; locknuts F16B39/12) > Locking by means of a pawl or pawl-like tongue

No child classifications to compare. This is a leaf node in both IPC and CPC.