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PCE
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DIFF Subgroup
F16B 39/24

by means of washers, spring washers, or resilient plates that lock against the object (locking to the screw-thread F16B39/14 , F16B39/36)

Introduced: September 1968

Title

Titles differ between systems:

IPC: by means of washers, spring washers, or resilient plates that lock against the object

CPC: by means of washers, spring washers, or resilient plates that lock against the object (locking to the screw-thread F16B39/14 , F16B39/36)

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 means of washers, spring washers, or resilient plates that lock against the object

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 means of washers, spring washers, or resilient plates that lock against the object (locking to the screw-thread F16B39/14 , F16B39/36)

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

Child Classifications

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  • F16B 39/26 with spring washers fastened to the nut or bolt-head IPC+CPC Available in IPC and CPC