Sig Schweizerische Industrie-gesellschaft

Alois Bernet

Eduard Brodbeck

A hand weapon includes a weapon housing, a breechblock accommodated in the housing for reciprocating motion, a bolt affixed to the breechblock and a slot, having opposite longitudinal edges, provided in the weapon housing. The bolt projects through the slot. There is further provided a slot guard arranged for covering the slot. The slot guard comprises a first and a second sealing lip held by the housing along respective longitudinal edges of the slot and projecting outwardly. The sealing lips are, at least along outer edge portions thereof, in a face-to-face engagement with one another and are locally spread apart by the bolt.

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Neuhausen am Rheinfall, Switzerland

Alois Bernet