Abstract: A pump assembly for use with an open end volumetric container having at least a vertical portion which defines a height of the volumetric container. The pump assembly includes a substantially hollow body portion having first and second ends. A plunger member extends slidably through the first end. An inlet valve is adjacent to the second end and opens into the body. An outlet valve opening out from the body is also provided. The assembly also includes an assembly for mounting the pump assembly on the container vertical portion with the body second end positioned within the volumetric container.

Abstract: An automatic disarming device for use with a portable personal protection apparatus in which the device disarms when taken from an authorized user thereby rendering the device ineffective or inoperative when turned against the authorized user. The automatic disarming device includes a housing supporting the personal protection apparatus, an operating mechanism on the housing for actuating the personal protection apparatus, and a removable arming member which renders the operating mechanism inoperative or ineffective when the arming member is separated from the housing.