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US 6,418,628 B1Granted
Spring-loaded car window breaker and retractable safety sheath
AssigneeTask Force Tips, Inc.
InventorRobert W. Steingass
Life of this patent
Estimating the term…
Abstract
A multipurpose tool for use by firefighters and emergency personnel. The tool including a spanner wrench claw for turning firefighting hose connections, a wrench slot for turning natural gas valves, a glass-breaking spike, an open slot cutter for cutting seat belts and the like, and a foldable handle having an end shaped to be used as a pry bar. The tool may also be a spring-loaded glass breaker with a safety shield and another tool such as a seat belt cutter.
Claims1
A glass breaking apparatus comprising:
- a housing;
- a safety sheath slidably disposed in the housing;
- a sleeve disposed in the housing for movement with the housing along an axis;
- a spike shaft disposed in the sleeve;
- a spike shaft spring in biasing engagement with the spike shaft toward a cocked position;
- a hammer disposed in the housing and releasably engaged to the spike shaft in a cocked position;
- a hammer spring in biasing engagement with the hammer for movement of the hammer from a cocked position to a break position;
- and
- a glass-breaking spike supported by the spike shaft, shielded by the safety sheath, and disposed to be impacted by the hammer when the hammer moves from a cocked position to a break position;
- wherein the housing is moved toward a glass pane to compress the hammer spring until the spike shaft is disengaged from the hammer to release the hammer and the glass-breaking spike to break glass.
7 more elements
Dependencies are inferred from the claim text.