Setting tool
AssigneeHilti Aktiengesellschaft
InventorUlrich Rosenbaum
Life of this patent
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Abstract
A fluid-fuel-operated setting tool for driving in fastening elements and including comprising a housing (11) with a combustion chamber provided therein for combusting fluid fuel, with a released energy of combustion of the fluid being used for driving in a fastening element, and a reservoir (20, 20′, 22″) for storing the fluid fuel and attached to the tool housing and having, in a direction parallel to its longitudinal axis (22), a jacket (21) shape and habit of which are defined by inscribed and circumscribing, substantially similar, substantially circular envelopes (211, 212), with the circumscribing envelope having a size of the circumference of its envelope greater than the size of the circumference of the inscribed envelope.
Claims10
A fluid fuel-operated setting tool for driving in fastening elements, comprising a housing (11) with a combustion chamber provided therein for combusting fluid fuel, with a released energy of combustion of the fluid fuel being used for driving in a fastening element;
- a reservoir (20, 20′, 22″) for storing the fluid fuel and from which the fluid fuel is fed to the combustion chamber;
- and means (17, 27) for attaching the fuel reservoir (20, 20′, 22″) to the housing (20),
- wherein the fuel reservoir (20, 20′, 22″) has, in a direction parallel to a longitudinal axis (22) thereof, a jacket (21) shape and habit of which is defined by inscribed and circumscribing, substantially similar, substantially circular envelopes (211, 212);
- and
- wherein the fuel reservoir (20, 20′, 22″) is formed so that in a direction perpendicular to the longitudinal axis (22) of the fuel reservoir (20, 20′, 22″), the fuel reservoir-defining, inscribed and circumscribing, substantially similar, circular envelopes (211, 212) stay to each other in a following relationship:
- Ucircumscribing envelope>Uinscribed envelope;
- where Ucircumscribing envelope is a size of circumference of a circumscribing envelope, and
- Uinscribed envelope is a size of a circumference of the inscribed envelope.
Dependencies are inferred from the claim text.