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US 12,751,538 B2Granted
Backpack device
AssigneeHilti Aktiengesellschaft
InventorsAndreas Janecke, Johannes Hammers
Life of this patent
Estimating the term…
Abstract
A backpack device having a harness unit and a battery pack receptacle, fastened thereto, for receiving a battery pack for supplying a hand-held electrical device with energy, wherein the harness unit has a strap adjusting device via which a shoulder strap of the harness unit can be adjusted such that the battery pack receptacle can be moved from a back position into a waist position, wherein the shoulder strap remains, at least partially, on a shoulder of the user with a load-transferring effect.
Claims20
A backpack device comprising:
- a harness unit;
- a battery pack receptacle fastened to the harness unit for receiving a battery pack for supplying a hand-held electrical device with energy;
- the harness unit having a strap adjuster, a shoulder strap of the harness unit adjustable via the strap adjuster such that the battery pack receptacle is moveable from a back position into a waist position where the shoulder strap remains, at least partially, on a shoulder of the user with a load-transferring effect,
- the strap adjuster being in the form of a safety clasp incorporated into the shoulder strap,
- the backpack device remaining free of the battery pack receptacle in a top third, in relation to the total length of the backpack device.
2 more elements
A backpack device comprising:
- a harness unit;
- a battery pack receptacle fastened to the harness unit for receiving a battery pack for supplying a hand-held electrical device with energy;
- the harness unit having a strap adjuster, a shoulder strap of the harness unit adjustable via the strap adjuster such that the battery pack receptacle is moveable from a back position into a waist position where the shoulder strap remains, at least partially, on a shoulder of the user with a load-transferring effect,
- the battery pack receptacle having a main battery pack receptacle, the battery pack coupleable both electrically and mechanically to the main battery pack receptacle,
- the battery pack receptacle having a secondary battery pack receptacle, the battery pack coupleable only mechanically to the secondary battery pack receptacle,
- the secondary battery pack receptacle having a holding rail extending parallel to a longitudinal direction of the backpack device.
3 more elements
Dependencies are inferred from the claim text.