US 7,536,797 B2
Spirit level
Markus Steffens, Winnweiler (Germany); and Gabriel Kallabis, Spirkelbach (Germany)
Assigned to Stabila Messgerate Gustav Ullrich GmbH, Annweiler am Trifels (Germany)
Appl. No. 10/597,643
PCT Filed Mar. 11, 2005, PCT No. PCT/EP2005/002607
§ 371(c)(1), (2), (4) Date Aug. 02, 2006,
PCT Pub. No. WO2005/088256, PCT Pub. Date Sep. 22, 2005.
Claims priority of application No. 10 2004 012 585 (DE), filed on Mar. 12, 2004; and application No. 20 2004 006 643 U (DE), filed on Apr. 27, 2004.
Prior Publication US 2008/0216332 A1, Sep. 11, 2008
Int. Cl. G01C 9/24 (2006.01)
U.S. Cl. 33—365  [33/379] 16 Claims
OG exemplary drawing
 
1. A level comprising a level body produced by injection molding a thermoplastic material, said body having at least one recess for constructed and arranged for receiving a position sensor, and a reinforcing insert which is overmolded at least in areas with thermoplastic material, is made of fiber-reinforced plastic and is materially connected with the level body at least in some areas.