An assembly comprising a housing with a balancing spring break protection mechanism for a door system such as a sectional door system and a door system including the assembly

An assembly (1) comprising a housing with a balancing spring break protection mechanism, said assembly (1) being configured for connecting a connector (15, 42), such as a bayonet connector, of a balancing spring of a sectional door system to said assembly,

• said housing being for connection with a fixed structure and comprising:
• a first housing plate (5) comprising:
• an opening (16) for receiving a balancing axle (60) of said sectional door system, said balancing axle (60) being connected to said balancing spring, and
• an aperture (11) for receiving said connector (15, 42),
• said spring break protection mechanism comprising:
• a bearing and ratchet wheel unit (4, 7), said ratchet wheel (4) including a shaft (50) for receiving said balancing axle (60), said shaft (50) being connectable with said balancing axle (60) for rotation therewith,
• a pawl (2) pivotably journaled inside said housing, said pawl (2) being pivotable between a first position in which the ratchet wheel (4) is free-running and a second position in which a pin (8a) of the pawl (2) engages the ratchet wheel (4);
• wherein if said connector (15, 42) is rotated said pawl (2) moves into said second position for said engagement with said ratchet wheel (4) so as to limit or prevent rotation thereof, characterised in said housing further comprising:
• a second housing plate (6) arranged opposite said first housing plate (5) and connected therewith,
• said second housing plate (6) comprising an opening receiving said shaft (50), said ratchet wheel (4) being between said first and second housing plates (5, 6),
• said pin (8a) of said pawl (2) having a pin head (8) extending through a first pin head (8) opening (20) in said first housing plate (5) and/or in said second housing plate (6).