IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0951084
(1978-10-13)
|
우선권정보 |
SE-0012242 (1977-10-31) |
발명자
/ 주소 |
- Sunesson Sigvard B. (Angered SEX)
|
출원인 / 주소 |
- Goteborgs Bandvaveri AB (Angered SEX 03)
|
인용정보 |
피인용 횟수 :
52 인용 특허 :
1 |
초록
▼
A two-arm tensioning device is used to tighten and to lock load-fastening belts. The arms are pivotally mounted about a reel drum on which are mounted toothed discs which turn with the drum. Upon pivoting of the first arm the belt is wound onto the reel drum by the engagement of a first catch on the
A two-arm tensioning device is used to tighten and to lock load-fastening belts. The arms are pivotally mounted about a reel drum on which are mounted toothed discs which turn with the drum. Upon pivoting of the first arm the belt is wound onto the reel drum by the engagement of a first catch on the first arm with the teeth of the discs. A second catch on the second arm is provided to prevent, through its engagement with the disc teeth, turning movement of the drum in the opposite direction. The second arm includes a locking member arranged to releasably engage the first catch to prevent unintentional pivoting of the first arm after tightening of the belt. A special safety catch in the form of a projection is provided on the first arm to releasably retain the second catch in engagement with the disc teeth.
대표청구항
▼
An improved device for tightening and locking belts, such as slings, load-fastening belts and the like, comprising a reel drum on which said belt is wound, a number of disc-like members on said drum so as to rotate therewith, said disc-like members provided with peripheral teeth, a first, radially e
An improved device for tightening and locking belts, such as slings, load-fastening belts and the like, comprising a reel drum on which said belt is wound, a number of disc-like members on said drum so as to rotate therewith, said disc-like members provided with peripheral teeth, a first, radially extending tooth face on each one of said teeth, and a second face on each one of said teeth, said second face being inclined relative to and extending transversely of the disc-like member radius, a first operating arm mounted on said drum and pivotable between a first and a second end position, a first catch means on said arm, guide means in said operating arm, said first catch means arranged in said guide means, said first catch means being spring-loaded in order to be urged into engagement between said disc-like member teeth, and arranged to be displaced out of engagement with said teeth, a second arm having one end thereof mounted on said drum, a second catch means provided on said second arm, guide means in said second arm, said second catch means arranged in said guide means and being spring-loaded in order to engage said disc-like member teeth, the arrangement being such that said first catch mean, upon pivotal movement of said operating arm from the first toward the second end position to wind said belt onto said reel drum, is brought into engagemeent with one said radial first tooth face, thus effecting turning of said reel drum, and such that said second catch means slides on said inclined second tooth faces of said disc-like member teeth and, upon its movement past one of said teeth, snaps down behind the radial first face of said tooth, thus preventing said toothed disc-like members from being turned in the opposite direction, said first operating arm being arranged, after having been pivoted to its opposite second end position for the purpose of effecting continued winding-on of said belt, to be first re-set to its first end position, wherein said first catch means is arranged to slide over said inclined tooth faces of said teeth, while at the same time said drum and said toothed disc-like members are retained in position by said second catch means and, in order to release said drum, said operating arm is arranged, upon the disengagement of said first catch means against the action of said spring bias, to be pivoted past its second end position past a stop member on said second arm, whereby said second catch means, upon the pivotal movement of said operating arm past said stop member, is arranged to slide along a guide face on said operating arm and, against the action of said spring bias, to be forced out of its engagement with said disc-like member teeth to a position, wherein said operating arm may be locked by the engagement of said first catch means in a groove means on said second arm, the improvement comprising a projecting locking member on the one end of said second arm, said first operating arm arranged to be pivoted in the direction opposite to the direction from the first to the second position thereof into a locked position past its first end position, in which locked position said first catch means of said first operating arm catches behind said locking member, said locking member arranged to prevent said operating arm from being pivoted from its locked position, whereby said operating arm may be pivoted from said locked position past said locking member only after actuation of said first catch means against the spring-loaded action of said first catch means so as to move the latter out of its position of engagement.
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