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US 4,041,576 AGranted
Attachment device
OwnerCarl T. Larsoninventor
Life of this patent
Estimating the term…
Abstract
A device having an elongated member, a head having a passage for receiving one end of the member and means coupling the head with the opposite end of the member with the latter being movable into and out of the head. The head has improved means to releasably lock the end of the member therein, such means including a pair of relatively shiftable members normally in engagement with each other and movable apart to present an access passage therebetween. A number of embodiments of the device are disclosed.
Claims7
An attachment device comprising:
- an elongated member;
- a bar;
- means interconnecting one end of the member and one end of the bar and permitting said member to be moved toward and away from the bar;
- a head having a pair of spaced sides and being secured to the opposite end of the bar, said head having a passage thereinto for permitting the opposite end of the member to move into said head, said passage having an entrance;
- and a pair of relatively shiftable elements extending into the head from respective sides and between the latter, one of the elements having a pair of spaced extremities thereon, the other element having a surface and being biased into engagement with the extremities of said one element for yieldable closing said passage.
2 more elements
An attachment device comprising:
- an elongated member;
- a bar;
- means interconnecting one end of the member and one end of the bar and permitting said member to be moved toward and away from the bar;
- a head having a pair of spaced sides and being secured to the opposite end of the bar, said head having a passage thereinto for permitting the opposite end of the member to move into said head, said passage having an entrance, said head further having an end face, said member having a lateral projection on the opposite end thereof, said projection being contiguous to said end face externally of the head and capable of abutting said end face;
- and a pair of relatively shiftable elements extending into the head from respective sides and between the latter, one of the elements being biased into engagement with the other element for yieldably closing said passage.
2 more elements
An attachment device comprising:
- an elongated member;
- a bar;
- means interconnecting one end of the member and one end of the bar and permitting said member to be moved toward and away from the bar;
- a head having a pair of spaced sides and being secured to the opposite end of the bar, said head having a passage thereinto for permitting the opposite end of the member to move into said head, said passage having an entrance;
- and a pair of relatively shiftable elements extending into the head from respective sides and between the latter, one of the elements being an abutment having a recess in the outer end thereof, the other element including spring structure coupled to the other side and normally biased toward, received within and extending through said recess, said structure being movable out of the recess and away from said abutment to open said passage.
2 more elements
Dependencies are inferred from the claim text.