Fire escape – ladder – or scaffold – Torso harness – Strand-engaging – with descent retarder
Patent
1998-02-26
2000-04-18
Chin-Shue, Alvin
Fire escape, ladder, or scaffold
Torso harness
Strand-engaging, with descent retarder
A62B 3500
Patent
active
060503645
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a sit harness or roping harness comprising: user's waist, webbing shaped as an inverted V, of the belt, said closed ring being arranged to assemble the leg loop module to the belt and to act at the same time as attachment part for a carabiner.
Known roping sit harnesses of the kind referred to comprise a link ring formed by a single closed loop, through which the belt passes at the top and the link webbing at the bottom. The use of such a loop renders any adjustment by the user of the positioning of the leg loops with respect to the belt impossible. However the distance from the crotch to the waist varies according to the sex. It is in fact larger in women. The manufacturer has, for the same model, to provide several ranges of sizes according to the morphology and sex of the users. Leg loops for men of different sizes (small, medium, large) are thus to be found, as well as leg loops for women also of different sizes. Marketing such a range involves high production costs for the manufacturer and high stocking costs for wholesalers.
The document FR-A-2,649,618 describes a sit harness with an adjustable belt, wherein the front part of the leg loops is sewn onto the ventral strap of the belt by W-shaped webbings. The attachment ring is secured to the belt by a seam. There is no possibility of adjusting the heightwise positioning of the leg loops with respect to the belt according to the distance between the user's crotch and waist.
The document EP-A-0,477,110 refers to a sit harness for rock climbing having a closed securing ring, but not provided with height adjustment means.
SUMMARY OF THE INVENTION
The object of the invention is to achieve an adjustable roping sit harness providing optimum comfort regardless of the morphology and sex of the user.
The sit harness according to the invention is characterized in that the securing ring comprises in addition means for adjusting the heightwise positioning of the link webbing to adjust the leg loop module with respect to the belt according to the distance between the user's crotch and waist.
The positioning of the leg loops with respect to the belt can thus be adjusted while keeping the level of fixing of the attachment carabiner in the upper part of the closed ring.
According to a first embodiment, the height adjustment means are formed by at least one intermediate strand subdividing the inside of the ring into superposed openings arranged one above the other. The intermediate strand is sewn onto the opposite side faces of the webbing constituting the closed ring and extends orthogonally with respect to the ventral part of the belt passing through said ring.
According to a second embodiment, the height adjustment means are formed by at least two closed securing rings presenting different sizes.
The central part of the link webbing is advantageously provided with an auxiliary webbing with a clasp designed to achieve balanced centering of the leg loop module with respect to the ring.
BRIEF DESCRIPTION OF THE DRAWINGS
Other advantages and features of the invention will become more clearly apparent from the following description of an embodiment thereof, given as a non-restrictive example only, and represented in the accompanying drawings, in which:
FIG. 1 is a perspective view of an adjustable sit harness according to the invention;
FIGS. 2 and 3 show partial views of FIG. 1, respectively in the lower position and in the upper position of the leg loop module, the auxiliary webbing not being represented;
FIG. 4 is a partial view of FIG. 2 of an alternative embodiment.
DETAILED DESCRIPTION
With reference to FIG. 1, a sit harness 10 or roping harness comprises a pair of leg loops 12, 14 associated to a belt 16 which is equipped with a closing device 18 or clasp fixed to one of the ends of the belt 16. The closing device 18 is arranged on the lateral side and cooperates with the opposite end of the belt 16 for the purposes of adjusting the circumference to fit the user's waist.
The belt 16 and leg loops 12, 14 are made from a flexible ma
REFERENCES:
patent: 2979028 (1961-04-01), Zakely
patent: 3869021 (1975-03-01), Sutherland
patent: 5615750 (1997-04-01), Phillips
Petzl Paul
Popall Peter
Chin-Shue Alvin
Zedel
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