Supports – Suspended supports – Releasable for lowering
Patent
1980-02-04
1982-06-01
Kee Chi, James
Supports
Suspended supports
Releasable for lowering
248327, 248336, 362418, 403108, F16L 312, F21S 102
Patent
active
043323634
ABSTRACT:
An adjustable support device for appliances being comprised of a housing with top and bottom aligned openings therethrough and which is attached to a support member by a clamp mechanism. An elongated support member or tubing which is provided with a plurality of aligned openings one side thereof passing through the opening of the housing and is in contact within the housing with a pair of upper opposed rollers and a lower roller being in contact with only one side of the member. A locking mechanism is pivotally mounted within the housing and is co-operable with the openings in the elongated support member and is provided with a guide device, such as a roller, which extends outward therefrom and is in contact with the support member. The lower opening in the housing is elongated towards the locking mechanism whereby when the support is in the aligned vertical position upward vertical movement is allowed and downward vertical movement is prevented and when the elongated support member is canted from the vertical position towards the locking mechanism, the guide mechanism displaces the locking mechanism to allow both upward and downward vertical movement of the elongated support member.
REFERENCES:
patent: 146104 (1873-12-01), Staehlen
patent: 285963 (1883-10-01), Brannen
patent: 724615 (1903-04-01), Rockwell et al.
patent: 971899 (1910-10-01), Kennedy
patent: 3831894 (1974-08-01), Newton et al.
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