Rotary joint, particularly to suspend heavy metal weights from a

Details Rotary joint, particularly to suspend heavy metal weights from a Rotary joint, particularly to suspend heavy metal weights from a

1977-06-08

1979-02-13

Engle, Samuel W.

Illumination

Supports

Ceiling-suspended support

248278, 248325, 362427, 362804, F21S 104, F21S 302, A61B 106

Patent

active

041398831

ABSTRACT:
A pivot support element is fixed in position to extend essentially vertically, and carries a horizontally projecting pivot pin. The movable pivotable member on which the weight is suspended is pivoted and connected to the pin by means of a plate-like pivot rod secured laterally to the pivotable member, so that the pivot pin will form the pivot axis for the plate-like element. The pivot pin additionally has fixedly attached thereto a link element, such as a short plate-like member to which a balance rod is pivotally attached which is connected with an intervening spring, typically a compression spring, to the weight-supporting member. Two plate-like pivot rods may be used, one on either side of the support member to provide for balanced attachment. The entire assembly is readily encapsulated in shell-like housing halves, to be essentially dust and contamination-proof, with minimum handling in assembly, or for cleaning and maintenance.

REFERENCES:
patent: 1963278 (1934-06-01), Pieper
patent: 2076446 (1937-04-01), Carwardine
patent: 2547532 (1951-04-01), Mendelsohn
patent: 2608367 (1952-08-01), Boltuch
patent: 2919098 (1959-12-01), Mull
patent: 3240925 (1966-03-01), Paschke
patent: 3584793 (1971-06-01), Ilzig
patent: 3820752 (1974-06-01), Oram

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