Spring devices – Fluid – Expansible-contractible chamber device
Patent
1988-03-08
1989-04-25
Butler, Douglas C.
Spring devices
Fluid
Expansible-contractible chamber device
188300, 18832111, 267 6412, 296 76, 292338, F16F 500, F16F 932
Patent
active
048240826
ABSTRACT:
An add-on mechanical support assembly is used for supporting failed gas struts or as a safety device in combination with operational gas struts. The support assembly includes a generally tubular support having a slot extending lengthwise. The tubular support has different lengths on different sides. An upper end on a shorter side is used for engaging part of the cylinder of a gas strut in order to block the gas strut from retraction. An upper end of the longer side provides a thumb tab area such that one may push the support out of its blocking position without placing ones hand or fingers in a position where one might be pinched by the retraction of the piston rod of the gas strut to within the gas cylinder. A slotted tab extends downwardly from the bottom of the support and allows a screw to attach a locking block or collar with split ends to the piston rod of the gas strut. Breakaway sections are used on the support to allow adjustment for different lengths.
REFERENCES:
patent: 3883126 (1975-05-01), Nicholls
patent: 4070050 (1978-01-01), Glock et al.
patent: 4078779 (1978-03-01), Molders
patent: 4155433 (1979-05-01), Porter
patent: 4261446 (1981-04-01), Bolger
patent: 4449702 (1984-05-01), Hasegawa
patent: 4557470 (1985-12-01), Link
patent: 4596383 (1986-06-01), Howard
patent: 4634170 (1987-01-01), Lach
patent: 4723765 (1988-02-01), Pearson
patent: 4744548 (1988-05-01), Hathaway
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