Metal working – Means to assemble or disassemble – Spring applier or remover
Patent
1983-02-23
1984-12-11
Jones, Jr., James L.
Metal working
Means to assemble or disassemble
Spring applier or remover
254 105, B23P 1904
Patent
active
044869355
ABSTRACT:
A coil spring compressor adapted for use in the assembly of automotive suspension systems, particularly, of the MacPherson type. The coil spring compressor includes a head plate movable vertically with respect to a base on which a MacPherson strut forming part of the suspension system to be assembled is held in position. A clamp carriage having a frontal opening is mounted to the head plate for vertical sliding movement relative to the head plate to adjust the vertical position of the clamp carriage. The clamp carriage is provided with four clamping arms, each of which is pivoted at its outer end to the carriage and has at its inner end a clamping hook engageable with the selected turn of the coil spring. Two clamping arms forming a pair are arranged along a side of the frontal opening and two clamping arms forming another pair are arranged along the opposite side thereof, the front and rear clamping arms in each pair being interconnected with each other so as to swing conjointly. A pair of operating handles are connected to the front clamping arms. One of the clamping arms in one pair is interconnected with one of the clamping arms in the other pair by way of a linkage so that on actuating any one of the operating handles all the four clamping arms are swung in concert with an equal angular movement toward and away from the coil spring to be compressed, whereby the coil spring is automatically centered with respect to the center of the strut.
REFERENCES:
patent: 4009867 (1977-03-01), Diffenderfer
patent: 4295634 (1981-10-01), Spainhour et al.
patent: 4395020 (1983-07-01), Spainhour
56-109826; 1981; Japanese Utility Model Pub.
57-1630; 1/6/82; Japanese Pat. Pub.
Jones Jr. James L.
Toyota Jidosha & Kabushiki Kaisha
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