JPH0271137U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の第１実施例を示す要部断面側
面図、第２図は第１図―線断面矢視図、第３
図は第１図―線断面矢視図、第４図はロータ
リ耕耘機の全体側面図、第５図は第２実施例を示
す要部断面側面図、第６図は第５図―線断面
矢視図、第７図は従来例を示す要部断面側面図で
ある。 ３０……ロツド、３２……コイルバネ、３４…
…摺動部、３５……操作レバー部、３６……収納
凹部、３７……付勢バネ、３８……係止体、４１
……係止凹部、４２……位置調整機構。 Fig. 1 is a cross-sectional side view of essential parts showing the first embodiment of the present invention, Fig. 2 is a cross-sectional view along the line shown in Fig. 1, and Fig. 3
The figures are Fig. 1 - a cross-sectional view taken along the line, Fig. 4 is an overall side view of the rotary cultivator, Fig. 5 is a cross-sectional side view of main parts showing the second embodiment, and Fig. 6 is a cross-sectional view taken from Fig. 5 - a line cross-section. The arrow view and FIG. 7 are main part sectional side views showing a conventional example. 30...rod, 32...coil spring, 34...
...Sliding part, 35... Operation lever part, 36... Storage recess, 37... Biasing spring, 38... Locking body, 41
...Latching recess, 42...Position adjustment mechanism.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 円柱状ロツド３０にコイルバネ３２が套嵌され
ると共に、コイルバネ３２の端部を支承する位置
調整機構４２が備えられ、位置調整機構４２はロ
ツド３０の長手方向に沿つて移動自在に套嵌され
た摺動部３４と、摺動部３４より外方に突設され
た操作レバー部３５と、操作レバー部３５に形成
された収納凹部３６より摺動部３４内面側に出退
自在に突出してロツド３０の外周面にその長手方
向に間隔を有して形成された係止凹部４１に係脱
自在に係合する係止体３８と、係止体３８を突出
方向に付勢する付勢バネ３７とを備えてなり、ロ
ツド３０の軸心回りの操作レバー部３５の回動操
作により係止体３８が係止凹部４１より離脱可能
とされたバネ圧調整装置において、前記係止凹部
４１がロツド３０の長手方向と直交する方向の角
溝状とされ、係止体３８は係止凹部４１に嵌入す
る柱状とされてなることを特徴とするバネ圧調整
装置。 A coil spring 32 is fitted onto the cylindrical rod 30, and a position adjustment mechanism 42 for supporting the end of the coil spring 32 is provided, and the position adjustment mechanism 42 is fitted onto the rod 30 so as to be movable along the longitudinal direction. A sliding portion 34, an operating lever portion 35 projecting outward from the sliding portion 34, and a rod protruding freely toward the inner surface of the sliding portion 34 from a storage recess 36 formed in the operating lever portion 35. a locking body 38 that removably engages with locking recesses 41 formed on the outer circumferential surface of the housing 30 at intervals in the longitudinal direction; and a biasing spring 37 that biases the locking body 38 in the projecting direction. In the spring pressure adjusting device, the locking body 38 can be detached from the locking recess 41 by rotating the operating lever portion 35 about the axis of the rod 30. 30 has a rectangular groove shape in a direction perpendicular to the longitudinal direction thereof, and the locking body 38 has a column shape that fits into a locking recess 41.